СПИСОК патентов США - подгруппа МПК16 H04M11/06
|
№ п/п | Номер патента | Название патента | |||
2017 | |||||
1 | 9608838 | Bonded interconnection of local networks | |||
2 | 9602692 | Image processing apparatus which supports multiple sessions including deemed voice facsimile transmission, control method thereof, and storage medium | |||
3 | 9584670 | Method and apparatus for providing data and telephony services | |||
4 | 9584183 | Fault identification using line attenuations | |||
5 | 9584182 | Vectored DSL crosstalk cancellation | |||
6 | 9571662 | POTS telephony over high speed data networks | |||
7 | 9571327 | Method for completing internet telephony calls | |||
8 | 9565294 | Systems, methods, and apparatuses for optimizing DSL line configurations and parameters in a DSL system | |||
9 | 9565048 | Reduced precision vector processing | |||
10 | 9558435 | Communication apparatus being selectively powered by a main power supply or a back-up power supply depending on the operating mode of the communication apparatus | |||
11 | 9549080 | Wi-Fi signaling by cellular devices for coexistence in unlicensed frequency bands | |||
12 | 9537590 | Synchronization of communication equipment | |||
2016 | |||||
13 | 9531866 | Mitigation of disconnect events in vectoring based DSL systems | |||
14 | 9531491 | Communication method, apparatus and system | |||
15 | 9525942 | Mobile apparatus and control method thereof | |||
16 | 9521265 | Multimode multicarrier modem system and method of communication over the same | |||
17 | 9521003 | Multicarrier transmission system with low power sleep mode and rapid-on capability | |||
18 | 9510309 | Codec inversion detection | |||
19 | 9509855 | All digital DSL system migration | |||
20 | 9509518 | Method and apparatus for managing joining events for G.fast vectoring with discontinuous operation | |||
21 | 9503185 | Systems and methods for communications across drop connections | |||
22 | 9497316 | Data communication | |||
23 | 9491283 | Apparatus, systems and methods of common mode based diagnostics | |||
24 | 9490934 | Managing crosstalk in DSL system | |||
25 | 9485137 | Online reconfiguration transition synchronization | |||
26 | 9484984 | Cable-level crosstalk reduction | |||
27 | 9479846 | Low complexity tone/voice discrimination method using a rising edge of a frequency power envelope | |||
28 | 9479223 | Method and apparatus in a communications network | |||
29 | 9473937 | Method, system and receiving terminal for processing information based on dual-tone multi-frequency | |||
30 | 9473339 | Performing upstream symbol alignment under FEXT | |||
31 | 9451114 | Transmission apparatus | |||
32 | 9444516 | Method, apparatus and system for supporting non-vector line | |||
33 | 9438744 | Method and data transmission device for data transmission within an xDSL data transmission system connecting at least two ethernet networks via xDSL links | |||
34 | 9438724 | Notification and troubleshooting of interruptions, failures, and updates | |||
35 | 9432493 | Method and apparatus for detecting missing micro-filter | |||
36 | 9432169 | Systems and methods for power optimized framing | |||
37 | 9432080 | Probing and estimation of cross-coupling | |||
38 | 9426282 | Method and apparatus for transmission line testing | |||
39 | 9426016 | Self track scheme for multi frequency band serializer de-serializer I/O circuits | |||
40 | 9425983 | Method and an interconnecting node for use in an access network | |||
41 | 9413483 | Passive optical network digital subscriber line convergence architecture | |||
42 | 9413325 | Switchless multiband filter architecture | |||
43 | 9407760 | Performance monitoring for discontinuous operation modes | |||
44 | 9407321 | Method for communication and validation of electrical signals | |||
45 | 9402326 | Fixed relocatable wireless device | |||
46 | 9401999 | Methods, systems and products for providing modem functions | |||
47 | 9398146 | System for diagnosing and optimizing vectored DSL lines | |||
48 | 9391834 | Apparatus, systems and methods of common-mode rejection ratio based diagnostics | |||
49 | 9391668 | Method and apparatus for reducing the power of a signal electromagnetically coupled from a PLC medium to a DSL medium | |||
50 | 9386163 | Method and arrangement in a digital subscriber line system | |||
51 | 9379882 | Synchronization and control using out-of-band channels in passive optical network-based systems | |||
52 | 9379770 | Methods and systems for activating and deactivating communication paths | |||
53 | 9378532 | Safety monitoring method and system | |||
54 | 9369404 | Method and multi-carrier transceiver with stored application profiles for supporting multiple applications | |||
55 | 9363469 | Passive-active terminal adapter and method having automatic return loss control | |||
56 | 9363383 | Phone-call triggered system and method for transmitting information via network-enabled server | |||
57 | 9362982 | Method and apparatus for performing multi-symbol rate vectoring | |||
58 | 9362959 | Data processing in a digital subscriber line environment | |||
59 | 9361888 | Method and device for providing speech-to-text encoding and telephony service | |||
60 | 9356653 | Method and arrangement in a DSL vectoring system | |||
61 | 9355538 | System and method for home automation and security | |||
62 | 9350874 | Method of transmitting speech and digital data via an analog speech channel | |||
63 | 9344598 | Email to fax processing system | |||
64 | 9344597 | Email to fax processing system | |||
65 | 9332327 | Systems and methods for scaling DSLAM deployments | |||
66 | 9332094 | Communication system and method | |||
67 | 9331840 | Aligning the upstream DMT symbols of multiple lines in a TDD DSL system | |||
68 | 9325877 | Email to fax processing system | |||
69 | 9313329 | Voice response systems browsing | |||
70 | 9313137 | Method and arrangement for the power management of a digital communication line | |||
71 | 9312975 | Method and system for initiating bi-directional communication in a time-division duplex communication system | |||
72 | 9312916 | Method and device for testing subscriber premises equipment | |||
73 | 9307081 | Teletypewriter (TTY) for communicating pre-stored emergency messages to public safety answering points (PSAPs) | |||
74 | 9306807 | Adaptive protocol/initialization technique selection | |||
75 | 9306733 | Method of synchronizing a communication system | |||
76 | 9300796 | Telecommunications device for the deaf (TDD) interface for interactive voice response (IVR) systems | |||
77 | 9300788 | Apparatus and control method for the same | |||
78 | 9300525 | Method and system to identify a source of signal impairment | |||
79 | 9300358 | Method and device for identifying crosstalk | |||
80 | 9288335 | Method and system for a flexible low power mode | |||
81 | 9288308 | Method for terminating an operation of a CPE device, and respective CPE device using the method | |||
82 | 9288032 | Dynamic frame structure for synchronous time-division duplexing digital subscriber lines | |||
83 | 9288008 | Systems and methods for equalizing retransmission delays for data retransmission over bonded modems | |||
84 | 9287928 | Method and apparatus for adding a communication connection to a vectored group | |||
85 | 9271096 | Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system | |||
86 | 9270831 | Systems and methods for G.vector initialization | |||
87 | 9270813 | Pre-installation frequency domain premises wiring tests | |||
88 | 9270332 | Method for testing a component of a vectoring system and line termination equipment configured to carry out said method | |||
89 | 9270331 | Method and system for detecting non-linear devices | |||
90 | 9264551 | Collaborating with a caller by internet sites | |||
91 | 9264166 | Method and device for processing data and communication system comprising such device | |||
92 | 9258411 | Forensic diagnostic capability including G.inp | |||
93 | 9257828 | Three-pole lightning arrestor integrated into a residential gateway with lightning impact detector | |||
94 | 9247328 | Systems and methods for moving DSL launch points | |||
95 | 9247069 | Modem call forwarding and three-way calling features for VoIP applications | |||
96 | 9241215 | Mobile apparatus and control method thereof | |||
97 | 9241077 | Method and apparatus for DSL performance enhancement in a DSL network | |||
98 | 9232376 | Concurrent voice and data service on a same digital radio channel | |||
99 | 9232074 | Device for access to the internet via a mobile communication network | |||
100 | 9232073 | Method for initiating a non-standard mode for an xDSL transmission system and residential gateway using the method | |||
2015 | |||||
101 | 9226123 | Limiting processing of calls as text telephony calls | |||
102 | 9225844 | Modem signaling using a multitone prefix over a voice channel of a wireless communication system | |||
103 | 9225826 | Method, apparatus and system for compatibility with VDSL2 legacy customer premises equipment | |||
104 | 9219814 | Communication apparatus and control method therefor | |||
105 | 9219457 | Receiver device and method for controlling amplification factor thereof | |||
106 | 9218036 | Power supply controlling apparatus, power supply controlling system, and non-transitory computer readable recording medium | |||
107 | 9215312 | Telecommunication diagnostic information management | |||
108 | 9215155 | Probing-based auto moding | |||
109 | 9213969 | Transmitter, receiver, transmitting method, receiving method, communication system, communication method, program, and computer-readable storage medium | |||
110 | 9210273 | Method, system and apparatus for provisioning a communication client | |||
111 | 9210272 | System and method for configuration access via connected devices | |||
112 | 9203973 | Multimode multicarrier modem system and method of communication over the same | |||
113 | 9203724 | DSL system | |||
114 | 9190064 | Resolution-independent dither sample insertion for audio transmissions | |||
115 | 9178986 | Method and device for identification of an impairment within a telecommunication line | |||
116 | 9178985 | System for transporting ethernet frames over very high speed digital subscriber lines | |||
117 | 9178777 | User-preference-based DSL system | |||
118 | 9178668 | Method and apparatus for detecting improper connections near a customer premises equipment | |||
119 | 9172819 | File transfers based on telephone numbers | |||
120 | 9172726 | Impairment reduction for tandem VoIP calls | |||
121 | 9166871 | Data communication | |||
122 | 9160865 | Mobile platform as a delivery mechanism for security capabilities | |||
123 | 9160841 | Device and method for detecting absence of a POTS splitter in a digital subscriber line | |||
124 | 9160385 | Dynamic digital communication system control | |||
125 | 9154638 | Data communication | |||
126 | 9148504 | Method and system for single-ended line testing | |||
127 | 9148199 | Prequalification of vectoring before implementation | |||
128 | 9143342 | System and method for home automation and security | |||
129 | 9131045 | System for text assisted telephony | |||
130 | 9130655 | Methods and systems for detecting metallic faults affecting communications links | |||
131 | 9125227 | Communications device for a wireless and land-line network | |||
132 | 9124723 | Method and device for data processing in a digital subscriber line environment | |||
133 | 9124690 | Obtaining from a network media related to an incoming call based on records of a data relay device | |||
134 | 9124683 | Diagnostic engine | |||
135 | 9124595 | Modem devices, application processors, communication devices, methods for controlling a modem device, methods for controlling an application processor, and methods for controlling a communication device | |||
136 | 9124429 | Combination device for DSL phantom mode signals in a telecommunication system | |||
137 | 9118527 | Data during analog audio | |||
138 | 9118519 | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator | |||
139 | 9112999 | Automated selection of TTY-modes in a mobile device | |||
140 | 9112581 | Method and device for data processing in XDSL system | |||
141 | 9106767 | Systems and methods for information exchange and synchronization using DTMF over telephone communication channels | |||
142 | 9106729 | Personal gateway for originating and terminating telephone calls | |||
143 | 9106367 | Transmitter initiated on-line reconfiguration | |||
144 | 9100507 | Customer premise SELT based method for detecting the presence of a micro-filter on a VDSL connection | |||
145 | 9100506 | Joint signal processing across a plurality of line termination cards | |||
146 | 9100505 | Methods, systems and products for providing modem functions | |||
147 | 9094268 | Multicarrier transmission system with low power sleep mode and rapid-on capability | |||
148 | 9088669 | Scalable system and method for DSL subscriber traffic over an Ethernet network | |||
149 | 9088435 | Ethernet transport over a telephone line | |||
150 | 9083621 | Policy-based management method for remote management of home devices | |||
151 | 9078018 | Audio/video and data signal redistribution system | |||
152 | 9077820 | Shareable applications on telecommunications devices | |||
153 | 9077819 | Transmission power control method | |||
154 | 9077818 | Remotely migrating from a first service to a second service | |||
155 | 9071704 | Optimal downstream power back-off for digital subscriber lines | |||
156 | 9071681 | Inbound telephony orchestrator for hangout-based contact center platform | |||
157 | 9071678 | Intelligent loop diagnostics for digital subscriber line services to support a service assurance system | |||
158 | 9071534 | DSL system estimation | |||
159 | 9065933 | Arrangement for network interface module | |||
160 | 9065887 | Method, apparatus, and system for reducing power consumption on xDSL subscriber board | |||
161 | 9060077 | Facsimile apparatus | |||
162 | 9060073 | Facsimile apparatus, control method thereof, and storage medium | |||
163 | 9049309 | Cloud based contact center platform powered by individual multi-party conference rooms | |||
164 | 9042905 | Automatic configuration of telecommunication station sets | |||
165 | 9025744 | System for providing telephony and data services | |||
2014 | |||||
166 | 8867708 | Systems and methods for visual presentation and selection of IVR menu | |||
167 | 8761357 | Voice-messaging with attachments | |||
168 | 8666109 | System and methods for recording emergency data | |||
169 | 8635072 | Information communication using majority logic for machine control signals extracted from audible sound signals | |||
170 | 8634521 | Voice response unit shortcutting | |||
171 | 8625752 | Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel | |||
2013 | |||||
172 | 8605867 | Audio message delivery over instant messaging | |||
173 | 8600015 | Network protocol converter | |||
174 | 8520665 | Method for completing internet telephony calls | |||
175 | 8498390 | Presence based DTMF signaling enablement of voice communication controller and method | |||
176 | 8462627 | Media data transfer in a network environment | |||
177 | 8369878 | Personalized multimedia messaging system | |||
2012 | |||||
178 | 8290125 | Voice response unit shortcutting | |||
179 | 8275545 | System and method for locating an operator in a remote troubleshooting context | |||
180 | 8270576 | Network protocol converter | |||
181 | 8229091 | Interactive voice response to short message service text messenger | |||
182 | 8223931 | Systems and methods for visual presentation and selection of IVR menu | |||
183 | 8219123 | Personalized multimedia messaging system | |||
184 | 8204184 | Web integrated interactive voice response | |||
185 | 8160215 | Systems and methods for visual presentation and selection of IVR menu | |||
186 | 8155878 | System and method for locating an operator in a remote troubleshooting context | |||
187 | 8144840 | Method and system for facilitating mediated communication | |||
188 | 8139731 | Methods, systems and computer program products for providing targeted messages for pharmacy interactive voice response (IVR) systems | |||
189 | 8094789 | Provisioning unified messaging system services | |||
2011 | |||||
190 | 8085908 | Voice-messaging with attachments | |||
191 | 8077840 | Web integrated interactive voice response | |||
192 | 8054952 | Systems and methods for visual presentation and selection of IVR menu | |||
193 | 8054948 | Audio experience for a communications device user | |||
194 | 8041015 | Presence based DTMF signaling enablement of voice communication controller and method | |||
195 | 8036348 | Sequential presentation of long instructions in an interactive voice response system | |||
196 | 8019056 | Interactive pre-programmed voice response system | |||
197 | 8014498 | Audio message delivery over instant messaging | |||
198 | 8009817 | Tracking and notification of telephone plan minute status | |||
199 | 8000454 | Systems and methods for visual presentation and selection of IVR menu | |||
200 | 7995722 | Data transmission over an in-use transmission medium | |||
201 | 7961851 | Method and system to select messages using voice commands and a telephone user interface | |||
202 | 7949651 | Disambiguating residential listing search results | |||
203 | 7949106 | Asynchronous event handling for video streams in interactive voice response systems | |||
204 | 7907705 | Speech to text for assisted form completion | |||
205 | 7903796 | Method and apparatus for unified communication management via instant messaging | |||
206 | 7899161 | Voicemail messaging with dynamic content | |||
2010 | |||||
207 | 7860133 | Method for transferring and separating telephone call data | |||
208 | 7839983 | Telecommunications voice server leveraging application web-server capabilities | |||
209 | 7817783 | System and method for communicating text teletype (TTY) information in a communication network | |||
210 | 7764771 | Method of recording invention disclosures | |||
211 | 7751537 | Peer to peer voice over IP network with distributed call processing | |||
212 | 7746989 | System and method for recording and attaching an audio file to an electronic message generated by a portable client device | |||
213 | 7724879 | Efficient communication through networks | |||
214 | 7715531 | Charting audible choices | |||
215 | 7680254 | Health monitor for a geographically distributed voice messaging system | |||
216 | 7653183 | Method and apparatus to provide data to an interactive voice response (IVR) system | |||
217 | 7643518 | Method for transferring and separating telephone call data | |||
2009 | |||||
218 | 7636426 | Method and apparatus for automated voice dialing setup | |||
219 | 7634065 | Service server and voice message collecting method | |||
220 | 7627096 | System and method for independently recognizing and selecting actions and objects in a speech recognition system | |||
221 | 7617509 | Method and system for automated monitoring of quality of service of digital video material distribution and play-out | |||
222 | 7606353 | Signal amplitude and clock signal frequency selection | |||
223 | 7602889 | Dynamically alerting callers of changes to menu structures in a telephone prompting system | |||
224 | 7599476 | System and method for voice-mail and e-mail synchronization | |||
225 | 7593514 | Methods and apparatuses for communicating between messaging and telephony systems | |||
226 | 7571457 | Advanced set top terminal with electronic mailbox for cable television delivery systems | |||
227 | 7570748 | Control and monitoring telecommunication system and method of setting a modulation method | |||
228 | 7567551 | Method for completing internet telephony calls | |||
229 | 7558380 | Methods, systems and computer program products for providing targeted messages for pharmacy interactive voice response (IVR) systems | |||
230 | 7551728 | Structured voice interaction facilitated by data channel | |||
231 | 7526073 | IVR to SMS text messenger | |||
232 | 7515695 | Client customizable interactive voice response system | |||
233 | 7512217 | System and method for communicating with instant messaging clients using a telephone | |||
234 | 7489709 | Telephone communication system and method over local area network wiring | |||
2008 | |||||
235 | 7471776 | System and method for communication with an interactive voice response system | |||
236 | 7466803 | Voice-messaging with attachments | |||
237 | 7463723 | Method to enable instant collaboration via use of pervasive messaging | |||
238 | 7453994 | Sequential presentation of long instructions in an interactive voice response system | |||
239 | 7453992 | System and method for management of call data using a vector based model and relational data structure | |||
240 | 7450699 | Method and system for call answer while connected to voice mail | |||
241 | 7450697 | Network protocol converter | |||
242 | 7450696 | Knowledge management, capture and modeling tool for multi-modal communications | |||
243 | 7443962 | System and process for speaking in a two-way voice communication without talking using a set of speech selection menus | |||
244 | 7443961 | Provisioning unified messaging system services | |||
245 | 7430284 | Architecture and methods for inter-carrier Multi-Media Messaging | |||
246 | 7420961 | Distributed modem | |||
247 | 7412039 | Method and system for verifying an attachment file within an e-mail | |||
248 | 7412038 | Telecommunications voice server leveraging application web-server capabilities | |||
249 | 7403601 | Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel | |||
250 | 7356129 | Apparatus for locating a station initiating transmission of an emergency message in a network having multiple transmission sources | |||
251 | 7349529 | Contact center conferencing of e-mail message | |||
252 | 7346153 | Dynamically alerting callers of changes to menu structures in a telephone prompting system | |||
253 | 7346151 | Method and apparatus for validating agreement between textual and spoken representations of words | |||
254 | 7343004 | Numeric and text paging with an integral PLC modem | |||
255 | 7330538 | Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel | |||
256 | 7327834 | Method and system for providing interactive event reminders | |||
257 | 7327832 | Adjunct processing of multi-media functions in a messaging system | |||
258 | 7327831 | Communication means | |||
259 | 7324633 | Web integrated interactive voice response | |||
260 | 7317788 | Method and system for providing a voice mail message | |||
261 | 7315613 | Multi-modal messaging | |||
2007 | |||||
262 | 7313227 | Animated/digitally depicted interactive voice session services over an IP network | |||
263 | 7308082 | Method to enable instant collaboration via use of pervasive messaging | |||
264 | 7305070 | Sequential presentation of long instructions in an interactive voice response system | |||
265 | 7305069 | Multi-copy, multi-media, non-redundant messaging | |||
266 | 7302251 | Channel request and contention resolution apparatus and method | |||
267 | 7292841 | Call routing apparatus | |||
268 | 7289608 | Method and system for visually rearranging telephone call trees | |||
269 | 7286650 | System and method for voice-mail and e-mail synchronization | |||
270 | 7269247 | Efficient communication through networks | |||
271 | 7263177 | Method and system for operating interactive voice response systems tandem | |||
272 | 7257202 | Telephone communication system | |||
273 | 7212614 | Voice-messaging with attachments | |||
274 | 7209551 | Provisioning unified messaging system services | |||
275 | 7197120 | Method and system for facilitating mediated communication | |||
276 | 7194079 | Methods and apparatus for forwarding facsimiles by phone and/or E-mail | |||
277 | 7174006 | Method and system of VoiceXML interpreting | |||
278 | 7170976 | System and method for communicating text teletype (TTY) information in a communication network | |||
279 | 7164756 | Data communication system for supplementing telephone calls | |||
280 | 7162015 | Automated information access via the telephone line | |||
2006 | |||||
281 | 7136465 | Voice activated, voice responsive product locator system, including product location method utilizing product bar code and product-situated, location-identifying bar code | |||
282 | 7133504 | Non-voice completion of voice calls | |||
283 | 7123698 | Automatic payment system and method | |||
284 | 7123695 | Voice message delivery over instant messaging | |||
285 | 7116764 | Network interface unit having an embedded services processor | |||
286 | 7106837 | Split browser | |||
287 | 7103157 | Audio quality when streaming audio to non-streaming telephony devices | |||
288 | 7095849 | Integrated filter and modular jack for voice over digital subscriber line service | |||
289 | 7095828 | Distributed network applications platform architecture | |||
290 | 7058006 | OFDM communication apparatus | |||
291 | 7006626 | Subscriber interface circuit | |||
2005 | |||||
292 | 6968174 | Call routing apparatus | |||
293 | 6967928 | Internet telephony system | |||
294 | 6965670 | Method for optimizing the transmission properties and the power loss of a high-voltage part which is integrated in a subscriber connection circuit for connecting a subscriber connection line | |||
295 | 6965617 | Resynchronous control apparatus of subscriber communication machine, and resynchronizing method | |||
296 | 6963579 | System and method for broadband roaming connectivity using DSL | |||
297 | 6961303 | Telephone communication system and method over local area network wiring | |||
298 | 6959083 | Loop current monitor circuitry and method for a communication system | |||
299 | 6957260 | Method of improving access to services provided by a plurality of remote service providers | |||
300 | 6952872 | Method for reducing stress on the multi-conductor cable | |||
301 | 6952417 | System and method for selectively providing data communications in an XDSL communication system | |||
302 | 6952128 | Polarity insensitive solid state switch | |||
303 | 6950515 | Telecommunication system using digital-subscriber lines coexisting with TCM-ISDN lines | |||
304 | 6950507 | System for working at a remote office PBX | |||
305 | 6950459 | Activation of multiple xDSL modems with half duplex and full duplex procedures | |||
306 | 6947529 | DSL compatible load coil | |||
307 | 6947420 | Applications of user-to-user information transfer between telecommunication devices | |||
308 | 6944213 | Adaptive hybrid for a digital subscriber line analog front end | |||
309 | 6944119 | OFDM receiving apparatus, OFDM transmission apparatus and OFDM communication method | |||
310 | 6934366 | Relay for personal interpreter | |||
311 | 6931461 | Bus optimization based on network device communication | |||
312 | 6928108 | Modem with firmware upgrade feature | |||
313 | 6928072 | Communication device for providing information utilizing subscriber line | |||
314 | 6928068 | Digital loop carrier or other multi-services access system as a data and voice packet server | |||
315 | 6925173 | Optimization of a DSL-compatible POTS line card | |||
316 | 6925158 | Modem function incorporated in a programmable logic controller | |||
317 | 6925157 | Method for operating devices for transmitting high-bit-rate data on an extension line and arrangement having such devices for data transmission | |||
318 | 6925090 | High-speed digital transmission method allowing plurality of voice services by use of single subscriber line | |||
319 | 6922469 | Separation of ring detection functions across isolation barrier for minimum power | |||
320 | 6922467 | Quick connect parameter exchange | |||
321 | 6922415 | Apparatus and method for a non-symmetrical half-duplex DSL modem | |||
322 | 6922407 | HomePNA 10M8 compliant transceiver | |||
323 | 6920217 | Method and apparatus for transient suppression in an integrated POTS/DSL line card | |||
324 | 6920207 | Techniques to reconnect with a modem | |||
325 | 6917683 | Signal splitter with test relays on auxiliary circuit board and system using same | |||
326 | 6917646 | Circuit for exchanging communications over a transmission line | |||
327 | 6917624 | Method and apparatus for providing a derived digital telephone voice channel | |||
328 | 6917595 | Telecommunications transmission test set | |||
329 | 6912577 | Process for establishing computer network communication using a telephone message incorporating a two-part computer network address | |||
330 | 6912276 | Modem on hold | |||
331 | 6909690 | Call admission control in telecommunication networks | |||
332 | 6904083 | DSL link with embedded control and multi-channel capability | |||
333 | 6901530 | Proactive repair process in the xDSL network (with a VDSL focus) | |||
334 | 6901138 | Digital communication system using telephone line and initializing method thereof | |||
335 | 6898280 | Line card and method for supporting pots, asymmetric DSL and symmetric DSL services | |||
336 | 6898210 | System and method for providing a local area network utilizing remote transceivers | |||
337 | 6895042 | Apparatus and method for pre-provisioning of broadband access to subscribers in a telecommunication system | |||
338 | 6895040 | Architecture for a digital subscriber line analog front end | |||
339 | 6891935 | Direct access arrangement (DAA) circuit having automatic interface identification | |||
340 | 6891854 | System and method for transporting a compressed video and data bit stream over a communication channel | |||
341 | 6891825 | Method and system of providing multi-user access to a packet switched network | |||
342 | 6891803 | Telecommunications transmission test set | |||
343 | 6888884 | Method and system for dynamically inverting an asymmetric digital subscriber line (ADSL) system | |||
344 | 6888832 | Method and system for notifying customer of voicemail using an ATM signaling channel from an ATM/DSL head-end network | |||
345 | 6885746 | Crosstalk identification for spectrum management in broadband telecommunications systems | |||
346 | 6879591 | Transferring voice over an asymmetric digital subscriber line | |||
347 | 6879590 | Methods, apparatuses and systems facilitating aggregation of physical links into logical link | |||
348 | 6876725 | Single ended line probing in DSL system | |||
349 | 6873623 | System and method for overlaying DSL access multiplexer onto existing access systems | |||
350 | 6870912 | System and method for storing and transferring information tokens in a low network communication | |||
351 | 6870911 | Transceiver | |||
352 | 6870834 | Communication server apparatus providing XDSL services and method | |||
353 | 6868117 | Splitter and microfilter dongle for a single RJ11 DSL/analog combo modem | |||
354 | 6868072 | Home phone line network architecture | |||
355 | 6865190 | Framing techniques for ADSL systems | |||
356 | 6862264 | Hybrid access system employing data acknowledgement suppression | |||
357 | 6856682 | System and method for processing an input signal communicated on a telephone line | |||
358 | 6853647 | System method and network for providing high speed remote access from any location connected by a local loop to a central office | |||
359 | 6853643 | Interleaved read/write operation in a data switch | |||
360 | 6851042 | Audio, fax and modem capabilities with a digital signal processor of a sound card of a computer system | |||
361 | 6850618 | Central office interface techniques for digital subscriber lines | |||
362 | 6850533 | Network server platform (NSP) for a hybrid coaxial/twisted pair local loop network service architecture | |||
363 | 6842509 | Signaling mechanism for modem connection holding and reconnecting | |||
364 | 6839889 | Mixed hardware/software architecture and method for processing xDSL communications | |||
365 | 6839570 | Method and circuit for interfacing a modem in a wireless communication device to a subscriber interface module | |||
2004 | |||||
366 | 6836510 | DSL link with scaleable performance | |||
367 | 6829336 | System and method for active filtering in a telecommunications network | |||
368 | 6829234 | Telecommunications system | |||
369 | 6826278 | Central office interface techniques for digital subscriber lines | |||
370 | 6826265 | DSL-ready pots device and method | |||
371 | 6826155 | Apparatus and method for facilitating standardized testing of signal lines | |||
372 | 6823396 | Method for controlling data transmission in a wireless v.24 data transmission system operating between a data terminal and a data transmission device for data telecommunication | |||
373 | 6823066 | Digital access arrangement circuitry and method having current ramping control of the hookswitch | |||
374 | 6819752 | Intelligent switching system for voice and data | |||
375 | 6819749 | Method and apparatus for fast V.90 modem startup | |||
376 | 6819747 | Self-contained distinctive ring, voice, facsimile, and internet device | |||
377 | 6819719 | Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices | |||
378 | 6816544 | High performance communications interface | |||
379 | 6813343 | Method and apparatus for filtering asymmetric digital subscriber line (ADSL) signals | |||
380 | 6804349 | Hybrid transceiver circuit | |||
381 | 6804292 | Broadband I/O circuits, interface and bus | |||
382 | 6804226 | Method and apparatus for connecting local subscribers to a LAN | |||
383 | 6801601 | Single ended line probing in DSL system using transformerless hybrid | |||
384 | 6798768 | Multimedia call routing in an IP network | |||
385 | 6792040 | Modems having a dual power mode capability and methods of operating same | |||
386 | 6788705 | Transmitting DSL startup parameters over a voice channel | |||
387 | 6785371 | Signaling mechanism for modem connection holding and reconnecting | |||
388 | 6785265 | Ethernet-based digital subscriber line methods and systems | |||
389 | 6781981 | Adding DSL services to a digital loop carrier system | |||
390 | 6778596 | Method and multi-carrier transceiver with stored application profiles for supporting multiple applications | |||
391 | 6775320 | Method and a multi-carrier transceiver supporting dynamic switching between active application sets | |||
392 | 6768791 | Method and apparatus for quick modem reconnect | |||
393 | 6765913 | Bandwidth manager linked list optimization scheme in a digital loop carrier system | |||
394 | 6765901 | TCP/IP/PPP modem | |||
395 | 6763019 | Method and system for authenticated fast channel change of media provided over a DSL connection | |||
396 | 6760779 | Apparatus and method for high speed data communication | |||
397 | 6760433 | Central office interface techniques for digital subscriber lines | |||
398 | 6757378 | Method and telecommunications center for recognizing connection requests at a subscriber line | |||
399 | 6754341 | External resistor and method to minimize power dissipation in DC holding circuitry for a communication system | |||
400 | 6751315 | High bandwidth phone line transceiver with capacitor isolation | |||
401 | 6751303 | Data communication over telephone voice channel using DTMF interface | |||
402 | 6751232 | Method and apparatus for communicating data between first and second pairs of transceivers communicating on a common communications link | |||
403 | 6748078 | System and method for allocating overhead voltage in the transmission of pots and XDSL signals | |||
404 | 6748076 | Method for separating narrowband and broadband services on a transmission link and a splitter element | |||
405 | 6747992 | Communication system and communication method | |||
406 | 6744786 | Method and apparatus for using telephone house wiring for voice/data network | |||
407 | 6741702 | Device for connecting a subscriber line to a high frequency link and to a low frequency link | |||
408 | 6741700 | Low insertion loss current sense circuit | |||
409 | 6738981 | General access system | |||
410 | 6732315 | Home networking over phone lines | |||
411 | 6731727 | Methods for displaying caller identification information on an integrated display/telephone system capable of displaying images | |||
412 | 6731726 | Communication on hold | |||
413 | 6731653 | Method and apparatus for handling multiple data subscribers at a central site | |||
414 | 6728534 | RADIO COMMUNICATION APPARATUS, HAVING COMBINED FUNCTIONS SUCH AS TERMINAL ADAPTER, DIGITAL RADIO COMMUNICATION APPARATUS, FACSIMILE COMMUNICATION APPARATUS AND SO ON, FOR BEING CONNECTED TO A DIGITAL PUBLIC COMMUNICATION LINE | |||
415 | 6728367 | Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal | |||
416 | 6728350 | Telephone connection system, telephone connecting method, home transmission unit and control programs therefor | |||
417 | 6728342 | TTY messaging | |||
418 | 6724773 | Arrangement comprising electronic devices exchanging information | |||
419 | 6721394 | Method for reducing noise from an asymmetric digital subscriber line modem | |||
420 | 6721356 | Method and apparatus for buffering data samples in a software based ADSL modem | |||
421 | 6721355 | Method and apparatus for adaptive power management in a modem | |||
422 | 6717982 | Data communication apparatus | |||
423 | 6714545 | VDSL data network, service and management architecture | |||
424 | 6711138 | Digital subscriber line/home phoneline network router | |||
425 | 6704400 | Call-waiting tone detection technique | |||
426 | 6704399 | Quick connect parameter exchange | |||
427 | 6700954 | Telephone with integrated digital answering machine for voice and fax data | |||
428 | 6697464 | System and method for interfacing a modem's digital interface to a PBX telephone | |||
429 | 6694480 | Receiving apparatus, receiving method, transmission system and transmission method | |||
430 | 6694016 | Odd-order low-pass POTS device microfilter | |||
431 | 6693998 | Error correction and compression parameter exchange during modem training phase | |||
432 | 6693997 | Host computer digital signal processing system for communicating over voice-grade telephone channels | |||
433 | 6693916 | Method and system for combining symmetric DSL signals and voice signals | |||
434 | 6690776 | Communication on hold notifier | |||
435 | 6690749 | High speed encoding and decoding apparatus and method for analog subscriber connections | |||
436 | 6690718 | Asymmetric digital subscriber line transceiver unit-card and method of controlling the same | |||
437 | 6690677 | Network for telephony and data communication | |||
438 | 6690666 | Packet modulation for DSL | |||
439 | 6687512 | Subscriber terminal, base station, circuit mode switching method, and a wireless system utilizing said method | |||
440 | 6687370 | Method and an arrangement for securing an ADSL connection | |||
441 | 6687342 | System and method for retaining client configuration information across the re-installation of any tapi service provider in a tapi 2.1 environment | |||
442 | 6683944 | Voice transmitter | |||
443 | 6683887 | Asymmetrical digital subscriber line (ADSL) downstream high speed cell bus interface protocol | |||
444 | 6683548 | Analog isolation system with digital communication across a capacitive barrier | |||
445 | 6680998 | Providing private network information during emergency calls | |||
446 | 6680940 | System for transporting ethernet frames over very high speed digital subscriber lines | |||
447 | 6678377 | Monolithically integrated telephone circuit for driving wide-band telephone lines for data transmission | |||
448 | 6678359 | Called party identification in packet switched networks | |||
449 | 6678284 | Communication access chassis with general purpose computing platform | |||
450 | 6674846 | Method and system for modem pulse dialing in a telecommunication system | |||
451 | 6674843 | Apparatus system and method for enabling multi-frequency communication over a telephone network having a billing/tax tone | |||
2003 | |||||
452 | 6668043 | Systems and methods for transmitting and receiving text data via a communication device | |||
453 | 6668041 | Single ended line probing in DSL system | |||
454 | 6667991 | Method for synchronizing seamless rate adaptation | |||
455 | 6667986 | System and method for providing high-speed data access using a distributed modem | |||
456 | 6665381 | Self-contained device using a single phone line to receive phone calls and facsimiles while connectable to the internet | |||
457 | 6658097 | Codec circuit and method for increasing the data transmission rate during a modem transmission | |||
458 | 6658096 | Local loop interceder | |||
459 | 6654817 | Integral peripheral device of USB local network card and USB modem | |||
460 | 6654409 | Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines | |||
461 | 6647068 | Variable state length initialization | |||
462 | 6639913 | System and method for communicating voice and data over a local packet network | |||
463 | 6636525 | Destination dependent coding for discrete multi-tone modulation | |||
464 | 6636519 | Network access method and network access server therefor | |||
465 | 6636505 | Method for service provisioning a broadband modem | |||
466 | 6633589 | Switching apparatus for use in telephone house wiring | |||
467 | 6633545 | System and method for determining the data rate capacity of digital subscriber lines | |||
468 | 6628771 | Distinctive call waiting alert and management device | |||
469 | 6628664 | Apparatus and method for digital telephony | |||
470 | 6628429 | System and method to effectively suppress idle fax signals | |||
471 | 6625278 | Impedance matching with sigma delta filter | |||
472 | 6625263 | Method, device for detecting the calling of a telephone and modem including such a device | |||
473 | 6625175 | Method and an arrangement for securing an ADSL connection | |||
474 | 6624745 | Low pass filter for a universal home network on a customer premises european installation bus | |||
475 | 6621802 | Method and apparatus for substantially simultaneous audio and data communication over a wireless link | |||
476 | 6618469 | Circuits and methods for testing POTS service | |||
477 | 6614890 | Disclosing the receipt of new electronic message | |||
478 | 6614839 | Method and apparatus for identifying the encoding type of a central office codec | |||
479 | 6614801 | Circuits and methods for detecting the mode of a telecommunications signal | |||
480 | 6611553 | Isolation system with digital communication across a capacitive barrier | |||
481 | 6603835 | System for text assisted telephony | |||
482 | 6603831 | Synchronous digital data transmitter | |||
483 | 6603807 | Isolator and a modem device using the isolator | |||
484 | 6600815 | Telephone network access adapter | |||
485 | 6594346 | Relay for personal interpreter | |||
486 | 6590976 | Two-step algorithm for training an echo cancellation filter | |||
487 | 6587886 | Selecting communication link between client and server | |||
488 | 6587560 | Low voltage circuits powered by the phone line | |||
489 | 6587473 | Information network access apparatus and methods for communicating information packets via telephone lines | |||
490 | 6584570 | Codec system with shadow buffers and method of performing a power down/suspend operation on this codec system | |||
491 | 6584506 | Selecting communication link between client and server | |||
492 | 6584196 | Electronic inductor with transmit signal telephone line driver | |||
493 | 6584182 | Method and apparatus for communicating data over a telephone line using an acoustic modem | |||
494 | 6584122 | Method and system for providing voice and data service | |||
495 | 6580788 | System and method for identifying modem connections in a telephone network | |||
496 | 6580785 | Apparatus and method for simultaneous multiple telephone type services on a single telephone line | |||
497 | 6580710 | Method and apparatus for facilitating intra-premises voice and data distribution using existing in-place POTS telephone lines | |||
498 | 6574315 | Method for controlling data transmission in a wireless V.24 data transmission system operating between a data terminal and a data transmission device for data telecommunication | |||
499 | 6574309 | Remotely actuated splittler bypass system and method | |||
500 | 6574236 | Interface device having VDSL splitter and interference filter | |||
501 | 6570932 | Calculation and verification of transmit power levels in a signal point transmission system | |||
502 | 6570891 | Advanced priority statistical multiplexer | |||
503 | 6567981 | Audio/video signal redistribution system | |||
504 | 6567519 | System and method for processing an input signal communicated on a telephone line | |||
505 | 6567503 | Real-time transcription correction system | |||
506 | 6567473 | Method for seamlessly changing power modes in a ADSL system | |||
507 | 6563789 | Data transmission method and equipment | |||
508 | 6560197 | Distributed XDSL modem pool with front-end idle mode processing | |||
509 | 6553105 | Enabling and powering of remotely actuated bypass splitters | |||
510 | 6546442 | Communications adapter having analog and digital interfaces for communications with remote systems | |||
511 | 6546092 | Video caller identification systems and methods | |||
512 | 6546091 | Automatic detection of phone system settings for dial-up modem connections | |||
513 | 6546090 | Apparatus and method for communicating voice and data between a customer premises and a central office | |||
514 | 6545616 | Methods and apparatus for digital wireless text telephony | |||
515 | 6542585 | Distributed splitter for data transmission over twisted wire pairs | |||
516 | 6542520 | Method and arrangement for securing an ADSL connection | |||
517 | 6542500 | Network server platform (NSP) for a hybrid coaxial/twisted pair local loop network service architecture | |||
518 | 6539086 | System and method for completing two calls using analog interface to telephone network | |||
519 | 6535589 | Method and apparatus for reducing transmission errors in digital subscriber line (DSL) communication systems | |||
520 | 6535587 | Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter | |||
521 | 6535581 | Bypass for telephone system splitter | |||
522 | 6534996 | System and method for phone line characterization by time domain reflectometry | |||
523 | 6532279 | High-speed data communication over a residential telephone wiring network | |||
524 | 6529598 | Method and apparatus for digital PABX detection and modem interface protection | |||
525 | 6529589 | Method and system for monitoring and controlling automation equipment by modem | |||
526 | 6529479 | SVC accessing method for use in ATM-DSLAM | |||
527 | 6526092 | Modem with firmware upgrade feature | |||
528 | 6525676 | Character input device and method | |||
529 | 6523079 | Micropersonal digital assistant | |||
530 | 6522745 | Digital access arrangement circuitry and method having a synthesized ringer impedance for connecting to phone lines | |||
531 | 6522731 | Data communication apparatus | |||
532 | 6522668 | System and method for special signaling with customer premises equipment | |||
533 | 6520744 | Method and apparatus for improving performance of a splitterless asymmetric digital subscriber line (ADSL) | |||
534 | 6519339 | Method of regulating power transfer across an isolation barrier | |||
535 | 6519253 | Telecommunication equipment support of ISDN communication lines for high speed data transmission | |||
536 | 6516204 | Combination internal modem and PC card radio operable in multiple modes | |||
537 | 6516024 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting | |||
538 | 6515996 | Modem with IP support | |||
539 | 6515984 | Data/voice/fax compression multiplexer | |||
540 | 6512762 | System and method for communicating telecommunication information between customer premises equipment and network equipment | |||
541 | 6510219 | Alternate network fallback for IP telephony | |||
542 | 6507870 | xDSL web ordering tool | |||
543 | 6507610 | Cordless modem system having multiple base and remote stations which are interusable and secure | |||
544 | 6504910 | Voice and text transmission system | |||
545 | 6504864 | Digital access arrangement circuitry and method for connecting to phone lines having a second order DC holding circuit | |||
2002 | |||||
546 | 6498825 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting | |||
547 | 6498808 | Seamless rate adaptive multicarrier modulation system and protocols | |||
548 | 6498807 | Method and apparatus for transmitting data from a plurality of users in a multi-tone modem communications system | |||
549 | 6498806 | Shared asymmetric digital subscriber line modem | |||
550 | 6496572 | Call-waiting tone detection technique | |||
551 | 6496486 | Multipoint digital simultaneous voice and data system | |||
552 | 6493780 | Wake-up-on-ring power conservation for host signal processing communication system | |||
553 | 6493435 | Alarm system interface | |||
554 | 6493426 | Relay for personal interpreter | |||
555 | 6490343 | System and method of non-spoken telephone communication | |||
556 | 6487282 | Apparatus and method for an inbound telemetry device to sense telephone line status | |||
557 | 6487241 | Method and apparatus employing cutback probe | |||
558 | 6486867 | Telecommunication terminal and device for projecting received information | |||
559 | 6483914 | Telephone filter arrangement | |||
560 | 6483870 | Data communication using a modifiable number of XDSL modems | |||
561 | 6480908 | Codec system with shadow buffers and method of performing a power down/suspend operation on this codec system | |||
562 | 6480602 | Ring-detect interface circuitry and method for a communication system | |||
563 | 6480575 | Structure and circuit topology for a remotely actuated bypass splitter | |||
564 | 6480533 | Method and apparatus for receiving control signals in a data communication system having a fully digital communication channel | |||
565 | 6477595 | Scalable DSL access multiplexer with high reliability | |||
566 | 6477363 | System and method for communicating the location of an emergency caller through a telephone network to a control station | |||
567 | 6477249 | Communications signal splitter and filter | |||
568 | 6477239 | Sign language telephone device | |||
569 | 6473495 | Apparatus and method for coupling analog subscriber lines connected to a private branch exchange for transmission of network data signals in a home network | |||
570 | 6470074 | System and method for providing data and voice services on a shared line | |||
571 | 6470053 | Methods and arrangements for transmitting data over twisted pair wire using RF modulation techniques | |||
572 | 6466656 | System employing XDSL spectrum relocation | |||
573 | 6466586 | Digital subscriber line framing structure supporting imbedded rate adaptive synchronous and asynchronous traffic | |||
574 | 6466584 | System and method for performing digital subscriber line (DSL) modem communication over an AC link bus | |||
575 | 6466573 | System and method for communicating telecommunication information between a telecommunication switch and customer premises equipment | |||
576 | 6459790 | System and method for selective filter isolation | |||
577 | 6456715 | Connecting a telephone | |||
578 | 6456713 | Method and apparatus for detecting data port usage | |||
579 | 6456712 | Separation of ring detection functions across isolation barrier for minimum power | |||
580 | 6456703 | Data access arrangement for detecting the hook status of an extension device | |||
581 | 6456701 | Network-centric control of access to transceivers | |||
582 | 6456650 | Splitterless modem using harmonics reduction | |||
583 | 6453024 | Graphical software for reconfiguring modems having an electrically adaptable telephone line interface | |||
584 | 6452925 | Universal access multimedia data network | |||
585 | 6445733 | Method of and apparatus for performing line characterization in a non-idle mode in a subscriber line communication system | |||
586 | 6445731 | Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem | |||
587 | 6445712 | Broadband architecture using existing twisted pair | |||
588 | 6442271 | Digital isolation system with low power mode | |||
589 | 6442213 | Digital isolation system with hybrid circuit in ADC calibration loop | |||
590 | 6434225 | Communication support system in which a ringing sound control processing is performed in response to a call from a telephone network | |||
591 | 6434169 | Voiceband/modem signal relay | |||
592 | 6434167 | Communications device with extended filter and line monitoring function | |||
593 | 6434123 | Apparatus and method for broadband data communication | |||
594 | 6430229 | Capacitive isolation system with digital communication and power transfer | |||
595 | 6430219 | Method of and apparatus for performing line characterization in a subscriber line communication system | |||
596 | 6427237 | Network for distributing multimedia signals over a primary signal distribution path | |||
597 | 6427178 | Software modem having a multi-task plug-in architecture | |||
598 | 6427007 | System and method for completing a call while at least one call is established using analog interface to telephone network | |||
599 | 6426961 | Method and system for selection of mode of operation of a service in light of use of another service in an ADSL system | |||
600 | 6425091 | Method and apparatus for tolerating scheduling latency and achieving time alignment for transmit and receive signals in high-speed modems implemented on host processors | |||
601 | 6424661 | ADSL with RF POTS overlay | |||
602 | 6424636 | Variable rate and variable mode transmission system | |||
603 | 6424626 | Method and system for discarding and regenerating acknowledgment packets in ADSL communications | |||
604 | 6421735 | Apparatus and method for automatically selecting a network port for a home network station | |||
605 | 6421375 | Method and apparatus for transmitting control signals in a data communication system having a fully digital communication channel | |||
606 | 6414952 | Virtual gateway system and method | |||
607 | 6411695 | System and method for completing two calls using analog interface to telephone network | |||
608 | 6411688 | Method for transferring dial tone in real time in computer communication system | |||
609 | 6411606 | Hybrid access system with remote device monitoring scheme | |||
610 | 6408071 | Modem line connection circuit and the control circuit | |||
611 | 6408068 | Modular telephone | |||
612 | 6408058 | Telewriting device | |||
613 | 6408056 | Local loop interceder | |||
614 | 6408034 | Framed delta sigma data with unlikely delta sigma data patterns | |||
615 | 6407995 | Independently switched voice and data calls using a single PSTN line connection | |||
616 | 6405060 | User interface with improved data entry features for telephone system | |||
617 | 6404861 | DSL modem with management capability | |||
618 | 6404807 | High speed dial-up service using PCM modem technology | |||
619 | 6404805 | Bit error measuring device for modem device and bit error measuring method for the same | |||
620 | 6400957 | Wireless phone-line interface | |||
621 | 6400803 | Voice over digital subscriber line call redirection for lifeline service | |||
622 | 6400770 | High speed encoding and decoding methods for analog subscriber connections | |||
623 | 6396912 | Method and system for connecting multiple DSL modems to a telephone line | |||
624 | 6396911 | Method and apparatus for efficient improved data transmissions on telephone links between service providers and remote clients | |||
625 | 6396910 | Method and apparatus for improved data transmissions on telephone links between service providers and remote clients | |||
626 | 6393111 | Method for transmitting and receiving data over a home network implemented upon a phone line system | |||
627 | 6393110 | Methods and apparatus for terminating a line and supporting the asymmetric digital subscriber line protocol | |||
628 | 6392686 | Multipurpose communication device | |||
629 | 6389134 | Call progress monitor circuitry and method for a communication system | |||
630 | 6389120 | Method and apparatus for multiple logical channel information delivery over multiple suppressed ringing physical channels | |||
631 | 6389061 | Isolation system with digital communication across a capacitive barrier | |||
632 | 6389004 | Broadband service distribution method and device | |||
633 | 6388990 | Method and system for reducing congestion in connection-oriented packet networks having digital subscriber line access | |||
634 | 6385315 | Video voice separation system | |||
635 | 6385309 | System and method for storing and transferring information tokens in a communication network | |||
636 | 6385235 | Direct digital access arrangement circuitry and method for connecting to phone lines | |||
637 | 6385203 | Communication server apparatus and method | |||
638 | 6381266 | Method and apparatus for identifying the encoding type of a central office codec | |||
639 | 6380971 | VDSL video/data set top test equipment | |||
640 | 6377667 | Telephone line-assist powered apparatus with programmable hold current | |||
641 | 6377665 | Apparatus and method of implementing a universal home network on a customer premises UPN telephone lines | |||
642 | 6373936 | Intelligent switching system for voice and data | |||
643 | 6373885 | Circuit and method for detecting an escape sequence | |||
644 | 6370243 | Method for transmitting data traffic in a telecommunications system | |||
645 | 6366644 | Loop integrity test device and method for digital subscriber line (XDSL) communication | |||
646 | 6363426 | System and method of allocating modem resources to software applications | |||
647 | 6363137 | Information terminal apparatus | |||
648 | 6359983 | Digital isolation system with data scrambling | |||
649 | 6359932 | Verification of transmit power levels in a signal point limited transmission system | |||
650 | 6359906 | Providing digital services to telephone subscribers | |||
651 | 6356631 | Multi-client object-oriented interface layer | |||
652 | 6356593 | Data optimized codec | |||
653 | 6356562 | High-speed communications system for providing voice and data services | |||
654 | 6351530 | Modem having a digital high voltage isolation barrier | |||
655 | 6345088 | Apparatus and methods for handling call waiting in a modem | |||
656 | 6345072 | Universal DSL link interface between a DSL digital controller and a DSL codec | |||
657 | 6345070 | Modem | |||
658 | 6343263 | Real-time signal processing system for serially transmitted data | |||
659 | 6341143 | Modem with firmware upgrade feature | |||
660 | 6339640 | Method and apparatus for automatic callback in a telecommunication system | |||
661 | 6339599 | Collision handling scheme for discrete multi-tone data communications network | |||
662 | 6337877 | Method and apparatus for scaling modem transfer capacity in a multi-channel communications system | |||
663 | 6335936 | Wide area communication networking | |||
2001 | |||||
664 | 6333974 | Detection of a call-waiting tone by a modem | |||
665 | 6333920 | Frequency division duplexing system which accommodates symmetric and asymmetric channels | |||
666 | 6332166 | Adaptive interface apparatus and method for data terminal elements in a communication network transmitting and receiving ethernet over a shielded twisted pair cabling system | |||
667 | 6332020 | System and method for downloading internet based information to an ADSI phone slot | |||
668 | 6330597 | Method and apparatus for monitoring, controlling, and configuring remote communication devices | |||
669 | 6330330 | External resistor and method to minimize power dissipation in DC holding circuitry for a communication system | |||
670 | 6330276 | Transmission level setting circuit and modem unit using the same | |||
671 | 6330235 | Method and apparatus providing data communication over an existing telephone network without interfering with normal telephony functions | |||
672 | 6327264 | Information network access apparatus and methods for communicating information packets via telephone lines | |||
673 | 6324268 | Splitter-less digital subscriber loop modems with improved throughput and voice and data separation | |||
674 | 6324188 | Voice and data multiplexing system and recording medium having a voice and data multiplexing program recorded thereon | |||
675 | 6320857 | Telephone doubler arrangement | |||
676 | 6317464 | Method and apparatus for separating digital data signals from analog voice signals transported over a common conductor | |||
677 | 6317455 | System and method for user information transfer before modem connection | |||
678 | 6314475 | Method and apparatus for monitoring, controlling and configuring local communication devices | |||
679 | 6314170 | Modem apparatus and data communication method | |||
680 | 6311291 | Remote modem control and diagnostic system and method | |||
681 | 6311231 | Method and system for coordinating data and voice communications via customer contract channel changing system using voice over IP | |||
682 | 6311197 | Method for downloading a web page to a client for efficient display on a television screen | |||
683 | 6308221 | Selecting communication link between client and server | |||
684 | 6307923 | Apparatus and method for user tone notification during data suspension or degradation | |||
685 | 6307891 | Method and apparatus for freezing a communication link during a disruptive event | |||
686 | 6307880 | Method and system for externally incorporating automatic switching between voice and data communications | |||
687 | 6304596 | Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem | |||
688 | 6304578 | Packet routing and queuing at the headend of shared data channel | |||
689 | 6301341 | System and method for performing telephone line-in-use detection, extension pick-up detection, and remote hang-up detection in a modem | |||
690 | 6298133 | Telephone line interface architecture using ringer inputs for caller ID data | |||
691 | 6297755 | Analog isolation system with digital communication across a capacitive barrier | |||
692 | 6295460 | Modem for selectively connecting to a land line or to a cellular telephone | |||
693 | 6295343 | Method and apparatus for combining voice line card and xDSL line card functions | |||
694 | 6295313 | Method for controlling modem | |||
695 | 6295302 | Alternating speech and data transmission in digital communications systems | |||
696 | 6295293 | Access network over a dedicated medium | |||
697 | 6292840 | Voice/audio data communication with negotiated compression scheme and data header compressed in predetermined scheme | |||
698 | 6292546 | Modem including a device for detecting the busy state of a telephone line | |||
699 | 6289087 | Modem with ring detection/modem processing capability | |||
700 | 6289070 | Digital isolation system with ADC offset calibration including coarse offset | |||
701 | 6286058 | Apparatus and methods for automatically rerouting packets in the event of a link failure | |||
702 | 6285754 | Odd-order low-pass pots device microfilter | |||
703 | 6285706 | Modem having separate modem engine and data access arrangement | |||
704 | 6282273 | Communication server apparatus using frequency multiplexing and method | |||
705 | 6282272 | Telephone web browser arrangement and method | |||
706 | 6282001 | Data access arrangement having improved transmit-receive separation | |||
707 | 6278773 | Determining and disclosing the indentity of telephone caller | |||
708 | 6278769 | Signaling method for invoking a test mode in a network interface unit | |||
709 | 6278728 | Remote XDSL transceiver unit and method of operation | |||
710 | 6278696 | Communication method and apparatus | |||
711 | 6275502 | Advanced priority statistical multiplexer | |||
712 | 6272569 | Control system for providing interface to external modem | |||
713 | 6272219 | Access network with an integrated splitter | |||
714 | 6272210 | Communication system between local area network stations | |||
715 | 6272209 | Lifeline telephony provision for voice over digital subscriber line | |||
716 | 6272170 | Method and apparatus for reducing start-up latency in a data transmission system | |||
717 | 6269154 | Splitterless modem with integrated off-hook detector | |||
718 | 6269101 | Network server platform for a hybrid fiber twisted pair local loop network service architecture | |||
719 | 6263077 | Digital subscriber line modem utilizing echo cancellation to reduce near-end cross-talk noise | |||
720 | 6262991 | Communication system architecture, infrastructure exchange and method of operation | |||
721 | 6262972 | Digital multitone communication trunk | |||
722 | 6259775 | Multi-line modem interface | |||
723 | 6259726 | Cordless modem system having multiple base and remote stations which are interusable and secure | |||
724 | 6259691 | System and method for efficiently transporting dual-tone multi-frequency/multiple frequency (DTMF/MF) tones in a telephone connection on a network-based telephone system | |||
725 | 6256321 | Information communication network system, central information communication control device and information communication device used in the system, information sending method, and modulation method | |||
726 | 6256305 | Architecture to support a single system image across multiple network access servers | |||
727 | 6252901 | Digital modem fast retrain escape mechanism | |||
728 | 6249531 | Universal voice/fax/modem line over compressed media | |||
729 | 6246754 | Mechanism for changing a modem's connection rate within a family of interoperable modems | |||
730 | 6246716 | Information communication system | |||
731 | 6246695 | Variable rate and variable mode transmission system | |||
732 | 6246694 | Method for selecting baud rates for a rate adaptive digital subscriber line modem | |||
733 | 6246679 | Integrated communication system of voice and data | |||
734 | 6243460 | Telephone with character keypad | |||
735 | 6243448 | Video caller identification systems and methods | |||
736 | 6243394 | Apparatus for ADSL access | |||
737 | 6240179 | Voice and data communications | |||
738 | 6240177 | Communication device comprising an off-hook detection circuit | |||
739 | 6240166 | LAN connection using analog modems via telephone wiring | |||
740 | 6236724 | Methods and apparatus for encoding and decoding data transmitted over telephone lines | |||
741 | 6236719 | Arrangement for data transmission utilizing telephone network | |||
742 | 6236718 | Video transmission and control system utilizing internal telephone lines | |||
743 | 6236714 | Transmit power control for DSL modems in splitterless environment | |||
744 | 6236676 | Intelligent adaptive modulation system | |||
745 | 6236675 | Pilot tone system and method to allow continuous synchronization in multipoint networks | |||
746 | 6236664 | Pair gain system with an ADSL repeater unit | |||
747 | 6233314 | Relay for personal interpreter | |||
748 | 6233284 | High speed communications system for analog subscriber connections | |||
749 | 6233275 | High speed communications system for analog subscriber connections | |||
750 | 6233250 | System and method for reducing latency in software modem for high-speed synchronous transmission | |||
751 | 6230133 | Home office communication system and method | |||
752 | 6230010 | Method and apparatus for transmission of analog and digital | |||
753 | 6229846 | Apparatus and method for implementing high speed modem communication support | |||
754 | 6229818 | Active isolation system and method for allowing local and remote data transfers across a common data link | |||
755 | 6229810 | Network server platform for a hybrid fiber twisted pair local loop network service architecture | |||
756 | 6225927 | Analog isolation system with digital communication across a capacitive barrier | |||
757 | 6222922 | Loop current monitor circuitry and method for a communication system | |||
758 | 6222910 | System and method for connecting and interfacing a communications device to a telephone line via a telephone set | |||
759 | 6219413 | Apparatus and method for called-party telephone messaging while interconnected to a data network | |||
760 | 6219408 | Apparatus and method for simultaneously transmitting biomedical data and human voice over conventional telephone lines | |||
761 | 6219407 | Apparatus and method for improved digit recognition and caller identification in telephone mail messaging | |||
762 | 6219378 | Digital subscriber line modem initialization | |||
763 | 6215793 | Initialization protocol for adaptive data rates, and related transceiver | |||
764 | 6212274 | Line powered modem | |||
765 | 6212263 | 5 volts single power supply ADSL analog front end design | |||
766 | 6212258 | Device for remotely testing a twisted pair transmission line | |||
767 | 6212227 | Constant envelope modulation for splitterless DSL transmission | |||
768 | 6208718 | Emergency interrupt technique | |||
769 | 6205124 | Multipoint digital simultaneous voice and data system | |||
770 | 6201865 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable time constants | |||
771 | 6198816 | Capacitively coupled ring detector with power provided across isolation barrier | |||
772 | 6195414 | Digital facility simulator with CODEC emulation | |||
773 | 6195364 | VSDL multiple service provider interface | |||
774 | 6191717 | Analog isolation system with digital communication across a capactive barrier | |||
775 | 6188978 | Voice encoding/decoding apparatus coping with modem signal | |||
776 | 6188669 | Apparatus for statistical multiplexing and flow control of digital subscriber loop modems | |||
777 | 6181778 | Chronological telephone system | |||
778 | 6181775 | Dual test mode network interface unit for remote testing of transmission line and customer equipment | |||
779 | 6181735 | Modem equipped with a smartcard reader | |||
780 | 6181711 | System and method for transporting a compressed video and data bit stream over a communication channel | |||
781 | 6178199 | DCE controlled V.8 bis negotiation | |||
782 | 6178179 | System and method for linking a VDSL based distribution system with an xDSL based system | |||
783 | 6173054 | Adaptive call progress tone detection system | |||
784 | 6173044 | Multipoint simultaneous voice and data services using a media splitter gateway architecture | |||
785 | 6172985 | Automatic detection of pots line | |||
786 | 6169801 | Digital isolation apparatus and method | |||
787 | 6169792 | Method and apparatus for implementing automatic number identification system for DAA | |||
788 | 6169788 | Communication server apparatus having distributed switching and method | |||
2000 | |||||
789 | 6167134 | External resistor and method to minimize power dissipation in DC holding circuitry for a communication system | |||
790 | 6167132 | Analog successive approximation (SAR) analog-to-digital converter (ADC) | |||
791 | 6167121 | Modem apparatus | |||
792 | 6167055 | Apparatus for provision of broadband signals over installed telephone wiring | |||
793 | 6163601 | Communications data terminal capable of performing a plurality of communication controls | |||
794 | 6163599 | Communication server apparatus and method | |||
795 | 6163570 | Methods and apparatus for verifying transmit power levels in a signal point limited transmission system | |||
796 | 6161203 | Communication system utilizing Reed-Solomon code to achieve auto frame synchronization acquistion | |||
797 | 6161201 | Method and apparatus for concurrent interaction with a modem having an open connection | |||
798 | 6161011 | Hybrid fiber coax communications systems | |||
799 | 6160885 | Caller ID circuit powered through hookswitch devices | |||
800 | 6160872 | Apparatus and method for preventing disconnection of consumer premises equipment | |||
801 | 6160843 | Communication server apparatus providing XDSL services and method | |||
802 | 6154528 | System and method for storing and transferring information tokens in a low network communication | |||
803 | 6154524 | Method and apparatus for automatically and adaptively adjusting telephone audio quality and DSL data rate in a DSL system | |||
804 | 6151335 | Modulation switching for DSL signal transmission | |||
805 | 6151333 | Data/voice/fax compression multiplexer | |||
806 | 6148006 | Communication system architecture, exchange having a plurality of broadband modems and method of supporting broadband operation on a one to one basis | |||
807 | 6147973 | Signal discrimination apparatus, a method for discriminating a signal, and a signal transmitting apparatus for voiceband signals | |||
808 | 6144735 | Filters for a digital subscriber line system for voice communication over a telephone line | |||
809 | 6144734 | Low-pass filters for splitterless pots and data transmission | |||
810 | 6144733 | Ring filter for pots communication system | |||
811 | 6144659 | Telecommunication equipment support of high speed data services | |||
812 | 6144326 | Digital isolation system with ADC offset calibration | |||
813 | 6141706 | Communication method for redirecting information to another port | |||
814 | 6141414 | Data access arrangement having combined remote hang-up/ring detection circuitry | |||
815 | 6141403 | Modem protocol | |||
816 | 6141377 | Method and apparatus for voice frequency noise reduction in splitterless ADSL | |||
817 | 6141356 | System and method for distributing voice and data information over wireless and wireline networks | |||
818 | 6141340 | Method for multi-media transactions | |||
819 | 6141339 | Telecommunications system | |||
820 | 6138190 | Analog front end and digital signal processing device and method | |||
821 | 6137880 | Passive splitter filter for digital subscriber line voice communication for complex impedance terminations | |||
822 | 6137866 | Indoor XDSL splitter assembly | |||
823 | 6137865 | Transmission and reception of data over a home network implemented upon a phone line system | |||
824 | 6137863 | Statistical database correction of alphanumeric account numbers for speech recognition and touch-tone recognition | |||
825 | 6137839 | Variable scaling of 16-bit fixed point fast fourier forward and inverse transforms to improve precision for implementation of discrete multitone for asymmetric digital subscriber loops | |||
826 | 6137827 | Isolation system with digital communication across a capacitive barrier | |||
827 | 6134609 | Method for using computer system memory as a modem data buffer by transferring modem I/O data directly to system controller and transferring corresponding system controller data directly to main memory | |||
828 | 6134266 | Modem system with voice message function | |||
829 | 6133940 | Telephone web browser arrangement and method | |||
830 | 6131136 | Dual mode modem for automatically selecting between wireless and wire-based communication modes | |||
831 | 6130893 | Method and apparatus for multiplexing telephone lines over a common access network | |||
832 | 6130879 | Access and setup process for end-to-end data and analog voice connections | |||
833 | 6128373 | Programmable data access arrangement having combined command signals | |||
834 | 6128371 | Multiple-service offering communication terminal and multiple-service offering apparatus | |||
835 | 6128300 | Line card with modem interace | |||
836 | 6125139 | Narrowband digital cordless telephone | |||
837 | 6122765 | Receiving apparatus, receiving method, transmission system and transmission method | |||
838 | 6122349 | System and method for downloading an ADSI feature via the internet | |||
839 | 6118857 | Modem | |||
840 | 6118768 | Apparatus and methods for use therein for an ISDN LAN modem utilizing browser-based configuration with adaptation of network parameters | |||
841 | 6118766 | Multiple ISDN carrier system | |||
842 | 6115466 | Subscriber line system having a dual-mode filter for voice communications over a telephone line | |||
843 | 6112269 | Modem interface unit with power saving sleep mode | |||
844 | 6112266 | Host signal processing modem using a software circular buffer in system memory and direct transfers of samples to maintain a communication signal | |||
845 | 6108720 | Echo canceling modem which dynamically switches sizes of sample buffer between first size for quick response time and second size for robustness to interrupt latency | |||
846 | 6108414 | Circuit arrangement for the subscriber-remote termination of a subscriber line in the form of a two-lead copper line for the transmission of high bit rate data signals in addition to analog telephone signals | |||
847 | 6108406 | System and method for downloading internet based information to an adsi phone slot | |||
848 | 6108350 | Method and apparatus for detecting the protocol used by an end station and negotiating a protocol used by the endpoint | |||
849 | 6108034 | Remote image information monitor | |||
850 | 6104800 | Method for providing call waiting notification to a party engaged in a data call | |||
851 | 6104794 | Architecture for minimum loop current during ringing and caller ID | |||
852 | 6104791 | System and method for performing telephone line-in-use detection, extension pick-up detection, and remote hang-up detection in a modem | |||
853 | 6104787 | Method and apparatus for transmitting information in response to a verbal or otherwise audible request therefore | |||
854 | 6104749 | Message frame and flow control in a digital subscriber line telecommunications system | |||
855 | 6101216 | Splitterless digital subscriber line communication system | |||
856 | 6101182 | Universal access multimedia data network | |||
857 | 6097793 | WWW-telephony integration | |||
858 | 6097754 | Method of automatically detecting the baud rate of an input signal and an apparatus using the method | |||
859 | 6094441 | Apparatus and method for controlling transmission parameters of home network stations transmitting on a telephone line medium | |||
860 | 6094212 | Communication apparatus and communication method using dummy data | |||
861 | 6091722 | Subscriber loop bypass modem | |||
862 | 6091721 | Apparatus for telephone communication over plural channels | |||
863 | 6088430 | Communication server apparatus and method | |||
864 | 6088368 | Ethernet transport facility over digital subscriber lines | |||
865 | 6084885 | Apparatus and method for DSP sharing using statistical properties of data | |||
866 | 6084881 | Multiple mode xDSL interface | |||
867 | 6081841 | Method and apparatus for expanding data rate in an ISDN communication system | |||
868 | 6081587 | Modem with ring detection/modem processing capability | |||
869 | 6081586 | Modem having a programmable universal data access arrangement | |||
870 | 6081584 | Data transmitting/receiving apparatus and data communication system | |||
871 | 6081533 | Method and apparatus for an application interface module in a subscriber terminal unit | |||
872 | 6081517 | Digital subscriber loop access circuit for digital switch and packet network interconnections | |||
873 | 6081510 | Method and apparatus for robust operation of data transmission during adverse radio-link conditions | |||
874 | 6075846 | Unified system for exchanging data between a terminal and access means via a telephone network, and access means, and terminal | |||
875 | 6075845 | System and method for performing telephone line-in-use detection, extension pick-up detection, and remote hang-up detection in a modem | |||
876 | 6075814 | Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem | |||
877 | 6075784 | System and method for communicating voice and data over a local packet network | |||
878 | 6073235 | Private broadcast communication system and method for private broadcast communication over a wired or wireless network | |||
879 | 6072795 | Communications node for transmitting data files over telephone networks | |||
880 | 6069899 | Home area network system and method | |||
881 | 6069879 | Method of and system architecture for high speed dual symmetric full duplex operation of asymmetric digital subscriber lines | |||
882 | 6067583 | Modular, reconfigurable components methods for wireless data transfer between a computer and a communications system | |||
883 | 6067534 | Method and equipment for the control of a data transfer connection | |||
884 | 6067353 | Method and apparatus for detecting a call waiting signal on a telephone line connected to a modem | |||
885 | 6067318 | High performance communications interface | |||
886 | 6067316 | Circuit for combined xDSL and other services | |||
887 | 6067082 | Portable communicator | |||
888 | 6064421 | Communications device within a doll | |||
889 | 6061440 | Intelligent switching system for voice and data | |||
890 | 6061434 | Video caller identification systems and methods | |||
891 | 6061392 | Apparatus and method for communicating voice and data between a customer premises and a central office | |||
892 | 6061326 | Wideband communication system for the home | |||
893 | 6058433 | System and method for providing increased throughput through a computer serial port to a modem communications port | |||
894 | 6058168 | Method and microcomputer system for the automatic, secure and direct transmission of data | |||
895 | 6058115 | Communication method and apparatus utilizing protocol options | |||
896 | 6058110 | Bypassing telephone network with dual band modem | |||
897 | 6057887 | Method and apparatus for receiving a DTMF signal and displaying a figure based upon coordinate data obtained from the DTMF signal | |||
898 | 6055591 | Modem interface unit | |||
899 | 6055268 | Multimode digital modem | |||
900 | 6052446 | Communication device that identifies and stores and incoming signal and transmits the signal to a computer | |||
901 | 6052411 | Idle mode for digital subscriber line | |||
902 | 6049605 | Telephone line access arrangement | |||
903 | 6049596 | Individualized system for exchanging data between a terminal and access means via a telephone network, and terminal, and access means | |||
904 | 6049595 | Modem apparatus with storage means for storing communication program, and communication system with modem apparatus | |||
905 | 6049565 | Method and apparatus for audio communication | |||
906 | 6047173 | Call box with keyboard communication | |||
907 | 6047006 | Method and apparatus for dynamically allocating bandwidth to independent data and audio devices | |||
908 | 6044422 | Modem for connection to a telephone line through a either portable computer connector or a docking station via an isolation circuit | |||
909 | 6044107 | Method for interoperability of a T1E1.4 compliant ADSL modem and a simpler modem | |||
910 | 6041105 | Adapter circuitry for computers to support computer telephony | |||
911 | 6038425 | Audio/video signal redistribution system | |||
912 | 6038294 | Method and apparatus for configuring a modem capable of operating in a plurality of modes | |||
913 | 6038251 | Direct equalization method | |||
914 | 6035020 | Modem data call bypass of a telephone network voice switch | |||
915 | 6035019 | Communication control device which converts modem commands into telephone control function to communicate and command conversion method thereof | |||
916 | 6034992 | High-speed PC modem connection system | |||
917 | 6032193 | Computer system having virtual circuit address altered by local computer to switch to different physical data link to increase data transmission bandwidth | |||
918 | 6032053 | Signaling the type of incoming telephone calls | |||
919 | 6031897 | Apparatus and method for user tone warning during data suspension or degradation | |||
920 | 6031867 | Modem with firmware upgrade feature | |||
921 | 6029203 | Apparatus and methods for use therein for an ISDN LAN modem that provides enhanced network activity | |||
922 | 6028867 | System, method, and network for providing high speed remote access from any location connected by a local loop to a central office | |||
923 | 6028848 | Apparatus and methods for use therein for an ISDN LAN modem utilizing internal DNS and DHCP servers for transparent translation of local host names to IP addresses | |||
924 | 6026308 | Combination cordless phone-fax modem-computer | |||
925 | 6026085 | Architecture to support a single system image across multiple network access servers | |||
926 | 6026079 | Modem to support multiple site call conferenced data communications | |||
927 | 6021184 | Telephone apparatus, modem device, computer apparatus, and communication terminal device | |||
928 | 6021182 | Method and system for increasing the efficiency with which connections are made across a communication line | |||
929 | 6021167 | Fast equalizer training and frame synchronization algorithms for discrete multi-tone (DMT) system | |||
930 | 6021158 | Hybrid wireless wire-line network integration and management | |||
931 | 6021129 | System and method for communicating information from a communications link to a host using a universal serial bus | |||
932 | 6016316 | Hybrid access system employing packet suppression scheme | |||
933 | 6014431 | Communication server apparatus having four-wire switching interface and method | |||
1999 | |||||
934 | 6009151 | PC card modem with microphone and speaker connectivity | |||
935 | 6009082 | Computer-based multifunction personal communication system with caller ID | |||
936 | 6005923 | Full featured data access arrangement for use with modems | |||
937 | 6005850 | Hybrid access system with remote device monitoring scheme | |||
938 | 6002722 | Multimode digital modem | |||
939 | 6002682 | Dual band bypass modem | |||
940 | 6002681 | Dual band modem | |||
941 | 5999565 | Data communication using a modifiable number of XDSL modems | |||
942 | 5999563 | Rate negotiation for variable-rate digital subscriber line signaling | |||
943 | 5999526 | Method and apparatus for delivering data from an information provider using the public switched network | |||
944 | 5995598 | Phone line LAN | |||
945 | 5991723 | Method and apparatus for translating text and speech transferred over a telephony or similar network | |||
946 | 5991335 | Method and system for line isolation | |||
947 | 5991292 | Network access in multi-service environment | |||
948 | 5991140 | Technique for effectively re-arranging circuitry to realize a communications service | |||
949 | 5987061 | Modem initialization process for line code and rate selection in DSL data communication | |||
950 | 5982814 | Dynamic control of processor utilization by a host signal processing modem | |||
951 | 5982785 | Combination conventional telephony and high-bit-rate digital channel transmission system comprising high pass filters which comprise both first order and second order high pass filters | |||
952 | 5982784 | Bandwidth sharing for remote and local data transfers using multicarrier modulation over common transmission medium | |||
953 | 5982768 | Dual band modem for high bandwidth communications | |||
954 | 5978453 | Method and apparatus for switching to a modem in a key telephone | |||
955 | 5974139 | Line isolation device for asymmetrical digital subscriber line | |||
956 | 5974130 | Transparent call discrimination (TCD) method and apparatus | |||
957 | 5974116 | Personal interpreter | |||
958 | 5974043 | System and method for communicating information using the public switched telephone network and a wide area network | |||
959 | 5970090 | Computer system for use with a wireless data communication network | |||
960 | 5970088 | Reverse channel next cancellation for MDSL modem pool | |||
961 | 5970066 | Virtual ethernet interface | |||
962 | 5969836 | Method and apparatus for simultaneous transmission of digital telephony and analog video over a single optic fiber using wave division multiplexing | |||
963 | 5966430 | Communication apparatus capable of communicating data and speech selectively through single communication line | |||
964 | 5961589 | Emulation of analog modem signaling over IDSN for translation-less interoperability with PSTN based H.324 system | |||
965 | 5960067 | Apparatus and method for parallel transmission of data over a telephone line | |||
966 | 5960066 | Method and apparatus for using telephone house wiring for voice/data network | |||
967 | 5960065 | Two-line telephone controller with hold feature | |||
968 | 5959997 | Hybrid access system with AGC control of upstream channel transmit power | |||
969 | 5959260 | Method for entering handwritten information in cellular telephones | |||
970 | 5956323 | Power conservation for pots and modulated data transmission | |||
971 | 5953397 | Computer system with mode switching function and method of controlling the same | |||
972 | 5953395 | Communication apparatus using telephone network | |||
973 | 5953373 | Equalizing circuit and method for data communication terminal equipment | |||
974 | 5949857 | Telephone DTMF signal accessible data processor with calculator program | |||
975 | 5949762 | Apparatus and method for processing multiple telephone calls | |||
976 | 5949473 | Video transmission and control system utilizing internal telephone lines | |||
977 | 5946394 | Isolation amplifier with hook switch control | |||
978 | 5946393 | Data access arrangement | |||
979 | 5946348 | Modulator and demodulator (MODEM) | |||
980 | 5946322 | Hybrid access system utilizing credit/done polling protocols | |||
981 | 5946304 | Method and apparatus for controlling the operation of a modem capable of transmitting and receiving both voice and data signals | |||
982 | 5941829 | Concurrent medical patient data and voice communication method and apparatus | |||
983 | 5940627 | User selectable feature set for a flash ROM based peripheral | |||
984 | 5940489 | Method and apparatus for detecting and recovering from call waiting interruptions to modem communications | |||
985 | 5937041 | System and method for retrieving internet data files using a screen-display telephone terminal | |||
986 | 5936963 | System to implement a switched ethernet service within a geographically distributed region using asymmetric full duplex circuits | |||
987 | 5931950 | Wake-up-on-ring power conservation for host signal processing communication system | |||
988 | 5931929 | Modem for connection to a telephone line through a either portable computer connector or a docking station | |||
989 | 5930527 | Apparatus for resetting a modem with a variety of additional functions | |||
990 | 5930341 | ADSI web browser for retrieving internet data files | |||
991 | 5930340 | Device and method for isolating voice and data signals on a common carrier | |||
992 | 5926506 | Method and apparatus for automatically recognizing a modem type of a modem connected to terminal equipment and for automatically adapting the terminal equipment to the recognized modem type | |||
993 | 5925114 | Modem implemented in software for operation on a general purpose computer having operating system with different execution priority levels | |||
994 | 5923738 | System and method for retrieving internet data files using a screen-display telephone terminal | |||
995 | 5923736 | Hypertext markup language based telephone apparatus | |||
996 | 5917895 | Adjunct arrangement for a telecommunication device | |||
997 | 5915228 | Terminal apparatus, radio communication terminal, and information input method | |||
998 | 5915002 | Communication device | |||
999 | 5915000 | Text teletype writer with caller identification function | |||
1000 | 5912895 | Information network access apparatus and methods for communicating information packets via telephone lines | |||
1001 | 5912888 | Digital network access server | |||
1002 | 5910978 | Audio/modem interface unit | |||
1003 | 5910970 | MDSL host interface requirement specification | |||
1004 | 5910959 | Control channel for modems | |||
1005 | 5909482 | Relay for personal interpreter | |||
1006 | 5907605 | Dual format caller ID for both FSK and DTMF caller ID formats | |||
1007 | 5905794 | Caller identification interface using line reversal detection | |||
1008 | 5905781 | Communication server apparatus and method | |||
1009 | 5905780 | Electronic mail system | |||
1010 | 5905476 | ITU/TDD modem | |||
1011 | 5903624 | Data terminal for telephone circuits | |||
1012 | 5903603 | Modem training apparatus and method | |||
1013 | 5903602 | Method for controlling a modem connection in the event of disturbance | |||
1014 | 5901210 | Method and apparatus for implementing automatic number identification system for DAA | |||
1015 | 5901205 | Adaptive voice and data bandwidth management system for multiple-line digital subscriber loop data communications | |||
1016 | 5898761 | Communication server apparatus using digital signal switching and method | |||
1017 | 5896444 | Method and apparatus for managing communications between a client and a server in a network | |||
1018 | 5896443 | Phone line computer networking | |||
1019 | 5896415 | Device for out-of-band transmission on computer peripheral | |||
1020 | 5896372 | Method and apparatus for creating virtual high bandwidth data channels | |||
1021 | 5894508 | Automatic power control apparatus of a PC mounted fax/modem | |||
1022 | 5892768 | 10/100-base ethernet to T1/E1 HDSL converter and method of operation | |||
1023 | 5892756 | Portable telecommunication network testing device | |||
1024 | 5889856 | ADSL integrated line card with digital splitter and POTS CODEC without bulky analog splitter | |||
1025 | 5889841 | Modem with noise eliminating circuit | |||
1026 | 5887026 | Transmission level setting circuit and modem unit using the same | |||
1027 | 5886997 | Mobile apparatus for performing data communication and presenting a display in accordance with the status of the data communication | |||
1028 | 5884032 | System for coordinating communications via customer contact channel changing system using call centre for setting up the call between customer and an available help agent | |||
1029 | 5883941 | HDSL and POTS carrier system | |||
1030 | 5881300 | Method and system for saving power in a computer system having a communication device | |||
1031 | 5881141 | Data communication circuit and method using telephone system | |||
1032 | 5881102 | Method and apparatus for minimizing modem power while maximizing modem throughput | |||
1033 | 5878120 | Mechanism and method for multiplexing voice and data over a signal carrier with high bandwidth efficiency | |||
1034 | 5878047 | Apparatus for provision of broadband signals over installed telephone wiring | |||
1035 | 5875235 | Transformerless data access arrangement | |||
1036 | 5873039 | Cellular telephone-modem interface for data communication | |||
1037 | 5872837 | System and method for transmitting data and commands using a telephone | |||
1038 | 5872835 | Data interface circuit for portable terminal equipment | |||
1039 | 5870609 | Technique for bootstrapping executable code to an adapter | |||
1040 | 5870465 | Telephony adapter system for providing a user with a virtual presence to an office | |||
1041 | 5870458 | Automatic facsimile/data/voice switch | |||
1042 | 5870457 | Method and system for transferring a data modem call | |||
1043 | 5870046 | Analog isolation system with digital communication across a capacitive barrier | |||
1044 | 5867575 | Optimized interface between audio/modem board and sound board | |||
1045 | 5867209 | Television telephone which displays image data having a first precision degree and image data having a second precision degree on a respective display region of a display screen | |||
1046 | 5864763 | Digital wireless telephone system interface for analog telecommunications equipment | |||
1047 | 5864714 | Communication system which dynamically switches sizes of sample buffer between first size for quick response time and second size for robustness to interrupt latency | |||
1048 | 5864560 | Method and apparatus for mode switching in a voice over data computer-based personal communications system | |||
1049 | 5862474 | Programmable wireless modem | |||
1050 | 5862211 | Automatic simultaneous voice-and-data call setup for remote-site servicing | |||
1051 | 5861873 | Modular portable computer with removable pointer device | |||
1052 | 5859913 | Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies | |||
1053 | 5859904 | Methods and systems for connecting multiple telephone lines between two stations | |||
1054 | 5859872 | High speed communications system for analog subscriber connections | |||
1055 | 5859852 | Hybrid access system with automated client-side configuration | |||
1998 | |||||
1056 | 5854830 | Concurrent voice and data communication | |||
1057 | 5854828 | Telephone customer support utility | |||
1058 | 5852655 | Communication server apparatus having distributed switching and method | |||
1059 | 5852631 | System and method for establishing link layer parameters based on physical layer modulation | |||
1060 | 5850436 | Communication between a telephone and a computer system | |||
1061 | 5850431 | Facsimile/voice phone combined device producing DTMF oscillation sound when pushing fax dial buttons | |||
1062 | 5848150 | Passive distributed filter system and method | |||
1063 | 5848137 | Device and method for processing multimedia message | |||
1064 | 5844979 | Intelligent switching system for voice and data | |||
1065 | 5844596 | Two-way RF communication at points of convergence of wire pairs from separate internal telephone networks | |||
1066 | 5841842 | Telephone call routing and switching techniques for data communications | |||
1067 | 5841841 | Networking computers via shared use of voice telephone lines | |||
1068 | 5841840 | Multiple line modem and method for providing voice on demand | |||
1069 | 5841836 | Network termination equipment | |||
1070 | 5835732 | Miniature digital assistant having enhanced host communication | |||
1071 | 5835578 | Modem with ring detection/modem processing capability | |||
1072 | 5835538 | High speed communications system for analog subscriber connections | |||
1073 | 5835480 | Circuitry and method for simultaneously transmitting voice and data information | |||
1074 | 5828655 | Hybrid access system with quality-based channel switching | |||
1075 | 5822692 | Data communication device | |||
1076 | 5822406 | Switching circuit for automatically routing audio and data signals between a modem, telephone, and I/O devices | |||
1077 | 5822328 | Frame synchronization mechanism for digital simultaneous voice/data modems | |||
1078 | 5818913 | Method and Apparatus for multiplexing voice data over a single DTE/DCE link | |||
1079 | 5818845 | Hybrid access system having channel allocation and prioritized polling schemes | |||
1080 | 5815682 | Device independent modem interface | |||
1081 | 5815503 | Digital simultaneous voice and data mode switching control | |||
1082 | 5812786 | Variable rate and variable mode transmission system | |||
1083 | 5812534 | Voice over data conferencing for a computer-based personal communications system | |||
1084 | 5809112 | Telecommunications relay system | |||
1085 | 5809110 | Technique of controlling telephone calls | |||
1086 | 5809075 | High speed communications system for analog subscriber connections | |||
1087 | 5809068 | PCMCIA modem | |||
1088 | 5805678 | Cordless subunit facsimile system | |||
1089 | 5805669 | Rate adaptaptive subscriber line ("RADSL") modem and method of operation | |||
1090 | 5805636 | Method and apparatus for simultaneous voice, data, and video communication in a computer system | |||
1091 | 5802483 | Method and apparatus for transmission of data and voice | |||
1092 | 5802304 | Automatic dialer responsive to network programming interface access | |||
1093 | 5802152 | Modem speed dialer circuit | |||
1094 | 5802151 | Telephone interface protection circuit and modem using same | |||
1095 | 5802150 | Communication control board with audio functions | |||
1096 | 5801757 | Interactive communication device | |||
1097 | 5801695 | High speed communications system for analog subscriber connections | |||
1098 | 5799069 | Method and apparatus for dynamically adapting the clock rate and data transfer rate of phone-line powered modems. | |||
1099 | 5799068 | Smart phone integration with computer systems | |||
1100 | 5799067 | Smart phone integration with computer systems | |||
1101 | 5799064 | Apparatus and method for interfacing between a communications channel and a processor for data transmission and reception | |||
1102 | 5797098 | User interface for cellular telephone | |||
1103 | 5796716 | Method and apparatus for simultaneous voice/data transmission | |||
1104 | 5793989 | Dual function interface for PCMCIA compatible peripheral cards and method of use therein | |||
1105 | 5793957 | Satellite digital assistant and host/satellite computer system wherein coupling the host and the satellite by a host interface communication system results in digital communication and synchronization of files | |||
1106 | 5793847 | Method and apparatus for transferring a data call | |||
1107 | 5793843 | Method and apparatus for transmission of data and voice | |||
1108 | 5790656 | Data access arrangement with telephone interface | |||
1109 | 5790548 | Universal access multimedia data network | |||
1110 | 5790532 | Voice over video communication system | |||
1111 | 5787363 | System and method for connect message synchronization of modems in a cellular data gateway | |||
1112 | 5787155 | Priority line switching system | |||
1113 | 5787152 | Computer communications device | |||
1114 | 5787116 | Apparatus and method for detecting amplitude modulated answer back toned signals | |||
1115 | 5787088 | Method and system for interoperating between ISDN and PSTN transport for allowing simultaneous transmission of voice and data over one telephone line | |||
1116 | 5786776 | Character input terminal device and recording apparatus | |||
1117 | 5783999 | Audio warning device for use with a line current protection circuit in a PCMCIA-architecture modem card | |||
1118 | 5781617 | Communication server apparatus using frequency multiplexing and method | |||
1119 | 5781598 | System and method of asynchronous data transfer through a plurality of modems | |||
1120 | 5777836 | Line current protection circuit and method for use with a PCMCIA-architecture modem card | |||
1121 | 5774541 | Optically-coupled data access arrangement and transhybrid | |||
1122 | 5771281 | Serial-port powered caller identification computer interface | |||
1123 | 5771278 | Method and apparatus for minimizing system oscillations caused by acoustical coupling | |||
1124 | 5771277 | Elevator car modem with transhybrid rejection | |||
1125 | 5768351 | Method and apparatus for connecting a telephone to a voice capable modem | |||
1126 | 5768350 | Real-time and non-real-time data multplexing over telephone lines | |||
1127 | 5765021 | Computer system having second program for transferring data between second port connected to a first port and the software portion of a modem | |||
1128 | 5764918 | Communications node for transmitting data files over telephone networks | |||
1129 | 5764736 | Method for switching between a data communication session and a voice communication session | |||
1130 | 5764694 | Self-testing and evaluation system | |||
1131 | 5764629 | Method and apparatus for avoiding collisions in an electronic business set terminal | |||
1132 | 5764628 | Dual port interface for communication between a voice-over-data system and a conventional voice system | |||
1133 | 5764627 | Method and apparatus for a hands-free speaker phone | |||
1134 | 5761292 | Simultaneous transfer of control information with voice and data over a public switched telephone network line | |||
1135 | 5761281 | Telephone call routing and switching techniques for data communications | |||
1136 | 5761280 | Telephone web browser arrangement and method | |||
1137 | 5758081 | Computing and communications transmitting, receiving system, with a push button interface, that is continously on, that pairs up with a personal computer and carries out mainly communications related routine tasks | |||
1138 | 5757893 | Modem apparatus comprising ringing signal detector for outputting detection signal to modem circuit in response to instruction data from computer | |||
1139 | 5757890 | Data link for multi-player game system using telephone lines | |||
1140 | 5757803 | Pots splitter assembly with improved transhybrid loss for digital subscriber loop transmission | |||
1141 | 5757801 | Advanced priority statistical multiplexer | |||
1142 | 5757788 | Digital radio communication system with efficient audio and non-audio data transmission | |||
1143 | 5756280 | Multimedia distribution network including video switch | |||
1144 | 5754589 | Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system | |||
1145 | 5754554 | Telephone apparatus for multiplexing digital speech samples and data signals using variable rate speech coding | |||
1146 | 5751796 | Rapid startup protocol for communication between a plurality of modems | |||
1147 | 5751718 | Simultaneous transfer of voice and data information using multi-rate vocoder and byte control protocol | |||
1148 | 5748876 | System and method for testing acoustic modems with semantically encoded waveforms | |||
1149 | 5748719 | Relay circuit for telephone interface | |||
1150 | 5742773 | Method and system for audio compression negotiation for multiple channels | |||
1151 | 5742670 | Passive telephone monitor to control collaborative systems | |||
1152 | 5742417 | Data access arrangement having improved transmit-receive separation | |||
1153 | 5737708 | Method for handling unrecognizable commands in a wireless environment | |||
1154 | 5737540 | Data communication system through personal computers and terminal adapter therefor | |||
1155 | 5737397 | Modem having separate modem engine and data access arrangement | |||
1156 | 5737394 | Portable telephone apparatus having a plurality of selectable functions activated by the use of dedicated and/or soft keys | |||
1157 | 5732104 | Signalling techniques and device for high speed data transmission over voiceband channels | |||
1158 | 5729573 | High performance communications interface | |||
1159 | 5726767 | Automatic facsimile signal analyzing apparatus for a telephone exchange system | |||
1160 | 5724413 | Host computer digital signal processing system for communicating over voice-grade telephone channels | |||
1161 | 5724405 | Text enhanced telephony | |||
1162 | 5724356 | Advanced bridge/router local area network modem node | |||
1163 | 5722085 | Terminal adapter, switching equipment ancillary device and data communication system | |||
1164 | 5721837 | Micro-personal digital assistant including a temperature managed CPU | |||
1165 | 5721830 | Host signal processing communication system that compensates for missed execution of signal maintenance procedures | |||
1166 | 5717752 | Data access arrangement | |||
1167 | 5717751 | Telephone apparatus and private branch exchange apparatus | |||
1168 | 5715300 | Method for establishing data connections in an auxiliary exchange communications installation | |||
1169 | 5712977 | Method and apparatus for initial country selection in a universal modem with cable | |||
1170 | 5710806 | Telecommunications device for the hearing impaired with telephone, text communication and answering, and automated voice carryover | |||
1171 | 5704364 | Concurrent medical patient data and voice communication method and apparatus | |||
1997 | |||||
1172 | 5701338 | Call box with keyboard communication | |||
1173 | 5699414 | Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person | |||
1174 | 5699413 | Voice data modem, voice data method and voice data modem system | |||
1175 | 5699405 | Modem card for portable radiophone | |||
1176 | 5696660 | Line current protection circuit for use with a PCMCIA-architecture modem card | |||
1177 | 5696600 | Modem device for use with a facsimile machine combined with a PC | |||
1178 | 5692199 | Personal digital assistant module having a host interconnect bus without an interrupt line and which handles interrupts as addresses associated with specific interrupts in memory | |||
1179 | 5692040 | Method of and apparatus for exchanging compatible universal identification telephone protocols over a public switched telephone network | |||
1180 | 5692035 | Method and apparatus for multiplexing voice and data on a single analog-loop telephone line | |||
1181 | 5689654 | Digital assistant system including a host computer with a docking bay for the digital assistant wherein a heat sink is moved into contact with a docked digital assistant for cooling the digital assistant | |||
1182 | 5687222 | ITU/TDD modem | |||
1183 | 5687221 | Information processing apparatus having speech and non-speech communication functions | |||
1184 | 5684864 | Information communicating apparatus usable as printer of information | |||
1185 | 5684825 | Independently switched voice and data calls using a simultaneous voice and data modem | |||
1186 | 5682419 | Method and apparatus for providing infrastructure call support | |||
1187 | 5682386 | Data/voice/fax compression multiplexer | |||
1188 | 5680126 | Modular portable computer | |||
1189 | 5677946 | Adapter for connecting a modem to a digital private branch exchange | |||
1190 | 5675831 | Method for automatic installation of a modem wherein unique identification for the device registry is computed from modem responses to queries by the system | |||
1191 | 5673392 | Method of executing communication program in modem apparatus | |||
1192 | 5673268 | Modem resistant to cellular dropouts | |||
1193 | 5673257 | Computer-based multifunction personal communication system | |||
1194 | 5671251 | Apparatus and method for a data communications device to selectively operate as an analog modem, as a digital modem, and as a terminal adapter | |||
1195 | 5668857 | Communication server apparatus and method | |||
1196 | 5668738 | Dynamic idle aggregation in digital signal transmission | |||
1197 | 5666403 | Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person | |||
1198 | 5666402 | Fiber optic telephone line extension system | |||
1199 | 5661718 | Simultaneous analog and digital communication | |||
1200 | 5661568 | Data communication apparatus | |||
1201 | 5657379 | Data communication apparatus and method for performing noiseless data communication using a spread spectrum system | |||
1202 | 5657371 | Connector assembly for a radio telephone and a computer | |||
1203 | 5657345 | Computer system for use with a wireless data communication network | |||
1204 | 5655010 | Line-powered modem with capacitive isolation | |||
1205 | 5655009 | Modem unit | |||
1206 | 5654984 | Signal modulation across capacitors | |||
1207 | 5651060 | Method and apparatus for detecting and recovering from call waiting interruptions to modem communications | |||
1208 | 5651057 | Method of communicating data from remote devices to a central computer via a telecommunications link | |||
1209 | 5650999 | Voice over data communication system | |||
1210 | 5646983 | Host computer digital signal processing system for communicating over voice-grade telephone channels | |||
1211 | 5646940 | System for simultaneous analog and digital communications over an analog channel | |||
1212 | 5644594 | Power-conserving modem | |||
1213 | 5644593 | High performance communications interface | |||
1214 | 5642409 | Facsimile apparatus | |||
1215 | 5640444 | Methods and apparatus for controlling data transmission using radio devices | |||
1216 | 5640302 | Modular portable computer | |||
1217 | 5638427 | Operator-controlled interactive communication device | |||
1218 | 5636282 | Method for dial-in access security using a multimedia modem | |||
1219 | 5636209 | Modem to support multiple site call conferenced data communications | |||
1220 | 5636037 | Modem unit | |||
1221 | 5634080 | Hand-held portable computer having an electroluminescent flat-panel display with pixel elements at right angles to the plane of the display and an excitation direction parallel to the plane of the display | |||
1222 | 5633920 | Smart phone | |||
1223 | 5631745 | Multi-function telecommunications instrument | |||
1224 | 5631651 | Telecom adapter for interfacing computing devices to the analog telephone network | |||
1225 | 5628031 | Personal digital assistant module implemented as a low-profile printed circuit assembly having a rigid substrate wherein IC devices are mounted within openings wholly between opposite plane surfaces of the rigid substrate | |||
1226 | 5628030 | Virtual modem driver apparatus and method | |||
1227 | 5627833 | Digital added main line system with power-up and power-down features | |||
1228 | 5627539 | Bidirectional signalling mechanism for interfacing computing devices to the analog telephone network | |||
1229 | 5627530 | Device operable as a TDD and a standard computer keyboard | |||
1230 | 5627501 | Signal coupler with automatic common line attenuation compensation | |||
1231 | 5625775 | Modem communication interface in a data processing system | |||
1232 | 5625679 | Telephone handset interface for alternating voice-data (AVD) modem | |||
1233 | 5625678 | Method and system for allowing switched voice and data communication among multiple application programs | |||
1234 | 5625677 | Simultaneous voice and data communications | |||
1235 | 5625643 | Modulator and demodulator apparatus | |||
1236 | 5623514 | IC card-type modem and method for communicating data by IC card-type modem | |||
1237 | 5619725 | Method for auxiliary software providing instruction for facsimile modem to simulate a telephone communication while connecting to store and forward computer to receive communication | |||
1238 | 5619563 | Mnemonic number dialing plan | |||
1239 | 5619508 | Dual port interface for a computer-based multifunction personal communication system | |||
1240 | 5617423 | Voice over data modem with selectable voice compression | |||
1241 | 5617291 | Compact modem system suitable for a notebook or other small computer | |||
1242 | 5615393 | Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module | |||
1243 | 5615297 | Transmission system for coded speech signals and/or voiceband data | |||
1244 | 5610922 | Voice plus 4-wire DDS multiplexer | |||
1245 | 5608725 | Method and apparatus of a communications system having a DMT infrastructure | |||
1246 | 5606599 | Method and apparatus for automatically converting from an analog voice mode to a simultaneous voice and data mode for a multi-modal call over a telephone line | |||
1247 | 5604794 | Switch system for directing call from a calling to a receiving instrument | |||
1248 | 5604786 | Telephone with unified features for hearing and deaf users | |||
1249 | 5602846 | Simultaneous voice and data call establishment using a simultaneous voice and data modem pool and private branch exchange facilities | |||
1250 | 5600800 | Personal computer system having a docking bay and a hand-held portable computer adapted to dock in the docking bay by a full-service parallel bus | |||
1251 | 5600715 | Integrated loop current detector apparatus for a PSTN modem | |||
1252 | 5600712 | Enabling technique for quickly establishing high speed PSTN connections in telecommuting applications | |||
1253 | 5600649 | Digital simultaneous voice and data modem | |||
1254 | 5598401 | Apparatus and method for a digital data communications device to operate in an analog mode | |||
1255 | 5596629 | Data transmission over a communication line | |||
1256 | 5592586 | Voice compression system and method | |||
1257 | 5592538 | Telecommunication device and method for interactive voice and data | |||
1996 | |||||
1258 | 5590382 | Personal digital assistant module having a multi-portion keyboard with inductive coupling | |||
1259 | 5588054 | Power conservation system for a modem in a computer system | |||
1260 | 5586121 | Asymmetric hybrid access system and method | |||
1261 | 5583922 | Telecommunication system for automatic switching between voice and visual data communications using forms | |||
1262 | 5583921 | Data transmitting/receiving apparatus and data communication system | |||
1263 | 5581593 | Combination telephone and alphanumeric entry device | |||
1264 | 5581560 | Communication apparatus and method for simultaneous communication of audio and data signals with improved audio control | |||
1265 | 5579489 | Hand-held portable computer having capability for external expansion of an internal bus | |||
1266 | 5579369 | Facility type determination technique | |||
1267 | 5579144 | Data access arrangement having improved transmit-receive separation | |||
1268 | 5577105 | Telephone call routing and switching techniques for data communications | |||
1269 | 5577041 | Method of controlling a personal communication system | |||
1270 | 5574776 | Call redirection feature for relay services | |||
1271 | 5574725 | Communication method between a personal computer and communication module | |||
1272 | 5572572 | Computer and telephone apparatus with user friendly interface and enhanced integrity features | |||
1273 | 5572524 | Digital-transmission/analog-transmission changeover apparatus | |||
1274 | 5568481 | Communication line adapter and the method thereof | |||
1275 | 5563932 | Communication apparatus connectable to switching network providing distinctive ringing pattern service | |||
1276 | 5563908 | Modulator and demodulator apparatus | |||
1277 | 5561710 | Interactive voice communication terminal with alpha and numeric keypad | |||
1278 | 5559869 | Carbon microphone interface for a modem | |||
1279 | 5559793 | Echo cancellation system and method | |||
1280 | 5559792 | Sound modification for use in simultaneous voice and data communications | |||
1281 | 5555300 | Telephone handset microphone level adjustment | |||
1282 | 5555293 | Optically-coupled data access arrangement and transhybrid | |||
1283 | 5553123 | Method for downloading setup data via telephone to an appliance controller | |||
1284 | 5553122 | Universal wedge-type telephone adaptor for computer system | |||
1285 | 5553063 | Voice over data communication system | |||
1286 | 5550649 | Multi-function telecommunications instrument | |||
1287 | 5546448 | Apparatus and method for a caller ID modem interface | |||
1288 | 5546395 | Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem | |||
1289 | 5539616 | Modular portable computer | |||
1290 | 5537608 | Personal communicator apparatus | |||
1291 | 5537343 | Digital assistant system having a host computer with a docking bay and a moveable heat sink for cooling a docked module | |||
1292 | 5535265 | Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem | |||
1293 | 5535242 | Method and system for modem command processing during data transfer | |||
1294 | 5535204 | Ringdown and ringback signalling for a computer-based multifunction personal communications system | |||
1295 | 5533105 | Method and apparatus for emulating a telephone with a modem and headset | |||
1296 | 5532939 | Method and apparatus for data communication efficiency analysis | |||
1297 | 5532898 | Line current protection circuit for use with a PCMCIA-architecture modem card | |||
1298 | 5530718 | Method and apparatus for detecting an escape sequence in a modem | |||
1299 | 5528626 | Method and system for modem command processing during data transfer | |||
1300 | 5528595 | Modem input/output signal processing techniques | |||
1301 | 5528286 | Telecommunication system for transmitting full motion video | |||
1302 | 5528235 | Multi-status multi-function data processing key and key array | |||
1303 | 5526408 | Communication system | |||
1304 | 5524122 | System and method for adapting the transmission rate to the line quality and modem suitable for such a system | |||
1305 | 5524047 | Method and apparatus for emulating telephonic communications with a modem and headset | |||
1306 | 5522089 | Personal digital assistant module adapted for initiating telephone communications through DTMF dialing | |||
1307 | 5521967 | Method for monitoring telephone call progress | |||
1308 | 5521960 | Interactive telephonic device for `VCO` relay communication | |||
1309 | 5519767 | Voice-and-data modem call-waiting | |||
1310 | 5517557 | Facsimile apparatus with automatic telephone answering function | |||
1311 | 5515423 | Two-line telephone controller | |||
1312 | 5515373 | Telecommunications interface for unified handling of varied analog-derived and digital data streams | |||
1313 | 5513251 | Method for providing call waiting service | |||
1314 | 5513212 | Conversion of a fax modulation to a data modulation | |||
1315 | 5511074 | Voice/fax digitizing rate negotiation for switched connection in a network environment | |||
1316 | 5506900 | Temperature compensation for trans-hybrid loss in a miniaturized data access arrangement | |||
1317 | 5506891 | Method and apparatus for detecting the connection status of an extension phone connected to a voice/fax/data modem | |||
1318 | 5506868 | Modem having an improved line interface circuit, in particular for a computer | |||
1319 | 5506866 | Side-channel communications in simultaneous voice and data transmission | |||
1320 | 5504807 | Telephone apparatus with a continuously-connected DC-isolated modem | |||
1321 | 5500893 | Telephone apparatus, information processing apparatus and information communication terminal | |||
1322 | 5500859 | Voice and data transmission system | |||
1323 | 5499285 | Automated telephone system with TDD capability | |||
1324 | 5495246 | Telecom adapter for interfacing computing devices to the analog telephone network | |||
1325 | 5493610 | Circuit multiple transmission system | |||
1326 | 5493609 | Telecommunication system for automatic switching between voice and data communications | |||
1327 | 5485370 | Home services delivery system with intelligent terminal emulator | |||
1328 | 5483576 | Method and apparatus for communicating data over a radio transceiver with a modem | |||
1329 | 5481696 | Communication apparatus operative to switch dynamically between different communication configurations by indexing each set of configurables with a unique memory address | |||
1330 | 5481589 | Detection of TDD signals in an automated telephone system | |||
1995 | |||||
1331 | 5479650 | Method and apparatus for switching communications from a secondary channel to a primary channel | |||
1332 | 5479475 | Method and system for providing communication between standard terminal equipment using a remote communication unit | |||
1333 | 5475691 | Voice activated date rate change in simultaneous voice and data transmission | |||
1334 | 5473676 | Telephone handset interface for automatic switching between voice and data communications | |||
1335 | 5473675 | Call establishment for simultaneous analog and digital communications | |||
1336 | 5473631 | Simultaneous transmission of data and audio signals by means of perceptual coding | |||
1337 | 5473613 | Digital added main line system | |||
1338 | 5473552 | Scheme for isolating a computer system from a data transmission network | |||
1339 | 5471522 | Telephone line sharing for a personal computer system | |||
1340 | 5471470 | Computer-based multifunction personal communications system | |||
1341 | 5471317 | Videotex facsimile machine | |||
1342 | 5469183 | Synchronous display control apparatus | |||
1343 | 5463633 | Use of at commands to test modem with HP3065 | |||
1344 | 5463623 | Integrated wireless telecommunication and local area network system | |||
1345 | 5463616 | Method and apparatus for establishing a full-duplex, concurrent, voice/non-voice connection between two sites | |||
1346 | 5461616 | Asymmetric digital subscriber line control system | |||
1347 | 5459774 | Dialing prefix method and apparatus | |||
1348 | 5459730 | Digital added main line system | |||
1349 | 5459729 | Digital added main line system | |||
1350 | 5453986 | Dual port interface for a computer-based multifunction personal communication system | |||
1351 | 5452329 | Modem device | |||
1352 | 5452289 | Computer-based multifunction personal communications system | |||
1353 | 5452106 | Modem device for communication of facsimile or file data | |||
1354 | 5450472 | Method for handling of a call coming to terminal equipment in a digital transmission system, and a mobile telephone | |||
1355 | 5450470 | Script generator and process for programming automated TDD telephone system application | |||
1356 | 5450438 | Fallback method to 1200 bits per second for use in mobile radio | |||
1357 | 5450398 | Method of distinguishing in serial digital bit streams between at least two types of time slots in a bit stream receiver | |||
1358 | 5450069 | Data/facsimile telephone subset apparatus incorporating electrophoretic displays | |||
1359 | 5448555 | Simultaneous analog and digital communication | |||
1360 | 5446782 | Terminal connecting device having an auto data receiving function | |||
1361 | 5444770 | Telephone handset interface for automatic switching between voice and data communications | |||
1362 | 5444704 | Dial restoral method and apparatus | |||
1363 | 5440619 | Voice, data and facsimile modem with modified ringback answering | |||
1364 | 5440617 | Simple modem log-on authentication | |||
1365 | 5438614 | Modem management techniques | |||
1366 | 5438590 | Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding | |||
1367 | 5432837 | Telecommunication device for the deaf with automatic transmission capability | |||
1368 | 5430793 | Apparatus and method for configuring a computer system and a modem for use in a particular country | |||
1369 | 5428673 | Data communication apparatus having the function of automatically switching data communication and telephone communication | |||
1370 | 5428671 | Modem for tight coupling between a computer and a cellular telephone | |||
1371 | 5428608 | Call connection technique | |||
1372 | 5425080 | Transaction terminal apparatus and method using host dial string control of modem connect protocols | |||
1373 | 5422939 | Parallel off-hook detection for both line-available and phone pick-up detection | |||
1374 | 5418842 | Reduced time remote access method | |||
1375 | 5416776 | Modem backplane techniques | |||
1376 | 5414457 | Multi-media communication apparatus | |||
1377 | 5410541 | System for simultaneous analog and digital communications over an analog channel | |||
1378 | 5408614 | Modem adapter for use with standard PC parallel port | |||
1379 | 5408522 | Modem pooling system | |||
1380 | 5408520 | Modem for tight coupling between a computer and a cellular telephone | |||
1381 | 5406583 | Modem with received signals and transmitted signals comprising signal sets | |||
1382 | 5404377 | Simultaneous transmission of data and audio signals by means of perceptual coding | |||
1383 | 5404351 | Data transmission unit having a plurality of ports | |||
1384 | 5402473 | Communication device and data transmitting method | |||
1385 | 5396536 | Automatic processing of calls with different communication modes in a telecommunications system | |||
1386 | 5396486 | Data communications equipment interface leads to signal half-duplex or full-duplex operation | |||
1387 | 5392338 | Entry of alphabetical characters into a telephone system using a conventional telephone keypad | |||
1388 | 5392334 | Off-hook detection and soft line seizure for telephone line sharing in a computer system | |||
1389 | 5390239 | Method for increasing digital data throughput over telephone lines | |||
1390 | 5388154 | Alphabetic telephone dialer apparatus and method | |||
1391 | 5388146 | Automated telephone system using multiple languages | |||
1392 | 5384780 | High speed modem, method and system for achieving synchronous data compression | |||
1994 | |||||
1393 | 5377260 | Telephone circuit to control off-hook status during receipt of caller-ID signal | |||
1394 | 5377259 | Data terminal having program language support library, and related method | |||
1395 | 5375165 | Computer keyboard having both a standard keyboard mode and a telephone control mode | |||
1396 | 5375160 | Interface apparatus for effecting captioning and communications between a telephone line and a television | |||
1397 | 5369700 | Multi-function telephone apparatus and control method | |||
1398 | 5369691 | Telephonic information communication method and apparatus | |||
1399 | 5369688 | Data communication apparatus with interrupt completion detecting | |||
1400 | 5369687 | Apparatus for electrically isolating a telephone line from a data device | |||
1401 | 5369686 | Method and apparatus for secondary-option message delivery through enhanced service message handlers | |||
1402 | 5369666 | Modem with digital isolation | |||
1403 | 5367563 | Programmable universal modem system and method for using the same | |||
1404 | 5365577 | Telecommunication display system | |||
1405 | 5365576 | Data and speech transmission device | |||
1406 | 5361296 | Modem with ring detection/modem processing capability | |||
1407 | 5359648 | Escape sequence using monitoring of control signal states | |||
1408 | 5357543 | Data communication equipment | |||
1409 | 5357505 | Device for bidirectional communication on a telephone line | |||
1410 | 5355507 | Computer system for arbitrating the operation of a built-in modem and external SIO circuit | |||
1411 | 5355365 | Intelligent local area network modem node | |||
1412 | 5353338 | Multi-mode modem for automatically switching between data transmit and control command modes | |||
1413 | 5353337 | Device for the transmission of data by telephone line | |||
1414 | 5353334 | Interface for connecting computers to radio telephone networks | |||
1415 | 5353280 | Full-duplex start-up for modems | |||
1416 | 5351288 | Voice bridge for a relay center | |||
1417 | 5349640 | Option bus adapter | |||
1418 | 5349635 | Half-duplex or full-duplex automode operation for use in data communications equipment | |||
1419 | 5345495 | Data diagnostics with leds on the face of a telephone | |||
1420 | 5343516 | Computer telecommunications signalling interface | |||
1421 | 5343515 | High speed modem | |||
1422 | 5341418 | ISDN terminal adapter for access from analog signal equipment of four-wire full duplex type to ISDN | |||
1423 | 5339358 | Telephone keypad matrix | |||
1424 | 5339355 | Modem pooling system for communicating between a telephone and a plurality of data terminals | |||
1425 | 5337349 | Image telecommunication apparatus | |||
1426 | 5337348 | Modem pooling system for communicating between a telephone and a plurality of data terminals | |||
1427 | 5335225 | Communication system and a method for controlling a connection in the communication system | |||
1428 | 5333182 | Arbitrary selecting of a terminal to be called in key telephone systems | |||
1429 | 5333152 | Electronic mail remote data transfer system | |||
1430 | 5331509 | Modular notebook computer having a planar array of module bays and a pivotally attached flat-panel display | |||
1431 | 5327479 | Telecommunication device for the deaf with interrupt and pseudo-duplex capability | |||
1432 | 5325428 | Automatic switching-back device for telephone circuit | |||
1433 | 5325425 | Method for monitoring telephone call progress | |||
1434 | 5325417 | Telecommunication device for the deaf with automatic self-identification | |||
1435 | 5323449 | Apparatus for communication by telephone set and facsimile set through order wires | |||
1436 | 5323398 | Transmission system for transmitting G3 facsimile signals and compressed speech signals | |||
1437 | 5321840 | Distributed-intelligence computer system including remotely reconfigurable, telephone-type user terminal | |||
1438 | 5317629 | Data communication apparatus connectable with a plurality of telephone sets and a telephone line | |||
1439 | 5317594 | Systems for and method of identifying V.fast modem within existing automatic interworking procedure standards | |||
1440 | 5311578 | Technique for automatic identification of a remote modem | |||
1441 | 5307402 | Reduced time remote access method | |||
1442 | 5301274 | Method and apparatus for automatic balancing of modem resources | |||
1443 | 5301191 | Adaptive switching of multimedia audio and video information in an ISDN line | |||
1444 | 5295156 | Modem | |||
1445 | 5294229 | Teacher and parent interactive communication system incorporating pocket sized portable audio numeric terminals | |||
1446 | 5289582 | Communication control unit | |||
1447 | 5287401 | Apparatus and method for a modem for detecting a call waiting signal | |||
1448 | 5283638 | Multimedia computing and telecommunications workstation | |||
1449 | 5283637 | Telecommunication system for transmitting full motion video | |||
1450 | 5282241 | Modem pooling system | |||
1451 | 5282197 | Low frequency audio sub-channel embedded signalling | |||
1452 | 5278730 | Modular notebook computer having a planar array of module bays | |||
1993 | |||||
1453 | 5274697 | Automatic data restoral for modems | |||
1454 | 5268928 | Data modem with remote firmware update | |||
1455 | 5267301 | Data communication apparatus and method capable of discriminating calling stations | |||
1456 | 5267300 | High speed digital data transmission over switched voice network | |||
1457 | 5259000 | Modulator-demodulator apparatus and system | |||
1458 | 5258721 | Ring signal detection circuit | |||
1459 | 5255310 | Method of approximately matching an input character string with a key word and vocally outputting data | |||
1460 | 5253285 | Automated interactive telephone communication system for TDD users | |||
1461 | 5251313 | Method of bit rate adaption using the ECMA 102 protocol | |||
1462 | 5249218 | Programmable universal interface system | |||
1463 | 5245560 | Sequence detection method | |||
1464 | 5239580 | Modem-telephone coupler | |||
1465 | 5239573 | Telephone terminal incorporating speech synthesizer for enhanced communication | |||
1466 | 5239385 | Communication apparatus | |||
1467 | 5233627 | Multimode modem for facsimile | |||
1468 | 5224154 | Line powered DCA including dual programmed microcontrollers | |||
1469 | 5220560 | Modem pool system based on a packet communication procedure | |||
1470 | 5214650 | Simultaneous voice and data system using the existing two-wire inter-face | |||
1471 | 5210826 | Data communication apparatus having bandwidth selection capabilities | |||
1472 | 5206859 | ISDN multimedia communications system | |||
1473 | 5202963 | Method and apparatus for adapting a remote communications controller to a variety of types of communications modems | |||
1474 | 5202915 | Single line communication apparatus for speech and data and method therefor | |||
1475 | 5202899 | Apparatus for providing dynamic selection of modem protocol to support multiple modem types | |||
1476 | 5200992 | Communication apparatus having changeable communication procedure signals | |||
1477 | 5200991 | Image communication system including a mobile telephone set and a facsimile device | |||
1478 | 5200988 | Method and means for telecommunications by deaf persons utilizing a small hand held communications device | |||
1479 | 5199071 | Modem mode matching method with PBX dial-in | |||
1480 | 5197083 | Multimedia protocol interface for 64 kbit/s data flow | |||
1481 | 5191603 | Message receiving apparatus | |||
1482 | 5189632 | Portable personal computer and mobile telephone device | |||
1483 | 5187591 | System for transmitting and receiving aural information and modulated data | |||
1484 | 5185783 | Communication apparatus for detecting a calling signal from a line, for detecting a data communication signal from a calling station, and for generating a quasi-calling tone | |||
1485 | 5181240 | Data circuit-terminating equipment with power source device | |||
1992 | |||||
1486 | 5173935 | Method, system and apparatus for teleprinting | |||
1487 | 5173934 | Communications adaptor for a remote action terminal | |||
1488 | 5170470 | Integrated modem which employs a host processor as its controller | |||
1489 | 5164982 | Telecommunication display system | |||
1490 | 5163084 | Voice information service system and method utilizing approximately matched input character string and key word | |||
1491 | 5157658 | Method and apparatus for identifying newly installed modem in dial-up network | |||
1492 | 5153897 | Automatically controlling the operation mode of data circuit terminating equipment in a communication system | |||
1493 | 5151923 | Voice frequency communication apparatus | |||
1494 | 5146472 | Method for imbedding information in modem handshake procedure and modems incorporating the same | |||
1495 | 5144651 | Reduced time remote access method and system | |||
1496 | 5142567 | Communication apparatus having alternate message communication | |||
1497 | 5142566 | Method for transmitting billing data and invoices | |||
1498 | 5142565 | Controller for managing data communication with a host computer for the purpose of user verification by voice processing | |||
1499 | 5136586 | Method and apparatus for telephone line multiplex channeling of toll-quality voice and digital information | |||
1500 | 5134649 | Acoustic coupler for high-speed modem | |||
1501 | 5134648 | Reconfigurable modem for a computer or the like | |||
1502 | 5131045 | Audio-augmented data keying | |||
1503 | 5131025 | Intelligent modem system which determines proper access thereto | |||
1504 | 5128985 | Communication system having a plurality of voice communication terminals and a data communication terminal | |||
1505 | 5128983 | Transaction processing terminal capable of loading data externally transmitted and transaction processing system including the same | |||
1506 | 5127046 | Push/pull modem interface circuit | |||
1507 | 5127041 | System and method for interfacing computers to diverse telephone networks | |||
1508 | 5127027 | Training signal detecting apparatus | |||
1509 | 5121421 | Interactive telephone communication system for hearing-impaired person | |||
1510 | 5121385 | Highly efficient multiplexing system | |||
1511 | 5117455 | Telephone keypad matrix | |||
1512 | 5117452 | Telephone interface for a computer for receiving and transmitting information during the silent interval between ringing | |||
1513 | 5113432 | Arrangement for connecting a telefax device or a telephone set to a telecommunication line | |||
1514 | 5109407 | Communication device connected to telephone line together with telephone set | |||
1515 | 5107518 | Lockup prevention method and apparatus | |||
1516 | 5097528 | System for integrating telephony data with data processing systems | |||
1517 | 5095494 | Data transmission apparatus | |||
1518 | 5091932 | Circuit switching system | |||
1519 | 5086454 | Direct connect modem deriving power from telephone line | |||
1520 | 5086453 | Apparatus for communicating data via a telephone | |||
1521 | 5081673 | Voice bridge for relay center | |||
1991 | |||||
1522 | 5073924 | Telephone line noise filter apparatus | |||
1523 | 5073921 | Line connection switching apparatus for connecting communication line in accordance with matching result of speech pattern | |||
1524 | 5073899 | Transmission system for sending two signals simultaneously on the same communications channel | |||
1525 | 5070514 | Method and apparatus for clearing data path in half duplex modem receiver while maintaining dynamic parameters | |||
1526 | 5065427 | Fax/data call receiving system and method | |||
1527 | 5065426 | Facsimile/telephone controller | |||
1528 | 5065425 | Telephone connection arrangement for a personal computer and a device for such an arrangement | |||
1529 | 5063587 | Transmission system for still-picture TV telephone | |||
1530 | 5062104 | Digital service unit for connecting data processing equipment to a telephone system based computer network | |||
1531 | 5056132 | Switch device adapted to interface between an incoming telephone line and an internal telephone system | |||
1532 | 5050208 | Relaying destination and designation system | |||
1533 | 5048077 | Telephone handset with full-page visual display | |||
1534 | 5048076 | Control apparatus for an automated telephone attendant | |||
1535 | 5040190 | Analog data station terminal | |||
1536 | 5038374 | Data transmission and storage | |||
1537 | 5038373 | Process for determining whether a subscriber is the calling or the called party | |||
1538 | 5036513 | Method of and apparatus for integrated voice (audio) communication simultaneously with "under voice" user-transparent digital data between telephone instruments | |||
1539 | 5033062 | Digital modem | |||
1540 | 5031206 | Method and apparatus for identifying words entered on DTMF pushbuttons | |||
1541 | 5025443 | Digital data over voice communication | |||
1542 | 5023906 | Method for monitoring telephone call progress | |||
1543 | 5023903 | Voice and data telecommunications apparatus | |||
1544 | 5022072 | Communication apparatus | |||
1545 | 5022071 | Two-way voice & digital data analyzer for telephones | |||
1546 | 5018190 | Device to block unauthorized modem access over a PBX line | |||
1547 | 5018189 | Communication apparatus with telephone and data communication capability | |||
1548 | 5017915 | Method of enhancing communication setup between a communication station and a telecommunications network | |||
1549 | 5014306 | Voice and data telephone communication system and method | |||
1550 | 5014299 | Modem coupler for multi-line key telephone system | |||
1551 | 5010399 | Video transmission and control system utilizing internal telephone lines | |||
1552 | 5008930 | Customer definable integrated voice/data call transfer technique | |||
1553 | 5008927 | Computer and telephone apparatus with user friendly computer interface integrity features | |||
1554 | 5008901 | Asymmetrical duplex error-controlled modem | |||
1555 | 5003593 | Teleconferencing method for a secure key management system | |||
1556 | 5003581 | Telephone line priority sharing device | |||
1557 | 5003580 | Adapter for interfacing a work station terminal to a key telephone system | |||
1558 | 5001746 | Transmission control unit | |||
1559 | 5001744 | Communication system having a first and second communication procedures | |||
1560 | 5001729 | High speed half duplex modem with fast turnaround protocol | |||
1561 | 5001710 | Customer programmable automated integrated voice/data technique for communication systems | |||
1562 | 4995074 | Switched line modem interface system | |||
1563 | 4991199 | Computer and telephone apparatus with user friendly computer interface and enhanced integrity features | |||
1564 | 4991197 | Method and apparatus for controlling transmission of voice and data signals | |||
1565 | 4987588 | Data transmission processing machine | |||
1566 | 4987587 | Method and apparatus for providing 800 number service | |||
1567 | 4987586 | Modem-telephone interconnect | |||
1568 | 4987573 | Telephone system digital channel bank interface | |||
1569 | 4985911 | Conversational video phone | |||
1570 | 4985892 | Baseband local area network using ordinary telephone wiring | |||
1571 | 4981371 | Integrated I/O interface for communication terminal | |||
1990 | |||||
1572 | 4980911 | Transient signal elimination circuit for telecommunications applications with CPU control means | |||
1573 | 4959847 | Telecommunications device with automatic code detection and switching | |||
1574 | 4958371 | Method and apparatus for determining when a telephone handset is off-hook | |||
1575 | 4953199 | Interface apparatus for communication terminal equipment units | |||
1576 | 4953160 | Digital data over voice communication | |||
1577 | 4951309 | Power-down modem | |||
1578 | 4939777 | Terminal apparatus having a function for preventing unnecessary line connection | |||
1579 | 4937857 | Plural terminals communication controlling system | |||
1580 | 4937853 | Lottery agent data communication/telephone line interface | |||
1581 | 4932047 | Conversational video phone | |||
1582 | 4931250 | Multimode modem | |||
1583 | 4930151 | Telephone call forwarding device | |||
1584 | 4928305 | Intelligent modem with manual escape switch | |||
1585 | 4924493 | Method for monitoring call setup communications | |||
1586 | 4922534 | Intelligent synchronous modem and communication system incorporating the same | |||
1587 | 4922516 | Telephone technician's terminals with auto-selection of dial pulse on DTMF signalling | |||
1588 | 4918721 | Push button phone capable of sending to the telephone line alphabetical characters | |||
1589 | 4918688 | Method and apparatus for coupling computer work stations | |||
1590 | 4914686 | Cordless phone data logger | |||
1591 | 4910768 | Automatic balancing circuit for longitudinal transmission system | |||
1592 | 4910763 | Switching device for connecting a data transmission system to the telephone switched network | |||
1593 | 4908819 | Integrated data voice multiplexer supporting handshake and loop-back protocols | |||
1594 | 4907254 | Power source system for data terminal equipment | |||
1595 | 4903292 | System for transmitting low frequency tones through a digital loop carrier system | |||
1596 | 4901344 | Telephone system digital channel bank interface | |||
1597 | 4901343 | Data communication apparatus | |||
1598 | 4899350 | Signal communication capable of avoiding an audible reproduction of a sequence of information signals | |||
1599 | 4897865 | Telephone data collection device | |||
1600 | 4894847 | High speed half duplex modem with fast turnaround protocol | |||
1601 | 4893340 | Multijunction unit apparatus for use in a digital network | |||
1602 | 4891783 | Data terminal device | |||
1989 | |||||
1603 | 4890316 | Modem for communicating at high speed over voice-grade telephone circuits | |||
1604 | 4885755 | Method and apparatus for data communication | |||
1605 | 4884285 | (DS) transmitter | |||
1606 | 4876696 | Transmission system for transmitting multifrequency signals or modem signals with speech signals | |||
1607 | 4873715 | Automatic data/voice sending/receiving mode switching device | |||
1608 | 4872198 | Transient signal elimination circuit for telecommunications applications | |||
1609 | 4870677 | Data/facsimile telephone subset apparatus incorporating electrophoretic displays | |||
1610 | 4868863 | Apparatus for connecting data processing equipment to a communication network | |||
1611 | 4866759 | Packet network telecommunication system having access nodes with word guessing capability | |||
1612 | 4864601 | Integrated voice data workstation | |||
1613 | 4864567 | High throughput data communication system | |||
1614 | 4862456 | High speed modem | |||
1615 | 4860343 | Composite cable for use in high frequency data and voice transmission | |||
1616 | 4860342 | Computer-telephone interface method and apparatus | |||
1617 | 4860308 | Modem communication system having main and secondary channels | |||
1618 | 4853954 | Dial-up line modem directly compatible with mainframe host having bisynchronous communication protocol | |||
1619 | 4852151 | Modem with call waiting | |||
1620 | 4852087 | Receiver data gate with automatic gain control | |||
1621 | 4852080 | Analog front-end circuit for full-duplex communication | |||
1622 | 4850009 | Portable handheld terminal including optical bar code reader and electromagnetic transceiver means for interactive wireless communication with a base communications station | |||
1623 | 4847893 | Method for monitoring telephone status changes | |||
1624 | 4847863 | Expandable modular data modem | |||
1625 | 4841561 | Operating default group selectable data communication equipment | |||
1626 | 4839919 | Telephone and demodulator | |||
1627 | 4837811 | Telephone technician's terminals | |||
1628 | 4837807 | Station to station message arrangement | |||
1629 | 4829559 | Facsimile apparatus with a mode for receiving non-image information | |||
1630 | 4825465 | Exclusionary device for coupling plural telephonic devices to a single central office trunk | |||
1631 | 4825464 | Successive key operating mechanism for telephone dialing | |||
1632 | 4825461 | Data communication apparatus for data and/or speech communication on a plurality of communication lines | |||
1633 | 4817147 | Intelligent synchronous modem and communication system incorporating the same | |||
1634 | 4817129 | Method of and means for accessing computerized data bases utilizing a touch-tone telephone instrument | |||
1635 | 4813040 | Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel | |||
1636 | 4811339 | Non-coded information and companion data switching mechanism | |||
1637 | 4809317 | Telephone line exclusion device | |||
1638 | 4807278 | Telecommunication controller having a telephone line sharing function | |||
1639 | 4807276 | Re-transmission method and apparatus in communication system using public communication lines | |||
1640 | 4805208 | Modem compression system for telephone network | |||
1641 | 4799254 | Portable communication terminal for remote database query | |||
1642 | 4799213 | Data transmission system | |||
1643 | 4799144 | Multi-function communication board for expanding the versatility of a computer | |||
1988 | |||||
1644 | 4794641 | Data transmission system of key telephone system | |||
1645 | 4794634 | Position-sensitive photodetector and light transmissive tablet and light-emitting pen | |||
1646 | 4794595 | Voice and data transmission system | |||
1647 | 4788717 | Telephone line interface option module | |||
1648 | 4788657 | Communication system having reconfigurable data terminals | |||
1649 | 4785448 | System for communicating digital data on a standard office telephone system | |||
1650 | 4782512 | Interfacing data units to a telephone line | |||
1651 | 4782511 | Interactive medical laboratory specimen apparatus system | |||
1652 | 4782498 | Modem with improved handshaking capability | |||
1653 | 4782480 | Telephone line access apparatus | |||
1654 | 4779269 | Efficient transmission mechanism integrating data and non coded information | |||
1655 | 4774704 | Interface circuit for connecting a digital equipment to a time multiplex link | |||
1656 | 4773080 | Data communication equipment | |||
1657 | 4771450 | Method and apparatus for converting rotary signals to audiofrequency signals | |||
1658 | 4771449 | Data station termination circuit | |||
1659 | 4769833 | Wideband switching system | |||
1660 | 4764922 | Data terminal interface circuit to a telephone transmission line | |||
1661 | 4761811 | Data and voice transmission using composite cables and punch-down blocks | |||
1662 | 4761646 | Method and system for addressing and controlling a network of modems | |||
1663 | 4758833 | Paging universal remote control decoder | |||
1664 | 4757495 | Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels | |||
1665 | 4754474 | Interpretive tone telecommunication method and apparatus | |||
1666 | 4754455 | Telephone signal transmission device | |||
1667 | 4751726 | EKG telemetry base station | |||
1668 | 4751698 | Serial link adapter for a communication controller | |||
1669 | 4750199 | Coordinated multiple telephone station system | |||
1670 | 4750170 | Line access apparatus for in-band communication | |||
1671 | 4750169 | Telephone system and method for transmitting digital information | |||
1672 | 4748656 | Personal computer--as an interface between a telephone station set and a business communication system | |||
1673 | 4747073 | Terminal for communication with a remote data processing system | |||
1674 | 4742536 | Telephone monitor circuit and method | |||
1675 | 4742482 | Modem controller | |||
1676 | 4740963 | Voice and data communication system | |||
1677 | 4737980 | Computer data entry method and apparatus | |||
1678 | 4736407 | Computer assisted graphic teleconferencing method and apparatus | |||
1679 | 4731782 | Digital local switching system for integrated service digital network | |||
1680 | 4730311 | Remote multiplexer for digital telephone system | |||
1681 | 4729033 | Data communication apparatus | |||
1682 | 4726017 | Multidrop data concentrator communication network | |||
1683 | 4723268 | Dual mode phone line interface | |||
1684 | 4723267 | Telephone line interface and dialer circuitry for telecommunications equipment | |||
1685 | 4721955 | Paging universal remote control system | |||
1686 | 4720858 | Telephone handset/acoustic coupler adapter | |||
1687 | 4718082 | Modem for effecting full duplex asynchronous/synchronous digital data communications over voice grade telephone link | |||
1987 | |||||
1688 | 4716583 | Verbal computer terminal system | |||
1689 | 4716562 | Telephone system | |||
1690 | 4715061 | Coordinated multiple telephone station system | |||
1691 | 4715059 | Conversational video phone | |||
1692 | 4715044 | Automatic synchronous/asynchronous modem | |||
1693 | 4707825 | Methods of installing and assigning control processors in a distributed-control communications system | |||
1694 | 4706241 | Low speed gate circuit | |||
1695 | 4703480 | Digital audio transmission | |||
1696 | 4700358 | Synchronous/asynchronous modem | |||
1697 | 4686699 | Call progress monitor for a computer telephone interface | |||
1698 | 4685124 | Microprocessor based control and switching device | |||
1699 | 4685123 | Communication system having voice and data capability | |||
1700 | 4682352 | Universal modem receiver transmitter | |||
1701 | 4682014 | Simple data input apparatus | |||
1702 | 4680781 | Data telecommunications system and method with universal link establishment | |||
1703 | 4680773 | Data telecommunications system and method utilizing a multi-mode modem | |||
1704 | 4679226 | Computer security guard circuit | |||
1705 | 4677659 | Telephonic data access and transmission system | |||
1706 | 4674112 | Character pattern recognition and communications apparatus | |||
1707 | 4672605 | Data and voice communications system | |||
1708 | 4670874 | Communications system for transmitting and receiving data and voice signals simultaneously through 2-wire signal lines | |||
1709 | 4663778 | Communication apparatus | |||
1710 | 4661659 | Wireless phone system communicatively combined with a computer | |||
1711 | 4660218 | Apparatus for switching telephone line a response device, a data terminal or a telephone | |||
1712 | 4659877 | Verbal computer terminal system | |||
1713 | 4659876 | Audiographics communication system | |||
1714 | 4658417 | Information transmission/reception system using pushphone and information reception apparatus | |||
1715 | 4656654 | Computer assisted graphic teleconferencing method and apparatus | |||
1716 | 4656318 | Modem with power-off ring detection | |||
1717 | 4654868 | Time independent data transmission system having capability for accessing a plurality of data devices | |||
1718 | 4653086 | Communication terminal for processing voice and graphical information | |||
1719 | 4650927 | Processor-assisted communication system using tone-generating telephones | |||
1720 | 4649563 | Method of and means for accessing computerized data bases utilizing a touch-tone telephone instrument | |||
1721 | 4646289 | Signal multiplexing circuit | |||
1722 | 4644527 | Interface unit for transferring voice and data signals | |||
1723 | 4640989 | Communications unit for executive work station | |||
1724 | 4640988 | Telephone interrupter | |||
1725 | 4635253 | Exchange system including plural terminals for voice and data transmission | |||
1986 | |||||
1726 | 4626623 | Method and apparatus for telephone access security | |||
1727 | 4623758 | Hybrid system for recording voice and data signals | |||
1728 | 4620064 | Pocket sized telephone line data communication systems | |||
1729 | 4618742 | Method and apparatus for decoding audiofrequency information sent through rotary dialing | |||
1730 | 4611321 | Variable-band distributed switching node with dynamic hybrid-frame processing | |||
1731 | 4608686 | Two wire voice and data subscriber loop | |||
1732 | 4608457 | Telecommunications device for the hearing impared | |||
1733 | 4607364 | Multimode data communication system | |||
1734 | 4607139 | Interface module for telephone lines | |||
1735 | 4604741 | Voice and data interface circuit | |||
1736 | 4602362 | Information transport system | |||
1737 | 4599491 | Apparatus for converting direct coupled data devices to acoustic coupled data devices | |||
1738 | 4596021 | Modem for switching between voice and data communications on a single telephone call | |||
1739 | 4593389 | Simultaneous voice and asynchronous data telephone | |||
1740 | 4591662 | Telephone set-computer terminal assembly with a single decimal keyboard and a switchable local power supply | |||
1741 | 4589107 | Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module | |||
1742 | 4588856 | Automatic line impedance balancing circuit for computer/telephone communications interface | |||
1743 | 4584680 | Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups | |||
1744 | 4584434 | Additional system for automatic information reception terminal device utilizing telephone circuit | |||
1745 | 4583124 | Facsimile communication control system | |||
1746 | 4581746 | Technique for insertion of digital data bursts into an adaptively encoded information bit stream | |||
1747 | 4580291 | Method for processing digital signals, and subscriber station for telecommunication and teledistribution | |||
1748 | 4580239 | Remote station of a computer system | |||
1749 | 4578796 | Programmable multiple type data set | |||
1750 | 4578789 | Simultaneous voice and data communication and data base access in a switching system using a tone bus or broadcast mode | |||
1751 | 4578537 | Telecommunication apparatus serving as an interface between a digital computer and an analog communication medium | |||
1752 | 4578535 | Videotex system | |||
1753 | 4578534 | Time independent data transmission system | |||
1754 | 4578533 | Switchable line powered modem | |||
1755 | 4571722 | Integrated service multiplex equipment | |||
1985 | |||||
1756 | 4558369 | Facsimile connection system | |||
1757 | 4546213 | Modem security device | |||
1758 | 4546212 | Data/voice adapter for telephone network | |||
1759 | 4545048 | Service integrated digital transmission system | |||
1760 | 4543450 | Integrated connector and modem | |||
1761 | 4542499 | Distributed control system for multiple random access to the transmission line of a local network for speech and data | |||
1762 | 4539676 | Bulk/interactive data switching system | |||
1763 | 4536872 | Telecommunication system for transmitting data information by means of a digital exchange | |||
1764 | 4535199 | Data call transfer preindication | |||
1765 | 4535198 | Digital terminal keyboard dialing | |||
1766 | 4532378 | Telephone apparatus capable of inputting character data | |||
1767 | 4532377 | Data call transfer | |||
1768 | 4528659 | Interleaved digital data and voice communications system apparatus and method | |||
1769 | 4528422 | Transparent secondary information transmission system for an information transmission system | |||
1770 | 4524244 | Digital and voice telecommunication apparatus | |||
1771 | 4523311 | Simultaneous transmission of speech and data over an analog channel | |||
1772 | 4521643 | Apparatus for transmitting information via telephone lines | |||
1773 | 4518823 | Modem cartridge and connection for program cartridge type computers | |||
1774 | 4516239 | System, apparatus and method for controlling a multiple access data communications system including variable length data packets and fixed length collision-free voice packets | |||
1775 | 4512013 | Simultaneous transmission of speech and data over an analog channel | |||
1776 | 4510596 | Time slot assignment facilities | |||
1777 | 4509164 | Microprocessor based digital to digital converting dataset | |||
1778 | 4503288 | Intelligent telephone | |||
1779 | 4500751 | Data communication system | |||
1780 | 4495620 | Transmitting data on the phase of speech | |||
1781 | 4494231 | Time division switching system for circuit mode and packet mode channels | |||
1782 | 4493948 | Transparent secondary information transmission system for an information transmission system | |||
1984 | |||||
1783 | 4488294 | Establishing and supporting data traffic in private branch exchanges | |||
1784 | 4488287 | Combining and splitting of voice and data from multiple terminal sources and electronic PABX for same | |||
1785 | 4488002 | Line control of switched network data sets | |||
1786 | 4486878 | Digital telephone exchange with means for processing packet-switched data | |||
1787 | 4481574 | Programmable interface between remote terminals and a computer | |||
1788 | 4479213 | Transmission method for transmitting voice and data information over telephone line and device for implementing said method | |||
1789 | 4477695 | Microprocessor operated telecommunications interface for a terminal of an automatic teletypewriter switching service | |||
1790 | 4476559 | Simultaneous transmission of voice and data signals over a digital channel | |||
1791 | 4476348 | Carbon microphone linearization technique | |||
1792 | 4471489 | Automatic answer/originate mode selection in modem | |||
1793 | 4471165 | Portable keyboard operated telecommunications system | |||
1794 | 4469917 | Time synchronized data transmission system | |||
1795 | 4464542 | Multifunctional communication terminal connected to two telephone lines and with partial remote supply | |||
1796 | 4461013 | Frequency modulation transmitter for voice or data | |||
1797 | 4456986 | Apparatus for coupling signals to or from a two-wire line | |||
1798 | 4456985 | Apparatus for coupling signals to or from a two-wire line | |||
1799 | 4450556 | Digital signal subscriber loop and interface circuit | |||
1800 | 4450554 | Asynchronous integrated voice and data communication system | |||
1801 | 4449247 | Local orderwire facility for fiber optic communication system | |||
1802 | 4449246 | Orderwire communication system | |||
1803 | 4449218 | Analog/digital telecommunication subscriber station | |||
1804 | 4446333 | Flexible acoustic coupler | |||
1805 | 4443662 | Filters comprising reactive components, and a method of determining impedances thereof | |||
1806 | 4442540 | Data over voice transmission arrangement | |||
1807 | 4442502 | Digital information switching system | |||
1808 | 4442318 | Portable bi-directional data communication terminal | |||
1809 | 4441180 | Service integrated communication transmission and interchange system | |||
1810 | 4440977 | Pushbutton decoder and printer | |||
1811 | 4435804 | Sub-signal transmitting system | |||
1812 | 4434326 | Circuit arrangement for establishing and terminating a data connection | |||
1813 | 4433212 | Telephone line interface circuit | |||
1814 | 4430731 | Video and data distribution module with subscriber terminal | |||
1815 | 4427848 | Telephonic alphanumeric data transmission system | |||
1816 | 4426555 | Telephone communications device for hearing-impaired person | |||
1817 | 4425661 | Data under voice communications system | |||
1818 | 4425642 | Simultaneous transmission of two information signals within a band-limited communications channel | |||
1983 | |||||
1819 | 4421951 | Method and arrangement for signaling the transmission mode of a communication system | |||
1820 | 4421950 | Communication device having coupling means | |||
1821 | 4418416 | Frequency modulation transmitter for voice or data | |||
1822 | 4415774 | Line powered modem automatic answer device powered from equipment | |||
1823 | 4415769 | Electromagnetic telephone coupling device | |||
1824 | 4413337 | Time division switching system for circuit mode and packet mode lines | |||
1825 | 4409437 | Apparatus for indicating telephone line state | |||
1826 | 4408323 | Processor facilities for integrated packet and voice switching | |||
1827 | 4402073 | Speech and data communication network | |||
1828 | 4401847 | Telephone communication system | |||
1829 | 4395590 | Line powered modem | |||
1830 | 4392023 | Off-hook telephone sensing system | |||
1831 | 4389547 | Telephone set | |||
1832 | 4388718 | Digital telecommunication system | |||
1833 | 4387440 | Modem control device code multiplexing | |||
1834 | 4387271 | Combined telephone and data-transfer system | |||
1835 | 4383315 | Idle time slot seizure and transmission facilities for loop communication system | |||
1836 | 4381427 | Subscriber loop system for voice and data | |||
1837 | 4378470 | Interface circuits for connection to non-dedicated telephone lines | |||
1838 | 4377860 | Bandwidth reduction method and structure for combining voice and data in a PCM channel | |||
1839 | 4367548 | Subscriber station for providing multiple services to a subscriber | |||
1840 | 4367374 | Modem telephone interface circuit | |||
1982 | |||||
1841 | 4366572 | Data transmission system | |||
1842 | 4366347 | Apparatus for selecting terminal equipment in telephone lines | |||
1843 | 4354265 | Method and an apparatus for transferring digital information in a telephone system | |||
1844 | 4350848 | Data transmission system | |||
1845 | 4340783 | Voice frequency response system | |||
1846 | 4330886 | Automatic telephone exchange system for both speech signals and data transfer | |||
1847 | 4330687 | Audio and full duplex digital data carrier system | |||
1848 | 4328579 | Voice band multiplex transmission system | |||
1849 | 4321429 | Apparatus for selecting terminal equipment in telephone lines | |||
1850 | 4313197 | Spread spectrum arrangement for (de)multiplexing speech signals and nonspeech signals | |||
1981 | |||||
1851 | 4307266 | Communication apparatus for the handicapped | |||
1852 | 4306116 | Communications unit for voice and data | |||
1853 | 4302629 | Digital data transmission system | |||
1854 | 4291200 | Voice and data switching arrangement | |||
1855 | 4291198 | General-purpose electronic telephone station set | |||
1856 | 4288868 | Satellite communication system for speech and telegraphy | |||
1857 | 4288662 | Circuit arrangement for telephone exchange systems, especially subscriber extension station installations, with additional data traffic, for example with teleprinter equipment | |||
1858 | 4288661 | Interface circuitry for acoustic coupler compensation | |||
1859 | 4287591 | Communications transmission system | |||
1860 | 4277646 | Apparatus and method for resetting data sets | |||
1861 | 4271499 | Method and apparatus for digitally implementing a linked compressor-expander telecommunications system | |||
1862 | 4268721 | Portable telephone communication device for the hearing impaired | |||
1863 | 4258387 | Video telephone | |||
1864 | 4254304 | Signal processor for use with a telephone system and a digital transmission line | |||
1865 | 4246442 | Method and device for confirming correct connection between data terminals in data communication system using telephone network | |||
1980 | |||||
1866 | 4224478 | Data transmission circuit for establishing a bidirectional data path in a telephone system | |||
1867 | 4223183 | Telephone controlled order entry system | |||
1868 | 4215246 | Dial pulse signaling arrangement | |||
1869 | 4215243 | Automatic modem identification system | |||
1870 | 4207598 | Automatic mail sending system | |||
1871 | 4203006 | Direct access coupler | |||
1872 | 4201887 | Data telecommunications terminal | |||
1873 | 4191855 | Full duplex audio response device | |||
1874 | 4191854 | Telephone-coupled visual alphanumeric communication device for deaf persons | |||
1979 | |||||
1875 | 4178480 | Signal multiplexing circuit | |||
1876 | 4165446 | Data transmission systems (using internal systems equipment, services and procedures of telephone companies) | |||
1978 | |||||
1877 | 4122307 | Telephone voice frequency response system for message recording | |||
1878 | 4122300 | Data transmission system and application thereof to the transmission of analog signals and of data in a network with delta modulation | |||
1879 | 4107467 | Electronic order placement system using signals over telephone line | |||
1880 | 4087635 | Method of and system for carrying out calculations by means of a telephone set | |||
1881 | 4086434 | Remote condition reporting system | |||
1882 | 4082921 | Automatic subscriber interrogation system | |||
1977 | |||||
1883 | 4055729 | Apparatus for the direct connection of ancillary equipment to a telephone network | |||
1884 | 4039751 | Method and apparatus for closed loop testing of first and second modulators and demodulators | |||
1885 | 4028493 | Call progress signal detector | |||
1886 | 4013838 | Telephonic enquiry system | |||
1887 | 4012599 | Telephone communications system for the deaf | |||
1888 | 4009342 | Circuit arrangement for communication facilities wherein transmission paths can be employed for different types of message switching | |||
1889 | 4001507 | Method and apparatus for telephone systems for facilitating data traffic between the subscriber stations and a central data processor | |||
1976 | |||||
1890 | 3996583 | System for processing data signals for insertion in television signals | |||
1891 | 3992587 | Remote data line monitor | |||
1892 | 3987251 | Time division switching network for switching multirate multiplexed data | |||
1893 | 3987247 | Data signalling unit for telephone systems | |||
1894 | 3985959 | Key telephone system for subscribers | |||
1895 | 3980831 | Data switching system | |||
1896 | 3979559 | Data modem having line verification and automatic disconnect features | |||
1897 | 3976840 | Portable securities selector system | |||
1898 | 3967273 | Method and apparatus for using pushbutton telephone keys for generation of alpha-numeric information | |||
1899 | 3962546 | Malfunction detection and changeover apparatus for data communications system | |||
1900 | 3955051 | Data set with bridge for duplex operation | |||
1901 | 3952163 | Method and apparatus for testing in FDM system | |||
1902 | 3937889 | Data communication apparatus for use in a telephone system | |||
1903 | 3934088 | Data terminal for connection to telephone or teleprinter facilities | |||
1904 | 3932709 | Electronic business telephone | |||
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 |