СПИСОК патентов США - подгруппа МПК16 H04M9/00
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9571669 | Reverse power feeding system and method | |||
| 2 | 9571661 | Controller for a door entry system | |||
| 3 | 9565284 | Systems and methods for automatically connecting a user of a hands-free intercommunication system | |||
| 4 | 9559967 | Policy implementation over LMR and IP networks | |||
| 5 | 9548608 | Gas tube impulse protection | |||
| 6 | 9538379 | Method for authentication between smart car and smart home and telematics service center therefor | |||
2016 | |||||
| 7 | 9479881 | Wireless communication apparatus, wireless communication system, and data processing method | |||
| 8 | 9479627 | Desktop speakerphone | |||
| 9 | 9473602 | Portable electronic device | |||
| 10 | 9454889 | Security and public safety application for a mobile device | |||
| 11 | 9437210 | Audio signal processing | |||
| 12 | 9426280 | Network-based timed ring suppression | |||
| 13 | 9426031 | Device migration | |||
| 14 | 9413539 | Analog front-end transmitter and a connection method of an X-digital subscriber line having a pre-distortion mechanism | |||
| 15 | 9369841 | Providing geographic locations of a user's wireless device | |||
| 16 | 9369587 | System and method for software turret phone capabilities | |||
| 17 | 9350409 | Mobile terminal and inner frame provided therein | |||
| 18 | 9344564 | MSC logic for SIP invite with IMRN | |||
| 19 | 9319537 | Load balancing reverse power supply | |||
| 20 | 9312967 | Communication device | |||
| 21 | 9300788 | Apparatus and control method for the same | |||
| 22 | 9282029 | System and method for transmitting an emergency message over an integrated wireless network | |||
| 23 | 9261915 | Electronic apparatus, light-transmissive cover plate, and portable device | |||
| 24 | 9254023 | Protective cover for portable eletronic device | |||
| 25 | 9252838 | Alternative techniques for processing wireless communication backhaul | |||
| 26 | 9232035 | Electronic device for preventing leakage of received sound | |||
2015 | |||||
| 27 | 9179011 | Telephone Communication System and Method of Using | |||
| 28 | 9179010 | Remote powered node | |||
| 29 | 9178773 | Computer-programmed telephone-enabled devices for processing and managing numerous simultaneous voice conversations conducted by an individual over a computer network and computer methods of implementing thereof | |||
| 30 | 9178478 | Method and apparatus for providing privacy for telephone conversations | |||
| 31 | 9167333 | Headset dictation mode | |||
| 32 | 9143875 | Determination of ambient sound processed audio information | |||
| 33 | 9131068 | Systems and methods for automatically connecting a user of a hands-free intercommunication system | |||
| 34 | 9128489 | Inductively coupled distributed control system | |||
| 35 | 9124970 | System and method for using a headset jack to control electronic device functions | |||
| 36 | 9124708 | Far-end sound quality indication for telephone devices | |||
| 37 | 9100505 | Methods, systems and products for providing modem functions | |||
| 38 | 9094954 | Mobile terminal and controlling method thereof | |||
| 39 | 9094746 | Block resistant microphone port design | |||
| 40 | 9060074 | Method and system for communication | |||
| 41 | 9058819 | System and method for reducing uplink noise | |||
| 42 | 9055156 | Auxiliary speaker and microphone system for cellular phone | |||
| 43 | 9044689 | Case for electronic device with surface for attaching building elements | |||
| 44 | 9031226 | Multi-stream-multipoint-jack audio streaming | |||
| 45 | 9001997 | Telephone with handsfree function | |||
| 46 | 8995649 | System and method for multiple headset integration | |||
| 47 | 8989693 | Power line network apparatus, system and method | |||
| 48 | 8983507 | Private packet network backbone exchange with variable call termination location capability | |||
| 49 | 8983059 | Telephone interface | |||
| 50 | 8977230 | Interactive personal surveillance and security (IPSS) systems and methods | |||
| 51 | 8976957 | Headset microphone boom assembly | |||
| 52 | 8971884 | Rejection notification to a universal integrated circuit card | |||
| 53 | 8971524 | Communications systems and methods using wireline adapters | |||
| 54 | 8964970 | Phone | |||
| 55 | 8964969 | Telecommunciations filter device | |||
| 56 | 8964968 | System, voice cable assembly, and method for voice communication | |||
| 57 | 8964966 | Multi-microphone system to support bandpass filtering for analog-to-digital conversions at different data rates | |||
| 58 | 8963695 | Haptic alert device having a linear vibrator | |||
| 59 | 8958545 | Crosstalk reducing conductor and contact configuration in a communication system | |||
| 60 | 8954123 | Connector cover and mobile type electronic device | |||
| 61 | 8953780 | Portable electronic device | |||
| 62 | 8953778 | Real-time intelligent mute interactive features | |||
| 63 | 8949049 | System and method for detecting a device requiring power | |||
| 64 | 8934623 | Housing for electronic device | |||
| 65 | 8929398 | Data frame for PLC having destination address in the PHY header | |||
2014 | |||||
| 66 | 8923797 | Method of establishing a communications connection from a deactivated telematics unit on a motor vehicle | |||
| 67 | 8923796 | Expedited call setup | |||
| 68 | 8923530 | Speakerphone feedback attenuation | |||
| 69 | 8918197 | Audio communication networks | |||
| 70 | 8908858 | Rotating mechanism and electronic device with same | |||
| 71 | 8902714 | Smart-watch including flip up display | |||
| 72 | 8892232 | Social network with enhanced audio communications for the hearing impaired | |||
| 73 | 8891800 | Earbud charging case for mobile device | |||
| 74 | 8891755 | Telephone set and method of controlling off-hook/on-hook state of the telephone set | |||
| 75 | 8890719 | Reduced keypad for multi-tap input | |||
| 76 | 8879711 | Method and apparatus for network maintenance and supervision of a controlled on-board audio portion | |||
| 77 | 8873743 | Tapered capsense structure | |||
| 78 | 8867737 | System and method for providing line power to a digital telephone | |||
| 79 | 8867736 | Device for controlling a supply voltage for a terminal | |||
| 80 | 8861687 | Integrated hybird circuit applied to a digital subscriber loop and setting method thereof | |||
| 81 | 8848901 | Speech canceler-enhancer system for use in call-center applications | |||
| 82 | 8843099 | Method for providing extension list selection | |||
| 83 | 8842822 | System and method for optimizing termination impedance for an analog telephone line | |||
| 84 | 8837713 | Systems, methods, and apparatus for enabling audio transmission within a communications session | |||
| 85 | 8831212 | Guiding module and electronic device using the same | |||
| 86 | 8825928 | Facilitating and authenticating transactions through the use of a dongle interfacing a security card and a data processing apparatus | |||
| 87 | 8824669 | Handheld electronic device with keyboard | |||
| 88 | 8824668 | Communication system comprising a telephone and a listening device, and transmission method | |||
| 89 | 8823499 | Enhanced power supply unit for powerline networks | |||
| 90 | 8817971 | Conference device | |||
| 91 | 8811933 | Power line communication methods and devices | |||
| 92 | 8811605 | Intelligent patching systems and components thereof | |||
| 93 | 8811604 | Sliding mechanism and slider electronic apparatus therewith | |||
| 94 | 8811599 | Systems, circuits and methods for dual transformer duplexing | |||
| 95 | 8787562 | Method and system for providing DC power on local telephone lines | |||
| 96 | 8787557 | Method and apparatus for non-disruptive telecommunication loop condition determination | |||
| 97 | 8774878 | Ultra mobile communicating computer with finger holes to ease grip | |||
| 98 | 8767952 | Method and system for utilizing a single connection for efficient delivery of power and multimedia information | |||
| 99 | 8761387 | Analog transmit crosstalk canceller | |||
| 100 | 8755505 | Communication wall panel, nursing care system having communication wall panel, and conference system having communication wall panel | |||
| 101 | 8755462 | Frequency offset estimator for upstream cable signals | |||
| 102 | 8744538 | Fully flat slider | |||
| 103 | 8737951 | Interactive personal surveillance and security (IPSS) systems and methods | |||
| 104 | 8737602 | Passive, non-amplified audio splitter for use with computer telephony integration | |||
| 105 | 8737051 | Display seal for electronic device | |||
| 106 | 8731907 | Method and test signal for measuring speech intelligibility | |||
| 107 | 8731225 | Wireless communication headset with wired and wireless modes | |||
| 108 | 8731186 | Microphone disruption apparatus and method | |||
| 109 | 8731185 | Single ended estimation of far-end crosstalk in a digital subscriber line | |||
| 110 | 8712487 | Sliding-type portable communication device | |||
| 111 | 8693677 | Techniques for updating filter coefficients of an adaptive filter | |||
| 112 | 8687798 | Microphone line based detection of headset plug removal | |||
| 113 | 8687796 | Method and electronic device for improving communication quality based on ambient noise sensing | |||
| 114 | 8666357 | System and method for transmitting an emergency message over an integrated wireless network | |||
| 115 | 8666355 | Network event detection | |||
| 116 | 8666061 | Mobile device | |||
| 117 | 8660520 | Emergency notification system for devices within a targeted boundary | |||
| 118 | 8660259 | Automatic permutation setup and calibration of a headset interface unit | |||
| 119 | 8660249 | System and method for remote home monitoring and intercom communication | |||
| 120 | 8649507 | Mobile communications device enclosure | |||
| 121 | 8644791 | Communications module apparatus, integrated circuit and method of communicating data | |||
| 122 | 8644497 | Method and apparatus for adding a communication connection to a vectored group | |||
| 123 | 8644493 | Splitter wall plates for digital subscriber line (DSL) communication systems and methods to use the same | |||
| 124 | 8639300 | Method and apparatus for maintaining transmit audio in a half duplex system | |||
| 125 | 8634884 | Sliding-type portable terminal | |||
| 126 | 8634548 | Free-stop hinge apparatus for folding-type mobile phone | |||
| 127 | 8634547 | Echo canceller operative in response to fluctuation on echo path | |||
| 128 | 8630726 | System and method for detecting three-way call circumvention attempts | |||
| 129 | 8630408 | Folder type terminal cover device | |||
| 130 | 8630405 | Echo removing apparatus | |||
| 131 | 8626179 | Multiple subscription resource access control | |||
| 132 | 8626111 | Mobile device situational awareness protocol | |||
2013 | |||||
| 133 | 8621250 | Variable power over Ethernet based on link delay measurement | |||
| 134 | 8615077 | Portable electronic device | |||
| 135 | 8615076 | Wireless digital subscriber line device having reduced RF interference | |||
| 136 | 8611528 | Outlet add-on module | |||
| 137 | 8606177 | Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same | |||
| 138 | 8600094 | Mounting panel with elongated tongue | |||
| 139 | 8594753 | Mobile terminal | |||
| 140 | 8594320 | Hybrid echo and noise suppression method and device in a multi-channel audio signal | |||
| 141 | 8588405 | Method of communication between a communication server and a terminal | |||
| 142 | 8588403 | Echo canceling arrangement | |||
| 143 | 8582755 | Headset with a retractable speaker portion | |||
| 144 | 8571205 | Dual-purpose hardware aperture | |||
| 145 | 8565419 | Keyboard arrangement and mobile communication device incorporating same | |||
| 146 | 8565417 | Outlet add-on module | |||
| 147 | 8559996 | Power control subsystem with a plurality of current limit values | |||
| 148 | 8559914 | Interactive personal surveillance and security (IPSS) system | |||
| 149 | 8559623 | Double sliding stability space-saving slide cover lifting structure | |||
| 150 | 8559621 | Donned and doffed headset state detection | |||
| 151 | 8559619 | Methods and devices for reducing sidetone noise levels | |||
| 152 | 8553874 | Display cover and case for a communication device | |||
| 153 | 8548418 | Methods and devices for distributing ringtone | |||
| 154 | 8548159 | Waterproof structure and electronic equipment | |||
| 155 | 8548158 | Network based timed ring suppression | |||
| 156 | 8542819 | Outlet add-on module | |||
| 157 | 8542817 | Speaker volume control for voice communication device | |||
| 158 | 8539255 | Variable power over ethernet based on link delay measurement | |||
| 159 | 8538010 | Faceplate assembly for wall mounting a phone | |||
| 160 | 8538009 | Donned and doffed headset state detection | |||
| 161 | 8532721 | Portable electronic device having sliding display providing event notification | |||
| 162 | 8532696 | Mobile terminal having flexible printed circuit board | |||
| 163 | 8532284 | Telephone | |||
| 164 | 8532096 | Local exchange routing guide information maintenance system and method | |||
| 165 | 8526600 | Antihelix-conforming ear-mount for personal audio-set | |||
| 166 | 8520836 | Projection headset | |||
| 167 | 8520835 | Method and apparatus for providing power to a network interface device via telephone lines | |||
| 168 | 8515383 | Utility powered communications gateway | |||
| 169 | 8515382 | Power line communication methods and devices | |||
| 170 | 8515114 | Wireless system for hearing communication devices providing wireless stereo reception modes | |||
| 171 | 8515056 | Portable terminal with built-in antenna | |||
| 172 | 8509423 | Synchronous pull device for slide cover mechanism | |||
| 173 | 8503659 | Method and apparatus for ringback tone replacement with downloaded audio files | |||
| 174 | 8498408 | Crosstalk estimation and power setting based on interpolation in a multi-channel communication system | |||
| 175 | 8498406 | Integrated keypad system | |||
| 176 | 8494153 | Adaptive mute status reminder | |||
| 177 | 8489151 | Integrated and detachable wireless headset element for cellular/mobile/portable phones and audio playback devices | |||
| 178 | 8488778 | Electronic device with hinge mechanism | |||
| 179 | 8488777 | Microphone coupler system for a communication device | |||
| 180 | 8483776 | Acoustic path for a wireless communications device | |||
| 181 | 8477931 | Case for electronic device with surface for attaching building elements | |||
| 182 | 8477930 | Case assembly for electronic appliance | |||
| 183 | 8477929 | Method, device and system for line management | |||
| 184 | 8477928 | Crosstalk reducing conductor and contact configuration in a communication system | |||
| 185 | 8472614 | Attenuation and termination circuit using impedance synthesis | |||
| 186 | 8467523 | Method and device for cancelling interference between a signal carried by a carrier power line and a signal carried by a telephone line | |||
| 187 | 8463335 | Battery cover assembly for portable electronic device | |||
| 188 | 8462938 | Power source circuit for use in digital subscriber line modem | |||
| 189 | 8462937 | Power supply with digital control loop | |||
| 190 | 8457291 | Universal target button | |||
| 191 | 8452003 | Power saving technique for telephony access networks | |||
| 192 | 8452001 | Class A-B line driver for gigabit Ethernet | |||
| 193 | 8447030 | Dual mode communication device and method for managing voice communication | |||
| 194 | 8446897 | System and method for providing multimedia tone/announcement over wireless network | |||
| 195 | 8442213 | Method and apparatus for shared positive protection | |||
| 196 | 8437812 | Headset with auxiliary input(s) for cell phone and/or other devices | |||
| 197 | 8437468 | Methods, systems and products for providing modem functions | |||
| 198 | 8437467 | Method and apparatus for non-disruptive telecommunication loop condition determination | |||
| 199 | 8433040 | Telephone switchboard and electronic device for providing power to load having different resistance values at different operation modes | |||
| 200 | 8428250 | Pivot braking structure of relative sliding device | |||
| 201 | 8428249 | Automatic slide cover opening/closing device | |||
| 202 | 8428248 | System and method for mirroring power over ethernet registers in a physical layer device over a single isolation boundary | |||
| 203 | 8422666 | Wall mount telephone and wall mount telephone assembly | |||
| 204 | 8422665 | Telephone device for detecting status of a handset with light detection | |||
| 205 | 8422662 | Splitter wall plates for digital subscriber line (DSL) communication systems and methods to use the same | |||
| 206 | 8422660 | Communication system having common ground mechanism | |||
| 207 | 8416945 | Adaptive duplexing for amplified telephone | |||
| 208 | 8411849 | Personal electronic device storage apparatus and associated method | |||
| 209 | 8411848 | Telephone interface circuit for providing over-current and over-voltage protection | |||
| 210 | 8406420 | Magnetic-push slide cover driving device | |||
| 211 | 8406419 | Slide hinge apparatus | |||
| 212 | 8406418 | Headset with a 360 degrees rotatable microphone boom and function selector | |||
| 213 | 8406417 | Overvoltage protection with power sink | |||
| 214 | 8406414 | Method and apparatus for dynamically scheduling ringing signals | |||
| 215 | 8401513 | Proximity sensor, in particular microphone for reception of sound signals in the human audible sound range, with ultrasonic proximity estimation | |||
| 216 | 8401175 | Internet protocol telephone system | |||
| 217 | 8401174 | System and method for optimizing termination impedance for an analog telephone line | |||
| 218 | 8396520 | Portable terminal having a slide module with a tilting unit | |||
| 219 | 8396207 | Sliding mechanism | |||
| 220 | 8391470 | Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance | |||
| 221 | 8385976 | Multi-SIM cellular telephone | |||
| 222 | 8385538 | Method, system, and apparatus for a differential transformer-free hybrid circuit | |||
| 223 | 8380262 | Slide phone | |||
| 224 | 8379840 | Push-push slide mechanism | |||
| 225 | 8379839 | Method and apparatus for controlling ringing voltage | |||
| 226 | 8379488 | Smart-watch including flip up display | |||
| 227 | 8378746 | Voltage-mode line driving circuit having adaptive impedance matching | |||
| 228 | 8374337 | Slide unit mechanism | |||
| 229 | 8374336 | Portable terminal | |||
| 230 | 8373975 | Protective cover, key assembly using the same and portable electronic device using the key assembly | |||
| 231 | 8370140 | Method of filtering non-steady lateral noise for a multi-microphone audio device, in particular a "hands-free" telephone device for a motor vehicle | |||
| 232 | 8363874 | Receiver | |||
| 233 | 8363824 | Portable electronic device | |||
| 234 | 8363823 | Two microphone uplink communication and stereo audio playback on three wire headset assembly | |||
| 235 | 8363822 | Method and apparatus for battery switching during ringing | |||
| 236 | 8358777 | Wireless telephone having support with built-in antenna | |||
| 237 | 8355515 | Gaming headset and charging method | |||
| 238 | 8351597 | Electronic device, echo canceling method thereof, non-transitory computer readable medium, circuit substrate, and portable telephone terminal device | |||
| 239 | 8351583 | Telecommunication system and method of synchronization | |||
| 240 | 8346308 | Communication device | |||
| 241 | 8346207 | Fault location and control system for distribution lines | |||
| 242 | 8346206 | Customizable media feedback software package and methods of generating and installing the package | |||
| 243 | 8345885 | Sound signal adjustment apparatus and method, and telephone | |||
| 244 | 8345859 | Method and apparatus for DSL line card power management | |||
| 245 | 8345846 | Gate intercom with a wireless telephony interface | |||
| 246 | 8345845 | Public communications intercom system | |||
2012 | |||||
| 247 | 8340625 | Alternative techniques for processing wireless communication backhaul | |||
| 248 | 8340279 | Interference cancellation system | |||
| 249 | 8335312 | Donned and doffed headset state detection | |||
| 250 | 8331554 | Method for pivotably adjusting a first portion of a device in two directions relative to a second portion of the device | |||
| 251 | 8326382 | Slider electronic device | |||
| 252 | 8326381 | Cover plate assembly and method of operation of same | |||
| 253 | 8326377 | Input device and mobile device having the same | |||
| 254 | 8325912 | Handheld device having linkage supporter | |||
| 255 | 8325908 | Method and apparatus for detecting ring trip precursors | |||
| 256 | 8325728 | Dynamic data routing in a utility communications network | |||
| 257 | 8320555 | Method and apparatus for determining a change in network-generated crosstalk levels caused by a multi-line phone | |||
| 258 | 8320552 | Delay estimator | |||
| 259 | 8320318 | Power ramping for RACH | |||
| 260 | 8315378 | Hybrid circuit without inductors | |||
| 261 | 8311210 | Isolated high gain line amplifier circuit | |||
| 262 | 8301188 | Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones | |||
| 263 | 8300803 | Cooperative MIMO for alien noise cancellation (COMAC) for upstream VDSL systems | |||
| 264 | 8300802 | Adaptive filter for use in echo reduction | |||
| 265 | 8290466 | Communication system, communication device, communication terminal, and communication setting method | |||
| 266 | 8290144 | System and method for collecting power from a telephone line | |||
| 267 | 8290133 | System and method for remote home monitoring and intercom communication | |||
| 268 | 8285349 | Sliding portable terminal | |||
| 269 | 8284928 | Guide device for sliding unit in mobile terminal | |||
| 270 | 8284926 | Enterprise-distributed noise management | |||
| 271 | 8280461 | Electronic device including a function button operable by a stylus or similar device | |||
| 272 | 8280038 | Microphone line based detection of headset plug removal | |||
| 273 | 8280035 | IP telephone system | |||
| 274 | 8279716 | Smart-watch including flip up display | |||
| 275 | 8279146 | Liquid crystal display device and mobile communication terminal having the same | |||
| 276 | 8275121 | Portable communication device having a combined slider and flip hinge assembly | |||
| 277 | 8275094 | Method and devices for providing wetting current | |||
| 278 | 8270934 | Configuring network settings for a power line networking device | |||
| 279 | 8270597 | Microphone assembly | |||
| 280 | 8265264 | Waterproof electronic appliance | |||
| 281 | 8260380 | Headset with remote control | |||
| 282 | 8260343 | Electronic devices including vertically mounted loudspeakers and related assemblies and methods | |||
| 283 | 8259931 | Sliding mechanism and electronic device having the same | |||
| 284 | 8259930 | Waterproof structure and electronic equipment | |||
| 285 | 8259929 | Methods and apparatuses to provide a back up power supply for a network interface device | |||
| 286 | 8254566 | Sliding mechanism and electronic device having the same | |||
| 287 | 8254565 | Hand-held device | |||
| 288 | 8254564 | Keypad having keys with angled engagement surfaces, and associated handheld electronic device | |||
| 289 | 8249248 | Telephone with an information panel | |||
| 290 | 8244319 | Split keyboard with a dual battery pack | |||
| 291 | 8243961 | Controlling microphones and speakers of a computing device | |||
| 292 | 8243918 | Outlet add-on module | |||
| 293 | 8238548 | Controlling echo during double-talk in a voice conference | |||
| 294 | 8233612 | Network apparatus capable of canceling far-end-crosstalk and network signal processing method thereof | |||
| 295 | 8233602 | Authentication apparatus | |||
| 296 | 8229106 | Apparatus and methods for enhancement of speech | |||
| 297 | 8229105 | Purposeful degradation of sidetone audio for providing feedback about transmit-path signal quality | |||
| 298 | 8218758 | Sliding rail structure of a sliding cell phone and its methods | |||
| 299 | 8218756 | User-controllable equalization for telephony | |||
| 300 | 8213895 | Multi-wideband communications over multiple mediums within a network | |||
| 301 | 8213600 | Sliding mechanism | |||
| 302 | 8213599 | Spring, semi-automatic sliding device using the same and sliding-type portable communication terminal | |||
| 303 | 8208673 | Miniaturized acoustic boom structure for reducing microphone wind noise and ESD susceptibility | |||
| 304 | 8208624 | Hearing aid compatible mobile phone | |||
| 305 | 8204472 | Multi-wideband communications over power lines | |||
| 306 | 8204212 | Phone and method for reducing noise in a subscriber line interface circuit thereof | |||
| 307 | 8204211 | Systems and methods for selecting tones for far-end cross talk mitigation | |||
| 308 | 8204175 | Electronic surveillance via correlation of call legs | |||
| 309 | 8200281 | Secure removable card and a mobile wireless communication device | |||
| 310 | 8200236 | Method and apparatus for triggering a state change for a communication device | |||
| 311 | 8199927 | Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter | |||
| 312 | 8199906 | Implementation of a communication link in powered device for layer 2 support | |||
| 313 | 8190191 | Mobility middleware architecture for multiple radio access technology apparatus | |||
| 314 | 8190183 | System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication | |||
| 315 | 8189753 | Distributed intercom system with audio bus | |||
| 316 | 8184790 | Notification of dropped audio in a teleconference call | |||
| 317 | 8175263 | Integrated thin client and telephony device | |||
| 318 | 8175262 | Per tone coprocessor architecture | |||
| 319 | 8170545 | Information technology support system and method | |||
| 320 | 8170524 | Power line communication system and an intelligent meter | |||
| 321 | 8170202 | Method, terminal device and communication system for programming a button of a communication terminal device | |||
| 322 | 8170201 | Power feeding system for telephone terminal in LAN | |||
| 323 | 8165284 | Slide module and portable terminal having the same | |||
| 324 | 8165283 | Advanced ADSL splitter | |||
| 325 | 8160650 | Bidirectional slide-type mobile communication terminal and method of providing graphic user interface thereof | |||
| 326 | 8160237 | Multi-stage differential warping amplifier and method | |||
| 327 | 8150323 | Mobile communication terminal and method for inputting/outputting voice during playback of music data by using bluetooth | |||
| 328 | 8144852 | Method and apparatus for spectral containment over telephone service lines | |||
| 329 | 8140055 | Method for performing digital broadcasting service in a dual-hinge type mobile terminal | |||
| 330 | 8140049 | Power line communication methods and devices | |||
| 331 | 8139762 | Electronic device and acoustic playback method | |||
| 332 | 8135157 | Headset with adjustable boom | |||
| 333 | 8135127 | Method and apparatus for detecting and responding to events occurring on remote telephone | |||
| 334 | 8130942 | Antihelix-conforming ear-mount for personal audio-set | |||
| 335 | 8130939 | Maintaining convergence of a receiver during changing conditions | |||
| 336 | 8126138 | Integrated speaker assembly for personal media device | |||
| 337 | 8121283 | Tapered capacitive sensing structure | |||
| 338 | 8116813 | System for product retrieval using a coded surface | |||
| 339 | 8111824 | Control circuit for controlling a DC supply voltage for a terminal | |||
| 340 | 8102995 | Communication device and telephone communication method thereof | |||
| 341 | 8099145 | Electronic device | |||
| 342 | 8098814 | Handheld electronic device with keyboard | |||
| 343 | 8098812 | Method of controlling an adaptation of a filter | |||
| 344 | 8095132 | Remote SIM card replacement and activation process | |||
| 345 | 8090096 | Tilting mechanism and electronic apparatus | |||
| 346 | 8090095 | Method and apparatus for power-mode control | |||
| 347 | 8089901 | Communicating in a network that includes a medium having varying transmission characteristics | |||
2011 | |||||
| 348 | 8086194 | Communication apparatus | |||
| 349 | 8081950 | Power line communication apparatus and power line communication method | |||
| 350 | 8081789 | Microphone holder and microphone device using same | |||
| 351 | 8081752 | Method and apparatus for reducing crosstalk between digital subscriber lines | |||
| 352 | 8077860 | Accessory structure for portable electronic devices | |||
| 353 | 8073508 | Slide module and mobile terminal having the same | |||
| 354 | 8073504 | Portable terminal | |||
| 355 | 8073138 | Information input device, and electronic apparatus using same | |||
| 356 | 8073136 | Methods and systems for compensating for alien crosstalk between connectors | |||
| 357 | 8073135 | Binder identification | |||
| 358 | 8068884 | Acoustic echo reduction circuit for a "hands-free" device usable with a cell phone | |||
| 359 | 8064595 | Adaptive mute | |||
| 360 | 8064593 | Auto host disconnect on loss of power to a headset amplifier | |||
| 361 | 8064592 | Adaptive communication systems and methods | |||
| 362 | 8064591 | Sound pick-up method and device, in particular for handsfree telephone terminals | |||
| 363 | 8060055 | Method, system and color ring back tone platform for downloading media resources to terminal | |||
| 364 | 8055406 | Hands-free system, navigation system, and terminal memory data management method | |||
| 365 | 8055004 | Fiber optic earpiece to reduce radiation transmitted to a cell phone user | |||
| 366 | 8051309 | Method and apparatus to combine power and control signals in a mobile computing device | |||
| 367 | 8050720 | Speed dialing method for displaying contact information and mobile communication device using the same | |||
| 368 | 8050398 | Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone | |||
| 369 | 8050397 | Multi-tone signal discriminator | |||
| 370 | 8046032 | Panel construction for housing keypads of mobile computing device | |||
| 371 | 8045704 | Electronic apparatus and jig system | |||
| 372 | 8041066 | Wireless system for hearing communication devices providing wireless stereo reception modes | |||
| 373 | 8041016 | Method and device for access communication/control | |||
| 374 | 8036723 | Keypad and microphone arrangement | |||
| 375 | 8036713 | Apparatus and method for providing standby screen image of mobile terminal | |||
| 376 | 8032192 | Portable terminal and sliding/swing-type cradling apparatus thereof | |||
| 377 | 8031864 | Dual-purpose hardware aperture | |||
| 378 | 8031178 | Keyboard with chassis structure | |||
| 379 | 8027464 | Holding apparatus for accommodating a mobile telephone | |||
| 380 | 8027463 | Fixed telephone set capable of preventing howling and temperature rise of a handset | |||
| 381 | 8027461 | Systems and methods for splitting telecommunication signals with reduced noise | |||
| 382 | 8024019 | Portable information terminal | |||
| 383 | 8023642 | Method for extending ethernet over twisted pair conductors and to the telephone network and plug-in apparatus for same employing standard mechanics | |||
| 384 | 8019077 | Methods and apparatus for low voltage control of a subscriber line interface circuit | |||
| 385 | 8014518 | Patch panel apparatus and system including patch cord path tracing | |||
| 386 | 8014412 | Power sourcing equipment having bipolar junction transistor for controlling power supply and supporting AC disconnect-detection function | |||
| 387 | 8009825 | Signal processing | |||
| 388 | 8005208 | Sealing assembly and sliding cover mechanism using the sealing assembly | |||
| 389 | 8005207 | Microphone coupler system for a communication device | |||
| 390 | 8005206 | VDSL splitter | |||
| 391 | 8005205 | Protective plug for distribution frame devices in telecommunications and data technology | |||
| 392 | 8000466 | Method and apparatus for multiparty collaboration enhancement | |||
| 393 | 7995747 | Weather guard | |||
| 394 | 7991149 | Information input device, and electronic apparatus using same | |||
| 395 | 7991148 | Display cover and case for a communication device | |||
| 396 | 7991147 | Handset device with laminated architecture | |||
| 397 | 7986982 | Handset device | |||
| 398 | 7986802 | Portable electronic device and personal hands-free accessory with audio disable | |||
| 399 | 7986777 | Stand for desktop telephone | |||
| 400 | 7983908 | Noise-canceling device for voice communication terminal using configurable multiple digital filters | |||
| 401 | 7983413 | VoIP accessory | |||
| 402 | 7980952 | Storage medium having information processing program stored thereon and information processing apparatus | |||
| 403 | 7978845 | Powered patch panel | |||
| 404 | 7970374 | Multi-wideband communications over power lines | |||
| 405 | 7970126 | Communication terminal with movable display | |||
| 406 | 7970125 | Output stacking architecture for an amplifier | |||
| 407 | 7966046 | Mobile communication and/or gaming terminal | |||
| 408 | 7965835 | Three-dimensional multi-foldable device | |||
| 409 | 7962118 | Method for transmitting a signal on a power line network, transmitting unit, receiving unit and system | |||
| 410 | 7961869 | Hands-free voice communication apparatus with speakerphone and earpiece combo | |||
| 411 | 7961848 | Internet facilitated emergency and general paging system | |||
| 412 | 7961846 | Interface device for testing a telecommunication circuit | |||
| 413 | 7957771 | Hands-free conferencing apparatus and method for use with a wireless telephone | |||
| 414 | 7957717 | System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication | |||
| 415 | 7949127 | Headset | |||
| 416 | 7945043 | Hands-free telephone holder | |||
| 417 | 7945042 | Method for switching active calls | |||
| 418 | 7940924 | Reversible behind-the-head mounted personal audio set with pivoting earphone | |||
| 419 | 7940923 | Speakerphone with a novel loudspeaker placement | |||
| 420 | 7937065 | System and method for communicating over neutral power lines | |||
| 421 | 7933401 | Key assembly | |||
| 422 | 7929940 | System and method for transmitting wireless digital service signals via power transmission lines | |||
| 423 | 7925239 | Power line communication apparatus and power line communication method | |||
| 424 | 7925005 | Longitudinal balance calibration for a subscriber line interface circuit | |||
| 425 | 7920698 | Microphone systems for telephones | |||
| 426 | 7917098 | Configurable frequency band elimination for powerline network | |||
| 427 | 7912444 | Media portion selection system and method | |||
| 428 | 7907978 | Mobile terminal | |||
| 429 | 7907721 | Headset with auxiliary input jacks(s) for cell phone and/or other devices | |||
| 430 | 7903809 | Power management for serial-powered device connections | |||
| 431 | 7899436 | Multi-wideband communications over power lines | |||
| 432 | 7899181 | Vehicular holding module capable of zooming information displayed on a screen and related vehicular electronic module | |||
| 433 | 7894620 | Speaker set and mobile phone incorporating the same | |||
| 434 | 7894487 | Time synchronization in a network | |||
| 435 | 7889860 | Securable cradle for handheld devices | |||
| 436 | 7885690 | Methods for driving devices capable of displaying images and processing audio messages | |||
| 437 | 7885634 | High frequency signal hub | |||
| 438 | 7885633 | Power line communication methods and devices | |||
| 439 | 7885403 | Radiotelephone | |||
| 440 | 7885402 | Gain control | |||
| 441 | 7881463 | Wireless digital subscriber line device having reduced RF interference | |||
| 442 | 7881462 | Outlet add-on module | |||
| 443 | 7881461 | Method and apparatus for conveying bidirectional data, power and timing signals using a single transformer | |||
| 444 | 7881458 | Method and apparatus for adaptive hybrid termination in a multi-carrier communication system | |||
| 445 | 7877078 | Power line communication networks and methods employing multiple widebands | |||
| 446 | 7873159 | Portable electronic apparatus | |||
| 447 | 7869589 | Piezoelectric user interface | |||
| 448 | 7869199 | Battery cover assembly for portable electronic device | |||
| 449 | 7864949 | Keyboard arrangement and mobile communication device incorporating the same | |||
| 450 | 7864035 | System and method for determining whether a cordless handset is at a base unit | |||
2010 | |||||
| 451 | 7860238 | Communication terminal and additional function module thereof | |||
| 452 | 7860237 | Information input device, and electronic apparatus using the same | |||
| 453 | 7853238 | Powerline base station | |||
| 454 | 7853237 | Power supplying apparatus, power line communication apparatus, power line communication system, and power supplying method | |||
| 455 | 7853009 | Electronic device having a single-split hinge | |||
| 456 | 7853008 | Supply circuit for supplying a two-wire line | |||
| 457 | 7853007 | Conference terminal with echo reduction for a voice conference system | |||
| 458 | 7848730 | Method of controlling interference from a transmitter in one communication system to a receiver in another communication system | |||
| 459 | 7848512 | Personal audio device accessory | |||
| 460 | 7848511 | Telecommunications-terminal mute detection | |||
| 461 | 7844050 | Biaxial hinge device for mobile terminal and mounting mechanism thereof | |||
| 462 | 7840243 | Antenna arrangement in a mobile terminal apparatus | |||
| 463 | 7840222 | Reverse lookup of mobile location | |||
| 464 | 7839997 | Circuit for preventing unauthorized access to phones | |||
| 465 | 7839996 | Folding electronic device, connecting component and camera unit | |||
| 466 | 7839994 | Class A-B line driver for gigabit Ethernet | |||
| 467 | 7839993 | Echo canceling arrangement | |||
| 468 | 7839881 | Projection headset | |||
| 469 | 7835515 | Telephone terminal with control of voice reproduction quality in the receiver | |||
| 470 | 7831038 | Smart interface technology | |||
| 471 | 7831037 | Four column keypad | |||
| 472 | 7822059 | Managing contention-free time allocations in a network | |||
| 473 | 7817798 | Compact beamforming microphone assembly | |||
| 474 | 7813495 | Apparatus and method for automatic gain control and echo cancellation in a network system | |||
| 475 | 7804955 | Flexible key plate | |||
| 476 | 7801296 | xDSL-line-interface-circuit | |||
| 477 | 7796749 | Electronic device | |||
| 478 | 7796748 | Telecommunication terminal able to modify the voice transmitted during a telephone call | |||
| 479 | 7792555 | Hinge device and portable electronic apparatus | |||
| 480 | 7792284 | Washable shell for a handheld electronic device | |||
| 481 | 7792283 | Panel attachment assembly, panel attachment method and telephone | |||
| 482 | 7792259 | Collective housing intercom system | |||
| 483 | 7787618 | Portable electronic device | |||
| 484 | 7787617 | Communication terminal | |||
| 485 | 7787616 | Portable communication apparatus | |||
| 486 | 7783478 | Two stage frequency subband decomposition | |||
| 487 | 7783034 | Communication privacy mask | |||
| 488 | 7783033 | Network breaker | |||
| 489 | 7778411 | Universal microphone array stand | |||
| 490 | 7778410 | Personal audio listening device | |||
| 491 | 7778407 | Statistical approach to automatic gain control for managing audio messages over a network | |||
| 492 | 7778401 | Communication apparatus | |||
| 493 | 7773745 | Opening mechanism having a solid body, a movable body and a guide mechanism for sliding the movable body with respect to the solid body | |||
| 494 | 7764943 | Overhead and underground power line communication system and method using a bypass | |||
| 495 | 7764784 | Handset cradle | |||
| 496 | 7764775 | Distributed intercom system | |||
| 497 | 7761079 | Power line communication device and method | |||
| 498 | 7760869 | Method and apparatus for controlling the transmit volume level of a speakerphone | |||
| 499 | 7756266 | Device for voltage-noise rejection and fast start-up | |||
| 500 | 7756260 | Method for providing features to the user of a telephone, a central unit and a telecommunication system therefor | |||
| 501 | 7751795 | Wired, wireless, infrared, and powerline audio entertainment systems | |||
| 502 | 7751650 | Image processing device image processing program and image processing method | |||
| 503 | 7751555 | Angle variable mechanism and desktop apparatus | |||
| 504 | 7751543 | System and method for button-independent dispatch communications | |||
| 505 | 7750495 | Power line adapter and method of controlling power line adapter operated in power-saving mode | |||
| 506 | 7747010 | Telephony software client application for handling the insertion and removal of logical audio devices | |||
| 507 | 7747009 | Retaining device for mobile user devices | |||
| 508 | 7747008 | Voice absorber for portable telephonic devices | |||
| 509 | 7747007 | Protective cover for portable communication device | |||
| 510 | 7747006 | Handset and base unit with semi-translucent finish | |||
| 511 | 7747005 | Opening and closing mechanism, and electronic device | |||
| 512 | 7747004 | Devices and methods for acoustic usability | |||
| 513 | 7747003 | Wireless headset apparatus and methods | |||
| 514 | 7747000 | Subscriber line driver with equalizer | |||
| 515 | 7746995 | Telephone control system | |||
| 516 | 7742593 | Telephone handset for a broadband telecommunication system | |||
| 517 | 7738656 | Portable terminal device | |||
| 518 | 7738654 | Isolation of transmit and receive signals | |||
| 519 | 7738653 | Method for selecting impedance setting for loop start trunk line | |||
| 520 | 7734040 | Modular housing system for outside plant telecommunications equipment | |||
| 521 | 7734039 | Telephone apparatus | |||
| 522 | 7734037 | Remote terminal unit connector | |||
| 523 | 7729684 | Combined global positioning system receiver and radio | |||
| 524 | 7729493 | Cover for mobile computer | |||
| 525 | 7729492 | Portable communication device having a multi-axis hinge assembly | |||
| 526 | 7729491 | Method and device for amplifying a reception signal | |||
| 527 | 7729372 | Communicating in a network that includes a medium having varying transmission characteristics | |||
| 528 | 7725096 | Multi-wideband communications over power lines | |||
| 529 | 7724895 | Cordless telephone apparatus | |||
| 530 | 7720234 | Communications interface device | |||
| 531 | 7720218 | Telephone with enhanced function display and selection ability | |||
| 532 | 7720217 | Mute condition indicator | |||
| 533 | 7720216 | Acoustic pass through for handsets | |||
| 534 | 7720201 | Communication apparatus | |||
| 535 | 7715817 | Methods and systems for providing wireless communications through a utility pole mounted antenna | |||
| 536 | 7715816 | Methods and systems for providing wireless network communications | |||
| 537 | 7715550 | Telephone line interface, side-tone attenuation circuit and method | |||
| 538 | 7711112 | Hinge, and opening/closing type portable terminal device having the same | |||
| 539 | 7711111 | Assembling structure of back cover for mobile phone | |||
| 540 | 7711110 | Universal speakerphone with adaptable interface | |||
| 541 | 7711109 | System and method for subliminal time domain duplexing | |||
| 542 | 7706527 | Interruption device for a data communication line | |||
| 543 | 7706526 | Method and apparatus for powering electronics associated with a telephone line twisted pair | |||
| 544 | 7706525 | Systems and methods for side-tone noise suppression | |||
| 545 | 7706515 | Programmable paging controller with programmable switch contact | |||
| 546 | 7702122 | Headgear for docking and listening to portable audio devices | |||
| 547 | 7702096 | Self-cradling type portable terminal | |||
| 548 | 7697679 | Telephone set having a handset with an integrated pointing device | |||
| 549 | 7697674 | Gate intercom with a wireless telephony interface | |||
| 550 | 7693523 | Implementation of collaborative telecommunications services | |||
| 551 | 7689175 | Configurable frequency band elimination for powerline network | |||
| 552 | 7688971 | Network telephone expansion seat | |||
| 553 | 7688969 | Operation dial with rotary encoder | |||
| 554 | 7685340 | Method and system for programmable input/output transceiver wherein transceiver in configurable to support a plurality of interface standards | |||
| 555 | 7684837 | Cellular phone and cellular phone manufacturing method | |||
| 556 | 7684836 | Portable terminal device of the foldable type | |||
| 557 | 7684583 | In-ear type and ear-plug type earphone with adjustable volume of front chamber between speaker and housing | |||
| 558 | 7684562 | Telephone sanitizing glove | |||
| 559 | 7684560 | Earset | |||
| 560 | 7684499 | Multi-band line interface circuit with line side cancellation | |||
| 561 | 7680267 | Headset with a retractable speaker portion | |||
| 562 | 7680251 | Prevention of an alarm activation and supporting methods and apparatus | |||
| 563 | 7676036 | Input device and personal mobile terminal having the same | |||
| 564 | 7672451 | Small sized hinge device for use in electronic handheld device | |||
| 565 | 7672448 | Network interface device with a remote power source | |||
| 566 | 7668309 | Portable accessory holder | |||
| 567 | 7668308 | In-the-ear headset and headphone enhancements | |||
| 568 | 7668307 | Reconfigurable and moldable electronic device | |||
| 569 | 7664256 | Mobile terminal apparatus | |||
| 570 | 7664255 | Hands free aural device holder | |||
| 571 | 7660411 | Portable telephone | |||
| 572 | 7660410 | Cellular phone apparatus with keyboard | |||
| 573 | 7660409 | Multi-dwelling unit module for passive optical networks | |||
| 574 | 7660408 | Attenuation and termination circuit using impedance synthesis | |||
| 575 | 7657027 | Portable terminal with hinge apparatus | |||
| 576 | 7657026 | Sliding mechanism for slide-type portable electronic device | |||
| 577 | 7657025 | Microphone module and method for fabricating the same | |||
| 578 | 7657023 | Splitter wall plates for digital subscriber line (DSL) communication systems and methods to use the same | |||
| 579 | 7649989 | Wearable terminal holder with pivoting D-rings | |||
| 580 | 7646866 | Slide module for a slide type electronic device | |||
| 581 | 7646865 | Telephone handset coupling system | |||
| 582 | 7646864 | Foot-actuated call answer-end apparatus | |||
| 583 | 7646863 | Movement powered headset | |||
| 584 | 7646862 | Speakerphone with a novel loudspeaker placement | |||
| 585 | 7643631 | Enclosure for broadband service delivery system | |||
| 586 | 7643629 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications | |||
2009 | |||||
| 587 | 7639795 | Hinge device and method for wireless communication device | |||
| 588 | 7636437 | Telescopic structure for a telephone apparatus | |||
| 589 | 7634082 | Retractable telephone holding unit | |||
| 590 | 7634081 | Method for manufacturing electronic device panel and structure thereof | |||
| 591 | 7634080 | Multifunctional keyboard for a mobile communication device and method of operating the same | |||
| 592 | 7634071 | Auto switch system and method thereof for IP phone and default audio device | |||
| 593 | 7630491 | Speaker enhancer and method of use | |||
| 594 | 7630490 | Method and apparatus for DC feed | |||
| 595 | 7630489 | Adaptive communication systems and methods | |||
| 596 | 7627304 | Power line communication apparatus and power line communication method | |||
| 597 | 7627112 | Sound guide for speaker and handset for mobile communication using the same | |||
| 598 | 7623654 | Systems and methods for interfacing telephony devices with cellular and computer networks | |||
| 599 | 7623653 | Systems and methods for passing through alternative network device features to plain old telephone system (POTS) devices | |||
| 600 | 7623641 | Audio communication unit | |||
| 601 | 7623640 | Door intercom system | |||
| 602 | 7620176 | Adjustable view stand | |||
| 603 | 7620175 | Handset device with audio porting | |||
| 604 | 7620174 | Touchpad | |||
| 605 | 7620173 | Headset with integrated boom clip | |||
| 606 | 7620171 | Method and apparatus for powering a DS3 device | |||
| 607 | 7616774 | Clampless headset mounting assembly | |||
| 608 | 7616760 | Headset for use with a communication and/or multimedia device | |||
| 609 | 7616759 | Telephone line switching device | |||
| 610 | 7613294 | Hands free aural device holder | |||
| 611 | 7613293 | Hinge apparatus for a portable terminal and portable terminal having the same | |||
| 612 | 7612680 | First aid information for cellular telephones and electronic devices | |||
| 613 | 7609833 | Rotating module | |||
| 614 | 7599487 | Sliding type hinge device and personal portable device using the same | |||
| 615 | 7599486 | Telescopic boom with conductive spring connectors | |||
| 616 | 7596390 | Cellular phone | |||
| 617 | 7593524 | Hinge arrangement | |||
| 618 | 7593031 | Integrated desktop videoconferencing system | |||
| 619 | 7590404 | Surface wave communications between a remote antenna and a base station that is co-located with another base station | |||
| 620 | 7590384 | Method for operating a near field communication system | |||
| 621 | 7590242 | Selective multimedia data encryption | |||
| 622 | 7590234 | Keypad with flanged keys for high audio front porting communication products | |||
| 623 | 7587043 | Seals for communication devices and method for assembling communication device | |||
| 624 | 7587042 | High performance ADSL line conditioner system and method | |||
| 625 | 7583952 | Access pointer for interconnecting power line communication network and wireless network and method therefor | |||
| 626 | 7580518 | Dual-axes hinge part for hinged components | |||
| 627 | 7580509 | Telephone hook switch using non-contact capacitive sensor and telephone using the same | |||
| 628 | 7577468 | Exchangeable covers for radio communication terminals | |||
| 629 | 7574002 | Mechanical key lock for portable electronic devices and portable electronic devices including the same | |||
| 630 | 7574001 | Internet protocol telephone system | |||
| 631 | 7570978 | Apparatus and method for preventing an unintentional activation of a mobile communication device | |||
| 632 | 7570758 | Protective sleeve for telephone handsets | |||
| 633 | 7570757 | Tilt mechanism for communication device | |||
| 634 | 7567667 | Inmate telephones having inmate-movable telephone bodies | |||
| 635 | 7567666 | Method and apparatus for crosstalk mitigation | |||
| 636 | 7567660 | Message pad subsystem for a software-based intercom system | |||
| 637 | 7564968 | Voice containment device for a telephone | |||
| 638 | 7564967 | Electronic device with two-dimensional sliding cover and two-dimensional slide apparatus | |||
| 639 | 7564966 | Recognition of audio device in portable terminal | |||
| 640 | 7564965 | Wire communication terminal having LCD module | |||
| 641 | 7564963 | Multi-handset telephone system | |||
| 642 | 7561867 | Multi-unit power line communications system and method | |||
| 643 | 7561687 | Hinge assembly for a foldable electronic device | |||
| 644 | 7561686 | Mobile terminal | |||
| 645 | 7561685 | Handheld electronic device with keyboard | |||
| 646 | 7561684 | Mounting structure for an electroacoustic transducer | |||
| 647 | 7561683 | Method for measuring resistance for a subscriber line interface circuit using a protective circuit | |||
| 648 | 7558385 | Impedance adapter for a high-bandwidth transmission channel of a copper-wired terminal system | |||
| 649 | 7557676 | Signal transmission circuit, electronic device, cable, and connector | |||
| 650 | 7555120 | Slide type mobile terminal | |||
| 651 | 7555119 | Device for automatically lifting a cover of mobile phone by pressing | |||
| 652 | 7555118 | Microphone coupler for a communication device | |||
| 653 | 7552050 | Speech recognition system and method utilizing adaptive cancellation for talk-back voice | |||
| 654 | 7551735 | Housing for an electronic device, and method for making the same | |||
| 655 | 7548617 | Bluetooth earphone | |||
| 656 | 7542565 | Foldable cellular phone | |||
| 657 | 7542564 | Headset with integral hook | |||
| 658 | 7542563 | Retractable headset for an audio playback system | |||
| 659 | 7542562 | Method for automatically adapting levels of signals exchanged in a communication network | |||
| 660 | 7539479 | Use of T1 facility data link to transport status and configuration data packets for loop-powered T1 radio | |||
| 661 | 7539303 | Keypad assembly | |||
| 662 | 7539302 | Dockable earpiece for portable phones | |||
| 663 | 7539299 | Office-line trunk circuit operating on ground-start and loop-start modes, method of controlling same, and control program for same | |||
| 664 | 7537964 | Method of fabricating a miniature silicon condenser microphone | |||
| 665 | 7536010 | Exchange system, button telephone set and exchange | |||
| 666 | 7536009 | Folder type mobile terminal | |||
| 667 | 7532719 | Voice absorber for portable telephonic devices | |||
| 668 | 7532718 | Headphone receiver apparatus for use with low power transmitters | |||
| 669 | 7529566 | Speakerphone with a cellular phone connection | |||
| 670 | 7529564 | Timed ring suppressor | |||
| 671 | 7529545 | Sound enhancement for mobile phones and others products producing personalized audio for users | |||
| 672 | 7529364 | Protective cover for electronic device | |||
| 673 | 7526083 | Ground connecting apparatus for mobile terminal | |||
| 674 | 7526082 | Portable terminal and opening or closing method therefor | |||
| 675 | 7522946 | Hinge apparatus for mobile communication terminals | |||
| 676 | 7522722 | System and method for interfacing plain old telephone system (POTS) devices with cellular devices in communication with a cellular network | |||
| 677 | 7519176 | Key telephone set having interchangeable units | |||
| 678 | 7519175 | Integral microphone and speaker configuration type two-way communication apparatus | |||
| 679 | 7519174 | Communication terminal with casing conductors for reducing antenna gain degradation | |||
| 680 | 7515898 | Connect customized ring back tone service only at one MSC when intersystem page is involved | |||
| 681 | 7515709 | Modular apparatus holder with multipurpose intermediate support member for supporting minicomputers, cell phones and similar apparatus | |||
| 682 | 7515708 | Privacy case for telephones | |||
| 683 | 7515707 | Portable apparatus having two rotatable and foldable units and hinge device used for the same | |||
| 684 | 7515706 | Headset with retractable cord for portable devices with automatic switching capability | |||
| 685 | 7515705 | Folding type portable terminal | |||
| 686 | 7515703 | Method and system for determining conference call embellishment tones and transmission of same | |||
| 687 | 7512229 | Key unit, method for marking key top, and method for manufacturing key unit using the same | |||
| 688 | 7511515 | System for providing power over communication cable having mechanism for determining resistance of communication cable | |||
| 689 | 7509114 | Redundant powered device circuit | |||
| 690 | 7508933 | Resonance chamber of a cellular phone | |||
| 691 | 7508932 | Cell phone holder headband | |||
| 692 | 7508929 | Apparatus and method of simulating telephone "in use" signals in a line in a telephone ring system | |||
| 693 | 7505602 | Mobile device with improved acoustic porting | |||
| 694 | 7505582 | Hinge mechanism having multiple axes of rotation for positioning of a mobile communication device | |||
| 695 | 7505581 | Folder type mobile terminal | |||
| 696 | 7502462 | Keyboard for a mobile device | |||
| 697 | 7499540 | Device having pivotable hinges | |||
| 698 | 7499539 | Telephone line power supply | |||
| 699 | 7496638 | Launching a web site using a portable scanner | |||
| 700 | 7496195 | Waterproof flip phone case | |||
| 701 | 7496194 | Sliding and swing apparatus for a portable apparatus | |||
| 702 | 7493100 | Compensating for dynamic nulls in a power line communication system | |||
| 703 | 7492893 | Rotation open and close type mobile terminal | |||
| 704 | 7492892 | Slide opening/closing type mobile device | |||
| 705 | 7492890 | Integrated corded system connector for a wireless communications device | |||
| 706 | 7492889 | Noise suppression based on bark band wiener filtering and modified doblinger noise estimate | |||
| 707 | 7489778 | Mobile communication terminal with rotary camera | |||
| 708 | 7486972 | Hands-free telephone apparatus | |||
| 709 | 7486788 | Transceiver with integrated hybrid circuit | |||
| 710 | 7486787 | Subscriber line interface circuitry with common base audio isolation stage | |||
| 711 | 7483688 | Network device with hybrid-mode transmitter | |||
| 712 | 7483531 | Telephone bill reducer | |||
| 713 | 7480379 | Mobile electronic equipment | |||
| 714 | 7480378 | Method and system for increasing subscriber line interface circuit voltage during ringing | |||
| 715 | 7477737 | Electronic apparatus, and cover and structural body thereof | |||
| 716 | 7474747 | Electronic communication device including audio channeling | |||
2008 | |||||
| 717 | 7466820 | Rotating apparatus for liquid crystal display | |||
| 718 | 7466818 | Acoustic shock prevention | |||
| 719 | 7463877 | PLC breaker bridge | |||
| 720 | 7463734 | Display window cover assemblies and electronic devices and methods using the same | |||
| 721 | 7463732 | Flexible data outlet | |||
| 722 | 7460664 | Handsfree system and incoming call answering method in handsfree system | |||
| 723 | 7460663 | System and method for distributing network communication signals | |||
| 724 | 7460661 | Method and means for increasing inherent channel capacity for wired network | |||
| 725 | 7457407 | Mobile phone and battery-fixing device thereof | |||
| 726 | 7457405 | Enhanced low pass filter | |||
| 727 | 7456994 | Mobile telecommunications device with stylus having printhead tip | |||
| 728 | 7454014 | Device with a loudspeaker and an ear piece cover | |||
| 729 | 7454013 | Multiuse telecommunications power system | |||
| 730 | 7453943 | Hybrid circuit for broadband modems | |||
| 731 | 7453352 | Data communication over a power line | |||
| 732 | 7450715 | Transceiver for bidirectional frequency division multiplexed transmission | |||
| 733 | 7450712 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications | |||
| 734 | 7447309 | Hinge mechanism | |||
| 735 | 7447308 | Low-noise transmitting receiving earset | |||
| 736 | 7443967 | Second communication during ring suppression | |||
| 737 | 7437140 | Power line network bridge | |||
| 738 | 7436952 | Earset microphone | |||
| 739 | 7436951 | Portable interconnection system for incompatible audio communication networks | |||
| 740 | 7433468 | Electrical device for adjusting the angle between a top module and a bottom module | |||
| 741 | 7433467 | Portable wireless terminal with ground connecting device which uses a hinge device | |||
| 742 | 7433466 | Radio handset | |||
| 743 | 7430412 | Digitally programmable continuously variable precision microwave attenuator | |||
| 744 | 7430291 | Common mode transmission line termination | |||
| 745 | 7426379 | Method and system for sound mitigation during initiation of a packet-based real-time media session | |||
| 746 | 7419099 | Portable terminal and swing hinge module thereof | |||
| 747 | 7409059 | Portable terminal unit | |||
| 748 | 7409058 | Display cover for a communication device | |||
| 749 | 7409052 | Universal intercom adapter for varying residential wiring systems | |||
| 750 | 7406172 | Reversible behind-the-head mounted personal audio set with pivoting earphone | |||
| 751 | 7403613 | Holder for supporting objects in vehicle | |||
| 752 | 7403612 | Slide mechanism | |||
| 753 | 7403611 | Small size hands-free speakerphone apparatus | |||
| 754 | 7400914 | Wireless headphones with connector socket | |||
| 755 | 7400721 | Pivot apparatus and method thereof | |||
| 756 | 7400720 | System and method for optimizing digital subscriber line based services | |||
| 757 | 7400719 | Subscriber line interface circuitry transceiver | |||
| 758 | 7400716 | Multifunctional intercom system with message recording/retrieval functions | |||
| 759 | 7398341 | Method and system for programmable input/output transceiver wherein transceiver is configurable to support a plurality of interface standards | |||
| 760 | 7397914 | Multiple path hybrid for subscriber line services | |||
| 761 | 7394899 | Device for transforming a digital signal into an acoustic one, and that makes use of a standard phase modulation | |||
| 762 | 7394898 | Echo removing apparatus | |||
| 763 | 7391863 | Method and system for an interchangeable headset module resistant to moisture infiltration | |||
| 764 | 7391862 | Communication unit | |||
| 765 | 7391861 | Input devices and their use | |||
| 766 | 7388956 | Weather guard | |||
| 767 | 7386119 | Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA) | |||
| 768 | 7381589 | Silicon condenser microphone and manufacturing method | |||
| 769 | 7379763 | Automatic sliding mechanism | |||
| 770 | 7376231 | Abuse resistant safety telephone and method of adaptation | |||
| 771 | 7376230 | Mobile phone and battery-release device | |||
| 772 | 7369838 | Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input | |||
| 773 | 7369655 | Telephone handset universal connector | |||
| 774 | 7366298 | Headset | |||
| 775 | 7366296 | Network support for voice path signal strength balancing | |||
| 776 | 7363045 | Systems and methods for exchanging data and audio between cellular telephones and landline telephones | |||
| 777 | 7362858 | High-speed telephone connection | |||
| 778 | 7362857 | Subscriber line interface circuitry transceiver | |||
| 779 | 7362856 | Subscriber line interface circuitry transceiver | |||
| 780 | 7362855 | Subscriber line interface circuitry transceiver | |||
| 781 | 7359738 | Method and apparatus for establishing an audio link to a wireless earpiece in reduced time | |||
| 782 | 7359506 | Opening and closing device and electronic equipment using the same | |||
| 783 | 7352859 | Audio earpiece for wideband telephone handsets | |||
| 784 | 7352857 | Method and apparatus for spectral containment over telephone service lines | |||
| 785 | 7349723 | Keypad and microphone arrangement | |||
| 786 | 7349536 | Techniques for providing uninterrupted digital communications to customers coupled to local loop generation equipment | |||
| 787 | 7346332 | Wired, wireless, infrared, and powerline audio entertainment systems | |||
| 788 | 7346158 | Method and system for wiring a digital subscriber line circuit | |||
| 789 | 7343182 | Automatic sliding mechanism | |||
| 790 | 7340052 | Multifunctional electronic device | |||
| 791 | 7340051 | Power ramp-up in a line-powered network element system | |||
| 792 | 7339924 | Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) | |||
| 793 | 7336944 | Method and apparatus for legal intercept monitoring of a cellular telephone modem (CTM) device | |||
| 794 | 7336782 | Wiring structure for folding portable device | |||
| 795 | 7336781 | Latching assembly for a removable cover of a portable electronic device | |||
| 796 | 7336780 | Differential signaling transmission circuit | |||
| 797 | 7333607 | Replaceable panel device for a handset | |||
| 798 | 7333606 | Splitter architecture for a telecommunications system | |||
| 799 | 7333604 | Adaptive notification of an incoming call in a mobile phone | |||
| 800 | 7333603 | System and method for adapting an analog echo canceller in a transceiver front end | |||
| 801 | 7330721 | Method and system for supporting non-intrusive and effective voice communication among mobile users | |||
| 802 | 7330703 | Transceiver for bidirectional frequency division multiplexed transmission | |||
| 803 | 7330548 | Mobile terminal and sliding module and a method thereof | |||
| 804 | 7330547 | Dual keypad phone | |||
| 805 | 7330546 | Multimedia patching box | |||
| 806 | 7330545 | Dual transformer hybrid system and method | |||
| 807 | 7330544 | Digital isolation barrier as interface bus for modems | |||
| 808 | 7327841 | SAR optimized receptacle for mobile devices | |||
| 809 | 7327840 | Loudspeaker telephone equalization method and equalizer for loudspeaker telephone | |||
| 810 | 7324643 | Invisible double function hinge construction | |||
| 811 | 7319749 | Hinge with orthogonal pivot axes | |||
| 812 | 7315620 | Small-sized opening and closing device | |||
2007 | |||||
| 813 | 7302283 | Portable digital communication apparatus having improved grip | |||
| 814 | 7302055 | Discharging envelope detector | |||
| 815 | 7298837 | Cross-over voltage lock for differential output drivers | |||
| 816 | 7289628 | Ozone functions handset | |||
| 817 | 7289626 | Enhancement of sound quality for computer telephony systems | |||
| 818 | 7286812 | Coupling between power line and customer in power line communication system | |||
| 819 | 7286663 | Asymmetric digital subscriber line system capable of automatically controlling receipt gain and method thereof | |||
| 820 | 7280857 | Mobile communications device having rotating display and camera | |||
| 821 | 7280845 | Method for simplifying the exchange of a SIM card of subscribers of a digital mobile communications network | |||
| 822 | 7280655 | DSL protector having a detachable wire interface | |||
| 823 | 7277691 | Method and system for management of call tones | |||
| 824 | 7269450 | Sliding/swing-type portable digital communication apparatus | |||
| 825 | 7269403 | Dual-mode wireless and wired power line communications | |||
| 826 | 7269255 | Portable terminal device | |||
| 827 | 7269254 | Integrated driver circuitry | |||
| 828 | 7266591 | Providing content delivery during a call hold condition | |||
| 829 | 7266196 | Telephone mouthpiece and earpiece cover system | |||
| 830 | 7260214 | Programmable subscriber line circuit partitioned into high voltage interface and digital control subsections | |||
| 831 | 7260212 | Method and apparatus for subscriber line control circuit | |||
| 832 | 7260211 | Method and circuit for adapting the impedance of an analog telecommunication connection | |||
| 833 | 7260103 | Mode-dependent, multiple bias-driven battery switch for subscriber line interface circuit | |||
| 834 | 7257223 | Splitter assembly for a telecommunications system | |||
| 835 | 7254230 | Subscriber line interface circuitry | |||
| 836 | 7248851 | Method for controlling routing information for intellectual peripherals in subscriber-based ring-back-tone-service | |||
| 837 | 7248690 | Voice signal clipping circuit and telephone set therewith | |||
| 838 | 7242765 | Headset cellular telephones | |||
| 839 | 7242764 | Power feeding system for telephone terminal in LAN | |||
| 840 | 7242761 | System and method for determining the transmit power of a communication device operating on digital subscriber lines | |||
| 841 | 7239699 | Monitor network for a digital switching cross-connect module | |||
| 842 | 7239698 | DOCSIS network interface device and methods and systems for using the same | |||
| 843 | 7236765 | Data communication over power lines | |||
| 844 | 7231037 | Active audio compressing in telecommunication | |||
| 845 | 7228158 | Portable terminal capable of providing stereo sound | |||
| 846 | 7218729 | Subscriber line interface circuitry with current drivers for downstream voice and data signals | |||
| 847 | 7218713 | Telephone line interface for DAA circuitry | |||
| 848 | 7218708 | Internet facilitated emergency and general paging system | |||
| 849 | 7215767 | Fixed base assembly of mobile phone | |||
| 850 | 7215764 | Current sensing echo cancellation device | |||
| 851 | 7215762 | Method of selecting impedance setting for loop start trunk line | |||
| 852 | 7212627 | Line interface with analog echo cancellation | |||
| 853 | 7209554 | Ringing controller | |||
| 854 | 7206405 | Enhanced high voltage interface for partitioned subscriber line interface circuit | |||
| 855 | 7203529 | Bar type portable wireless terminal | |||
| 856 | 7203309 | Mobile telephone | |||
| 857 | 7200377 | Method and system for multi-channel RF digitization with analog selectivity | |||
| 858 | 7200224 | Hinge device for portable wireless terminal | |||
| 859 | 7200205 | Interface device for testing a telecommunication circuit | |||
| 860 | 7194503 | System and method to query settings on a mobile device | |||
| 861 | 7190783 | Integrated digital subscriber line transceiver | |||
| 862 | 7187718 | System and method for encoding and decoding digital data using acoustical tones | |||
| 863 | 7181007 | Flat-profile keypad assembly and label | |||
| 864 | 7180998 | Regulator for impedance balance of a transmission wire pair | |||
| 865 | 7174003 | Method and system for troubleshooting a security system's telephone lines | |||
| 866 | 7167555 | Method for matching an adaptive hybrid to a line | |||
| 867 | 7162030 | Communication device with rotating housing | |||
| 868 | 7162029 | Gain or input volume controller and method utilizing a modified R2R ladder network | |||
| 869 | 7158633 | Method and apparatus for monitoring subscriber loop interface circuitry power dissipation | |||
| 870 | 7158614 | Metallic test access for xDSL connectors | |||
2006 | |||||
| 871 | 7155007 | Systems and methods for reducing noise in ADSL transmissions | |||
| 872 | 7155006 | Method and apparatus for outbound wave subtraction using a variable offset amplifier | |||
| 873 | 7149551 | Wireless headset capable of automatic link connection and method for controlling the same | |||
| 874 | 7149307 | Locking arrangement for a subscriber terminal device | |||
| 875 | 7149306 | Housing assembly of portable electronic device | |||
| 876 | 7149305 | Combined sidetone and hybrid balance | |||
| 877 | 7149286 | Electrical system like a system for testing the channels of a communication system | |||
| 878 | 7149246 | Method and apparatus for reducing oscillator pull in a CMOS wireless transceiver integrated circuit | |||
| 879 | 7146198 | Mobile phone having a side button which can fix a battery and adjust volume | |||
| 880 | 7146004 | Headset communication unit | |||
| 881 | 7142667 | Self operating opening mechanism for use in hand-held electronic device | |||
| 882 | 7139834 | Data routing monitoring and management | |||
| 883 | 7139596 | Modular two-body design for integration of mobile computing device features with a wireless communication device | |||
| 884 | 7139394 | Leak-tolerant handsfree telephone | |||
| 885 | 7135959 | Apparatus and method for wireless doorbell and security control panel interaction | |||
| 886 | 7130419 | Headset communication unit | |||
| 887 | 7130416 | Subscriber line interface circuit | |||
| 888 | 7130338 | Apparatus and method for communicating voice and data between a customer premises and a central office | |||
| 889 | 7127062 | Hybrid circuit for a broadband modem | |||
| 890 | 7123897 | Directional receiver coupling arrangement with frequency selectivity and gain control for DSL | |||
| 891 | 7120245 | Communication device having a two-mode controlled isolation circuit for power transport and bidirectional communication | |||
| 892 | 7116779 | Network interface device for high speed data lines | |||
| 893 | 7113763 | Bluetooth access point and remote bluetooth modules for powerline based networking | |||
| 894 | 7110537 | Mobile vehicle housing for a portable communication device | |||
| 895 | 7110535 | Headset communication unit | |||
| 896 | 7110533 | Telephone NID isolation module | |||
| 897 | 7110531 | Isolation system with analog communication across an isolation barrier | |||
| 898 | 7106876 | Microphone for simultaneous noise sensing and speech pickup | |||
| 899 | 7106855 | Method and apparatus for connecting broadband voice and data signals to telephone systems | |||
| 900 | 7106853 | Method and means for increasing inherent channel capacity for wired network | |||
| 901 | 7106852 | Telephone accessory for generating conversation utterances to a remote listener in response to a quiet selection | |||
| 902 | 7103175 | Systems and methods for an electronic hook switch for customer premises equipment | |||
| 903 | 7099464 | Telephone headset | |||
| 904 | 7099463 | Method and apparatus for detecting a compatible phantom powered device using common mode signaling | |||
| 905 | 7095848 | Power up reset circuit for line powered circuit | |||
| 906 | 7095847 | DC/DC converter and subscriber line interface circuit | |||
| 907 | 7095846 | Half duplex device and signal processing method thereof | |||
| 908 | 7092521 | Fixed base assembly of mobile phone | |||
| 909 | 7092519 | Communication terminal having exchangeable parts | |||
| 910 | 7092517 | Apparatus and method for regulating an SLIC supply voltage | |||
| 911 | 7088818 | Configurable analog front end for communication systems | |||
| 912 | 7085715 | Method and apparatus of controlling noise level calculations in a conferencing system | |||
| 913 | 7085542 | Portable device including a replaceable cover | |||
| 914 | 7085372 | Method and device for transmitting a transmission signal via a two-core line | |||
| 915 | 7085361 | Methods and systems for communication from an exterior of a location | |||
| 916 | 7082196 | Flexible structure, hinge, shutter, mobile communications apparatus and mobile telephone | |||
| 917 | 7082195 | Bus system for transmitting optical signals | |||
| 918 | 7079645 | Speaker volume control for voice communication device | |||
| 919 | 7076056 | Methods and apparatus for a bridge tap moderator | |||
| 920 | 7076053 | System for the processing of audio data used for music on hold and paging in a private branch exchange | |||
| 921 | 7072462 | Estimation of DSL telephone loop capability using CAZAC sequence | |||
| 922 | 7069046 | System and method for base station initiated call setup | |||
| 923 | 7065205 | Line sharing multipoint pots splitter amplifier-based coupler | |||
| 924 | 7065196 | Entrance intercom system | |||
| 925 | 7062042 | Combination exterior telephone service terminal and splicing chamber | |||
| 926 | 7062037 | Generic line impedance matching circuit using decomposed configurable transfer functions | |||
| 927 | 7058368 | Adaptive feedforward noise cancellation circuit | |||
| 928 | 7058176 | Cover structure for portable electronic device | |||
| 929 | 7050794 | User-assisted programmable appliance control | |||
| 930 | 7050783 | Accessory detection system | |||
| 931 | 7050767 | Mobile computing devices having rotationally exposed user interface devices | |||
| 932 | 7050577 | Programmable subscriber line circuit partitioned into high voltage interface and digital control subsections | |||
| 933 | 7050574 | Telephone line interface circuit and method | |||
| 934 | 7046983 | Integral board and module for power over LAN | |||
| 935 | 7046799 | Communication headset and method | |||
| 936 | 7046793 | Digital access arrangement circuitry and method having current ramping control of the hookswitch | |||
| 937 | 7046792 | Transmit/receive arbitrator | |||
| 938 | 7043224 | Communication apparatus | |||
| 939 | 7039183 | Termination block | |||
| 940 | 7039180 | Method and apparatus for enabling multiple protocol communication over a network | |||
| 941 | 7035665 | Portable terminal device and wireless communication terminal device | |||
| 942 | 7035402 | Portable communication unit | |||
| 943 | 7035400 | Signaling Techniques in channels with asymmetric powers and capacities | |||
| 944 | 7035399 | Network interface device (NID) with elliposoidial shape and stored cable reel and associated methods | |||
| 945 | 7031458 | Method and apparatus for isolation in a data access arrangement using analog encoded pulse signaling | |||
| 946 | 7031455 | Use of handset microphone to enhance speakerphone loudspeaker performance | |||
| 947 | 7027604 | Circuit to prevent acoustic feedback for a cellular speakerphone | |||
| 948 | 7027595 | Telecommunications apparatus and plug-in unit for same | |||
| 949 | 7027590 | Dynamic allocation of overhead voltage to support simultaneous transmission of signals on a telecommunication line | |||
| 950 | 7027589 | Single-ended loop test circuitry in a central office DSL modem | |||
| 951 | 7027562 | System and method to reduce echoes in voice communications | |||
| 952 | 7023975 | Privacy mode system and method for home network telephone | |||
| 953 | 7020276 | Frequency sensitive inductance device in POTS splitter design | |||
| 954 | 7020275 | Method and apparatus for spectral containment over telephone service lines | |||
| 955 | 7020274 | Universal apparatus and method for interfacing signals with telephony networks | |||
| 956 | 7016490 | Circuit board capacitor structure for forming a high voltage isolation barrier | |||
| 957 | 7016489 | System and method for performing echo cancellation for non-linearities | |||
| 958 | 7013007 | Computer telephony power supply method and apparatus | |||
| 959 | 7013000 | MTA intercom feature | |||
| 960 | 7010118 | Noise compensation methods and systems for increasing the clarity of voice communications | |||
| 961 | 7006625 | Cordless telephone-to-sound card interface adapter with hybrid transformer and control circuit | |||
| 962 | 7003103 | Mode-dependent, multiple bias-driven battery switch for subscriber line interface circuit | |||
| 963 | 7003100 | Modem with enhanced echo canceler | |||
| 964 | 6999583 | Crosstalk identification for spectrum management in broadband telecommunications systems | |||
| 965 | 6996232 | XDSL splitter line module for network interface device | |||
| 966 | 6993317 | Method and system for signal repeating in powerline communications | |||
| 967 | 6993126 | Apparatus and method for detecting far end speech | |||
| 968 | 6990192 | Combination telephone network interface device and cable TV splitter | |||
| 969 | 6985715 | Method and device for frequency translation in powerline communications | |||
| 970 | 6985714 | Communication system, communication terminal and communication method | |||
2005 | |||||
| 971 | 6963641 | Method and apparatus for providing variable attenuation to data signals in an XDSL frequency range | |||
| 972 | 6961553 | Bidirectional distributed amplifier | |||
| 973 | 6956943 | Method and apparatus for minimizing the telephony ring voltage power supply requirements of an integrated services hub | |||
| 974 | 6950511 | Detection of both voice and tones using Goertzel filters | |||
| 975 | 6931121 | Dual personality analog port | |||
| 976 | 6925178 | Returning ringing signals through the tip amplifier of subscriber-line interface circuitry | |||
| 977 | 6925176 | Method for enhancing the acoustic echo cancellation system using residual echo filter | |||
| 978 | 6925172 | Line interface with gain feedback coupled matching impedance | |||
| 979 | 6907122 | Rotational split adaptor | |||
| 980 | 6898281 | System and method for filtering echo/NEXT signal interferrence | |||
| 981 | 6888934 | Vehicle intercom system | |||
| 982 | 6879670 | Collective housing intercom apparatus | |||
| 983 | 6856685 | Feed arrangement for a subscriber loop with multi-level current regulation capability | |||
| 984 | 6845156 | System for reducing distortion in a line powered modulator | |||
2004 | |||||
| 985 | 6807261 | Digital key telephone set and digital key telephone system | |||
| 986 | 6801605 | Telephone network signal conversion system | |||
| 987 | 6798866 | System and method for verifying central office wiring associated with line sharing | |||
| 988 | 6795548 | Method and system for data communication | |||
| 989 | 6789145 | Interface for microprocessors and network facilities | |||
| 990 | 6782096 | Subscriber line driver and termination | |||
| 991 | 6778665 | Distribution of current draw in a line powered DAA | |||
| 992 | 6766022 | System for providing universal cross-connect connectivity in a central office | |||
| 993 | 6763109 | Copper based interface system and regulated power source | |||
| 994 | 6751315 | High bandwidth phone line transceiver with capacitor isolation | |||
| 995 | 6744888 | Line interface circuit with event detection signaling | |||
| 996 | 6738474 | System for providing pots splitters externally with respect to digital subscriber loop access multiplexers and remote terminal and central office equipment racks | |||
| 997 | 6711260 | Method and apparatus for spectral containment over telephone service lines | |||
| 998 | 6697358 | Emulation of phone extensions in a packet telephony distribution system | |||
| 999 | 6687361 | Electronic exchange and key telephone system | |||
2003 | |||||
| 1000 | 6661883 | Method and apparatus allowing remote key system units to interoperate | |||
| 1001 | 6647097 | Telephone system for voice recognition | |||
| 1002 | 6636748 | Method and apparatus for image capture, compression and transmission of a visual image over telephone or radio transmission system | |||
| 1003 | 6633631 | Digital key telephone system and extension terminal device thereof | |||
| 1004 | 6539085 | Automatic phone line re-allocation | |||
| 1005 | 6539084 | Intercom system | |||
2002 | |||||
| 1006 | 6496576 | Digital key telephone system and extension terminal device thereof | |||
| 1007 | 6469638 | Intra-vehicle communications system in a mining vehicle monitoring system | |||
| 1008 | 6459781 | Key telephone apparatus with call distribution function | |||
| 1009 | 6456705 | Digital key telephone system and extension terminal device thereof | |||
| 1010 | 6408060 | Digital key telephone system and extension terminal device thereof | |||
| 1011 | 6408008 | Circuit for attenuation of echos caused by line variations and an interfacing system for capacitively coupling a plurality of sources to a two-wire communication line | |||
| 1012 | 6396918 | Method for forwarding a call to a telephone behind a key telephone system | |||
| 1013 | 6377671 | Digital key telephone system and extension terminal device thereof | |||
| 1014 | 6373924 | Digital key telephone system and extension terminal device thereof | |||
2001 | |||||
| 1015 | 6311052 | PTT radio system | |||
| 1016 | 6263061 | Digital button telephone system and extension terminal for the same | |||
| 1017 | 6259905 | Method and apparatus to minimize dialing and connecting delays in a wireless local loop system | |||
| 1018 | 6188755 | Key telephone system having a plurality of telephone numbers to key telephone set | |||
| 1019 | 6185294 | Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling | |||
| 1020 | 6175617 | Key telephone apparatus with [automatic] call distribution function | |||
2000 | |||||
| 1021 | 6154660 | Callee-based telephone line preselection | |||
| 1022 | 6128480 | Fixed subscriber unit for telecommunications | |||
| 1023 | 6125179 | Echo control device with quick response to sudden echo-path change | |||
| 1024 | 6122369 | Communication process device and method therefor | |||
| 1025 | 6118863 | Exchanging apparatus and control method for exchanging and connecting destination terminal and calling terminal, and communication terminal apparatus communicating with other terminals through communication network and control method | |||
| 1026 | 6088362 | Key telephone system without common control | |||
| 1027 | 6072826 | Key telephone system without common control | |||
| 1028 | 6052573 | Fixed subscriber unit of wireless local loop system | |||
| 1029 | 6046995 | Key telephone system without common control | |||
1999 | |||||
| 1030 | 6002776 | Directional acoustic signal processor and method therefor | |||
| 1031 | 5995604 | Method of preventing fraudulent toll calls by key system users | |||
| 1032 | 5995591 | Connecting arrangement for reducing induced noise | |||
| 1033 | 5991293 | Circuit arrangement for providing internet connectivity to a computer in a key telephone system | |||
| 1034 | 5987109 | Key telephone apparatus with call distribution function | |||
| 1035 | 5963627 | Communication terminal having function for displaying originator identification data | |||
| 1036 | 5937061 | Power saving control apparatus for simple electronic exchange system | |||
| 1037 | 5937046 | Method of selectively connecting a received telephone call by utilizing a calling party number in a keyphone system | |||
| 1038 | 5933482 | Method and apparatus for designating and making an automatic call for a pair of key telephone sets in a key telephone exchange system | |||
| 1039 | 5933479 | Remote service system | |||
| 1040 | 5930346 | Extended public switched telephone network architecture with enhanced subscriber control on call setup | |||
| 1041 | 5926532 | Integrated wireless communication system | |||
| 1042 | 5915014 | Communication system | |||
| 1043 | 5887054 | Play and plug telephone system | |||
| 1044 | 5881143 | Telephone line device | |||
| 1045 | 5872839 | Office line selecting technique of a telephone switching system | |||
1998 | |||||
| 1046 | 5801754 | Interactive theater network system | |||
| 1047 | 5799074 | Communication terminal having function for displaying originator identification data | |||
| 1048 | 5799067 | Smart phone integration with computer systems | |||
| 1049 | 5793855 | Integrated wireless communication system | |||
| 1050 | 5787115 | Key telephone system without common control | |||
| 1051 | 5784685 | Wireless intercom communication system and method of using same | |||
| 1052 | 5784446 | Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling | |||
| 1053 | 5771277 | Elevator car modem with transhybrid rejection | |||
| 1054 | 5764743 | Method of controlling operation of a multi-line telephone apparatus | |||
| 1055 | 5761287 | Digital key telephone connecting apparatus and method in a digital key telephone system | |||
| 1056 | 5757898 | Information processing and communication apparatus | |||
| 1057 | 5754642 | Telephone terminal having multiple handsets | |||
| 1058 | 5754637 | Collective house interphone system and method therefore | |||
| 1059 | 5737390 | Digital exchange system with function of displaying operation state of system | |||
| 1060 | 5734707 | Telephone system | |||
| 1061 | 5732129 | Method of improving computer communication speed in key telephone system | |||
| 1062 | 5712909 | Key telephone apparatus with automatic call distribution function | |||
1997 | |||||
| 1063 | 5699419 | Analog multibutton telephone keysets | |||
| 1064 | 5694461 | Method for controlling long distance calling using a multi-frequency receiver | |||
| 1065 | 5694460 | Circuit and method for reducing common mode interference in telephone instruments | |||
| 1066 | 5687245 | Sampled chamber transducer with enhanced low frequency response | |||
| 1067 | 5682434 | Wearable audio system with enhanced performance | |||
| 1068 | 5666428 | Audio distribution system | |||
| 1069 | 5659603 | Method for printing key telephone designation strips | |||
| 1070 | 5655012 | Private branch exchange apparatus | |||
| 1071 | 5652788 | Key telephone apparatus | |||
| 1072 | 5651061 | Telephone exchange system | |||
| 1073 | 5649005 | PC with telephony exchange function | |||
| 1074 | 5644630 | Intercom system for a service establishment | |||
| 1075 | 5640448 | Key telephone system capable of simulation by button operations | |||
1996 | |||||
| 1076 | 5586176 | Integrated wireless communication system | |||
| 1077 | 5579380 | Method and apparatus for processing telephone calls from one line to another | |||
| 1078 | 5572586 | Communication control apparatus and method and communication exchange apparatus and method | |||
| 1079 | 5568542 | Building short circuit react system | |||
| 1080 | 5563938 | Subscriber telephone diverter switch | |||
| 1081 | 5557660 | Program-controlled communication system whereby a call request is simultaneously signaled at a plurality of communication terminal equipment | |||
| 1082 | 5550901 | Full-duplex adapter for PBX telephone system | |||
| 1083 | 5548592 | Home and small business phone system for operation on a single internal twisted pair line and methodology for operating the same | |||
| 1084 | 5546454 | Automatic call distributor with telephonic call holding system | |||
| 1085 | 5544235 | Identification of called directory number at multiple directory number per line premises prior to ringing signal reception | |||
| 1086 | 5544231 | Conversation recording/playback method in a key phone system | |||
| 1087 | 5537465 | Integrated telephone and intercom system | |||
| 1088 | 5517551 | Telephone apparatus with dial key display for external line status | |||
| 1089 | 5513256 | Key telephone system | |||
| 1090 | 5504809 | Communication system for use in a mine | |||
| 1091 | 5495529 | Digital sound level control apparatus | |||
| 1092 | 5490210 | Programmable telephone interface device | |||
| 1093 | 5483584 | Pushbutton telephone system | |||
1995 | |||||
| 1094 | 5471523 | Telephone call and voice processing system | |||
| 1095 | 5465292 | Trading telephone | |||
| 1096 | 5463676 | Key telephone system with a voice storage equipment | |||
| 1097 | 5455859 | Telephone handset interface for device having audio input | |||
| 1098 | 5440644 | Audio distribution system having programmable zoning features | |||
| 1099 | 5434797 | Audio communication system for a computer network | |||
| 1100 | 5390241 | Shared line appearance across a plurality of switching systems | |||
| 1101 | 5388152 | Key telephone system capable of regulating volume of handset | |||
| 1102 | 5381468 | Telephone exchange including less display elements than channels | |||
| 1103 | 5379280 | Conferencing system for distributed switching network | |||
1994 | |||||
| 1104 | 5365572 | Cordless key telephone system with multiple tenant facility | |||
| 1105 | 5363434 | Audio distribution system | |||
| 1106 | 5345510 | Integrated speaker supervision and alarm system | |||
| 1107 | 5339360 | Method of synchronizing LEDS between a digital telephone and remote options | |||
| 1108 | 5333182 | Arbitrary selecting of a terminal to be called in key telephone systems | |||
| 1109 | 5321848 | Drive-up station full duplex communication system and method of using same | |||
| 1110 | 5315639 | Hands-free intercom system | |||
| 1111 | 5309509 | Graphical user interface workstation | |||
| 1112 | 5309028 | Call coverage arrangement in an ISDN switching system | |||
| 1113 | 5303239 | Telephone system | |||
1993 | |||||
| 1114 | 5260992 | Key telephone system with reduction of delay of ring tone generation at telephone set | |||
| 1115 | 5251254 | Control of incoming and outgoing calls in a key system | |||
| 1116 | 5250942 | Equipment and method for management of terminal identification number in communication system | |||
| 1117 | 5224159 | Key telephone system provided with telephone sets connectable to add-on modules | |||
| 1118 | 5222126 | Communication apparatus connected to other communication terminals | |||
| 1119 | 5220597 | Dialing apparatus for power failure extension telephone set of key telephone system | |||
| 1120 | 5214691 | Key telephone system with virtual private lines | |||
| 1121 | 5204861 | Key telephone system with enhanced connectivity | |||
| 1122 | 5200990 | Method of recovering speech path of pre-engaged call on restarting keyphone exchange system | |||
| 1123 | 5195087 | Telephone system with monitor on hold feature | |||
| 1124 | 5187705 | Data error detecting apparatus for key telephone system and the detecting method therefor | |||
1992 | |||||
| 1125 | 5153908 | Automatic redial in a key telephone system having different line types | |||
| 1126 | 5151934 | Key telephone apparatus | |||
| 1127 | 5151933 | Key telephone system | |||
| 1128 | 5140628 | Radio telephone system control method | |||
| 1129 | 5138655 | Telephone apparatus capable of setting card unit therein | |||
| 1130 | 5136630 | Intrinsically safe telephone | |||
| 1131 | 5136585 | Digital key telephone system | |||
| 1132 | 5131048 | Audio distribution system | |||
| 1133 | 5128989 | Key telephone system with circuitry for adding a third caller to a multiple party connection | |||
| 1134 | 5117372 | Graphics-assisted terminal administration arrangement | |||
| 1135 | 5097501 | Key telephone interface | |||
| 1136 | 5090052 | Telephone system with multiple extension telephones | |||
1991 | |||||
| 1137 | 5077682 | Apparatus and method for displaying duration of a call made over a central office line in a keyphone system | |||
| 1138 | 5073923 | Private telephone system with unified command feature | |||
| 1139 | 5070524 | Telephone system | |||
| 1140 | 5062151 | Communication system | |||
| 1141 | 5048080 | Control and interface apparatus for telephone systems | |||
| 1142 | 5046086 | Page-mapped multi-line telephone communication system | |||
| 1143 | 5042065 | Resetting circuit in a key-telephone system | |||
| 1144 | 5040207 | Two-telephone intercom | |||
| 1145 | 5033081 | Key telephone system | |||
| 1146 | 5031210 | Telephone apparatus | |||
| 1147 | 5027347 | Intercom system | |||
| 1148 | 5027345 | Digital key telephone system | |||
| 1149 | 5027341 | Station line switching control system | |||
| 1150 | 5025441 | Key telephone system | |||
| 1151 | 5014302 | Telephone | |||
| 1152 | 4998275 | Multi-line telephone communications system | |||
| 1153 | 4996708 | Key telephone system adapted to respond to information stored in a portable outpulser | |||
| 1154 | 4995070 | Electronic key telephone set with function operation test function and method of controlling the same | |||
| 1155 | 4988209 | Telephone agent management information system | |||
| 1156 | 4987573 | Telephone system digital channel bank interface | |||
| 1157 | 4985915 | Method for interfacing between a key-phone system and a key-phone subscriber | |||
| 1158 | 4984263 | Break-in method in a key system | |||
1990 | |||||
| 1159 | 4953200 | Private branch exchange capable of discriminating different types of telephone sets connected thereto | |||
| 1160 | 4941187 | Intercom apparatus for integrating disparate audio sources for use in light aircraft or similar high noise environments | |||
| 1161 | 4935957 | Key telephone system | |||
| 1162 | 4932043 | Apparatus for controlling key telephone station set in key telephone system | |||
| 1163 | 4922526 | Automated access facilities for use with key telephone systems | |||
| 1164 | 4907259 | Call appearance reservation arrangement | |||
| 1165 | 4907258 | Key telephone apparatus | |||
| 1166 | 4905274 | Key telephone management system | |||
| 1167 | 4901344 | Telephone system digital channel bank interface | |||
| 1168 | 4897864 | Control method and appartus for a radio telephone system | |||
| 1169 | 4893310 | Digital key telephone system | |||
1989 | |||||
| 1170 | 4887293 | Trunk circuit with loop length gain equalization | |||
| 1171 | 4873718 | Feature telephone integration device | |||
| 1172 | 4856058 | Office line interface circuits | |||
| 1173 | 4850012 | Automated access facilities for use with key telephone systems | |||
| 1174 | 4850011 | Key telephone system providing selection of key or PBX operational modes | |||
| 1175 | 4831516 | Data transmission system between a main CPU board having a wait signal generating latch and a plurality of CPU boards | |||
| 1176 | 4827461 | Universal telecommunications audio coupling device | |||
| 1177 | 4823377 | System for setting registration mode for key telephone set | |||
| 1178 | 4821316 | Key telephone system | |||
| 1179 | 4817132 | Multi-line access module for telephone set | |||
| 1180 | 4805165 | Time division multiplex data transmission method and apparatus | |||
| 1181 | 4803718 | Hold detecting and control circuit for a key telephone system | |||
| 1182 | 4797915 | Communication system having automatic call route selection | |||
1988 | |||||
| 1183 | 4794641 | Data transmission system of key telephone system | |||
| 1184 | 4794640 | Switching control apparatus for intercom-telephone sets | |||
| 1185 | 4791662 | Controlling key-system groups from a distributed control switching system | |||
| 1186 | 4790004 | Implied principal busy status indicator for covered calls | |||
| 1187 | 4782514 | Key telephone system | |||
| 1188 | 4763354 | Key telephone system | |||
| 1189 | 4763348 | Controlled power supply for key telephone system | |||
| 1190 | 4759059 | Analog telephone circuit for digital telephone system | |||
| 1191 | 4759055 | Key telephone system | |||
| 1192 | 4757521 | Synchronization method and apparatus for a telephone switching system | |||
| 1193 | 4754477 | Key telephone system | |||
| 1194 | 4744103 | Computer controlled multi-link communication system | |||
| 1195 | 4741026 | Message signaling arrangement between a switching system and user terminals | |||
| 1196 | 4740957 | Asynchronous addressable electronic key telephone system | |||
| 1197 | 4731821 | Single wire telephone intercommunication system | |||
| 1198 | 4727578 | Telephone system | |||
| 1199 | 4726058 | Telephone conversion device | |||
| 1200 | 4726013 | Time division multiplex telecommunications system and method for a key telephone system or the like | |||
1987 | |||||
| 1201 | 4703416 | Apparatus for locating programs resident on a cartridge of a cartridge programmable communication system | |||
| 1202 | 4701948 | Communication system having separate unidirectional information signalling | |||
| 1203 | 4700379 | Aircraft communications apparatus | |||
| 1204 | 4696030 | Patient operator intercom arrangements for magnetic resonance imaging systems | |||
| 1205 | 4685123 | Communication system having voice and data capability | |||
| 1206 | 4682353 | Key telephone system | |||
| 1207 | 4679228 | Speakerphone sensing circuit | |||
| 1208 | 4665545 | Communication system having multi-mode line selection buttons | |||
| 1209 | 4660219 | Extension ringing arrangement key telephone system | |||
| 1210 | 4654870 | Telephone key systems and key stations therefor | |||
| 1211 | 4653090 | Graphics based call management | |||
| 1212 | 4650932 | Key telephone system | |||
| 1213 | 4646347 | Ringing signal reformatting circuit | |||
| 1214 | 4646289 | Signal multiplexing circuit | |||
| 1215 | 4641337 | Key telephone system with means for operatively connecting another key telephone systems | |||
| 1216 | 4638124 | Key telephone system with distributed control | |||
| 1217 | 4636585 | Telephone installations | |||
1986 | |||||
| 1218 | 4633043 | Apparatus for use with key telephone systems | |||
| 1219 | 4631367 | Multi-line telephone system | |||
| 1220 | 4631365 | Intercom system | |||
| 1221 | 4631364 | Communication system having dynamically assigned station set buttons | |||
| 1222 | 4629832 | Communication system administration method and circuitry | |||
| 1223 | 4628153 | Stand-alone keyphone system | |||
| 1224 | 4613904 | Television monitoring device | |||
| 1225 | 4608686 | Two wire voice and data subscriber loop | |||
| 1226 | 4607144 | Apparatus for enhancing the use of electromechanical key telephone systems | |||
| 1227 | 4605825 | Function key assignments in a key telephone system | |||
| 1228 | 4602132 | Key telephone system | |||
| 1229 | 4602128 | Automatic redialing arrangement for multi-line telephone station sets | |||
| 1230 | 4601064 | Communication system | |||
| 1231 | 4595800 | Key telephone system | |||
| 1232 | 4590331 | Hostage negotiation telephone system | |||
| 1233 | 4588865 | Music on hold for key systems | |||
| 1234 | 4588864 | Small key telephone system | |||
| 1235 | 4588861 | Telephone intercom system | |||
| 1236 | 4585908 | Data entry and display control circuit | |||
| 1237 | 4583221 | Synchronization system for key telephone system | |||
| 1238 | 4583214 | Key telephone transmission system | |||
| 1239 | 4572928 | Key telephone system | |||
| 1240 | 4570035 | Programmable key telephone system | |||
| 1241 | 4564726 | Pulse/direct current transmitting circuit in a key telephone system | |||
| 1242 | 4564724 | Terminal interface connecting terminal unit having central office line interface to key telephone system | |||
1985 | |||||
| 1243 | 4560837 | Call transfer method and circuitry | |||
| 1244 | 4559417 | Method of setting operating data in a key telephone system | |||
| 1245 | 4554413 | Key telephone system | |||
| 1246 | 4554411 | Intercom system | |||
| 1247 | 4551583 | Control signal transmission system for key telephone system | |||
| 1248 | 4546214 | Line use indicator for telephone sets sharing a single line | |||
| 1249 | 4544808 | Telephone indicator | |||
| 1250 | 4539437 | Stored program power control system for improving energy efficiency for telephone sets connected into a local telephone communications system | |||
| 1251 | 4538029 | Apparatus for use with key telephone system with wireless telephone device | |||
| 1252 | 4538028 | Apparatus for use with key telephone system with wireless telephone device | |||
| 1253 | 4536621 | Dual talk path key telephone | |||
| 1254 | 4536615 | Key telephone equipment and associated method | |||
| 1255 | 4523056 | Telephone including resistive array for dialing and system for using such telephone | |||
| 1256 | 4520235 | Electronic key telephone system | |||
| 1257 | 4517409 | Method for checking function states in key telephone system | |||
| 1258 | 4514597 | Control of a key telephone system using a pulse width modulated signal | |||
| 1259 | 4511767 | Key telephone system signalling and control arrangement | |||
| 1260 | 4511766 | Key telephone system signalling and control arrangement | |||
| 1261 | 4506346 | Programmable cartridge telephone communication system | |||
| 1262 | 4504702 | Additional line coupling circuit to an intercom telephone set | |||
| 1263 | 4503532 | Multipoint fiber optic junction terminal | |||
| 1264 | 4502138 | Synchronization system for key telephone system | |||
| 1265 | 4499338 | Key telephone system signalling and control arrangement | |||
| 1266 | 4491693 | Key telephone system and method of setting operating data in the key telephone system | |||
1984 | |||||
| 1267 | 4490820 | Reception system for key telephone system | |||
| 1268 | 4490583 | Plural line telephone controller | |||
| 1269 | 4488772 | Electro-optic indicating device | |||
| 1270 | 4479085 | Power source circuit | |||
| 1271 | 4446338 | Telephone lines status sensor | |||
| 1272 | 4445004 | Key telephone line circuit with improved hold circuit | |||
| 1273 | 4440989 | Key telephone area voice paging circuit and method | |||
1983 | |||||
| 1274 | 4412102 | Key telephone system | |||
| 1275 | 4410767 | Key telephone system | |||
| 1276 | 4401847 | Telephone communication system | |||
| 1277 | 4395596 | Multi-line controller | |||
| 1278 | 4394544 | Line circuit for multiple line telephone | |||
| 1279 | 4392024 | Electronic key telephone set circuit for permitting dialing during failure of commercial power supplied to the set | |||
| 1280 | 4383137 | Key telephone system with multiple processor control | |||
| 1281 | 4382163 | Microcomputer controlled key telephone line circuit | |||
| 1282 | 4377726 | Selective paging and intercommunication system | |||
| 1283 | 4376875 | Keyless and indicatorless local telephone switching system | |||
| 1284 | 4374308 | I-Use indication in a telephone keyset | |||
1982 | |||||
| 1285 | 4363936 | Telephone network including common equipment with message information and control information circuits for connecting to stations having multifunction telephones | |||
| 1286 | 4347409 | Key telephone system | |||
| 1287 | 4338495 | Electronic key telephone systems | |||
| 1288 | 4334126 | Control circuit for concurrently monitoring and controlling functions and frequency modulating status information in a digital data network | |||
| 1289 | 4329543 | Communication system | |||
| 1290 | 4327256 | Telephone system | |||
| 1291 | 4323735 | Key telephone line shunt detector circuit | |||
| 1292 | 4323734 | Interface circuit for telephone line to equipment signal coupling | |||
| 1293 | 4322581 | Multifunction telephone with message information and control information circuits for connecting stations and common equipment in a telephone network | |||
| 1294 | 4315110 | Multiple line telephone instrument | |||
| 1295 | 4314109 | Synchronization system for key telephone system | |||
| 1296 | 4309755 | Computer input/output arrangement for enabling a simultaneous read/write data transfer | |||
1981 | |||||
| 1297 | 4308427 | Hands-free talk-back intercommunication system | |||
| 1298 | 4292476 | Speech channel switching networks suitable for use in combination with electronic key telephone sets | |||
| 1299 | 4292475 | Expandable link telephone intercom system | |||
| 1300 | 4292474 | Electronic key telephone system with bi-directional serial data stream station control | |||
| 1301 | 4291199 | Communication system tracking arrangement | |||
| 1302 | 4280022 | Key telephone systems | |||
| 1303 | 4266103 | Key telephone exclusion circuit | |||
| 1304 | 4260857 | Office line connection circuit during service interruptions in key telephone apparatus | |||
| 1305 | 4254306 | Key telephone system | |||
1980 | |||||
| 1306 | 4236049 | Electronic key telephone system | |||
| 1307 | 4234765 | Key telephone system | |||
| 1308 | 4228324 | Key telephone system having interstation signalling during hold condition | |||
| 1309 | 4220827 | Telephone signaling circuit | |||
| 1310 | 4216356 | Telephone having separate voice and signaling pairs | |||
| 1311 | 4207439 | Line/interface circuit for key telephone systems | |||
| 1312 | 4203011 | Computer controlled key telephone station set | |||
| 1313 | 4196316 | Program controlled communication system having individually rearrangeable line selection | |||
| 1314 | 4194093 | Key system protective apparatus | |||
| 1315 | 4188511 | Multi-link telephone intercom system | |||
| 1316 | 4185173 | Key telephone call signalling circuit | |||
| 1317 | 4184054 | Key telephone system | |||
1979 | |||||
| 1318 | 4178480 | Signal multiplexing circuit | |||
| 1319 | 4174466 | Multi-party telephone system allowing speech connection between extensions as between extensions and an outer line | |||
| 1320 | 4173714 | Communication circuit with combined power feed and data transmission over a phantom channel | |||
| 1321 | 4171467 | Signal multiplexing circuit | |||
| 1322 | 4168403 | Key telephone system comprising only one control lead per outside line | |||
| 1323 | 4160131 | Electronic key telephone system | |||
| 1324 | 4158755 | Telephone system open switching interval protection circuit | |||
| 1325 | 4158112 | Hands-free answer arrangement on intercom for key telephone system | |||
| 1326 | 4158110 | Tone selective key telephone intercom system including digital tone detector | |||
| 1327 | 4150257 | Communication system call coverage arrangements | |||
| 1328 | 4145579 | Key telephone unit protective coupler | |||
| 1329 | 4136263 | Telephone system having space divided speech channels and a separate time divided data highway | |||
| 1330 | 4135063 | Modular, expandable intercom system for a multiple-station telephone subscriber installation | |||
| 1331 | 4132870 | Key telephone system optically coupled protective coupler | |||
| 1332 | 4132869 | Intercommunication system | |||
| 1333 | 4132860 | Hold control for a key telephone system | |||
1978 | |||||
| 1334 | 4130737 | Two-link intercom system | |||
| 1335 | 4125749 | Key telephone systems | |||
| 1336 | 4112261 | Key telephone system and method | |||
| 1337 | 4101741 | Line circuit for key telephone systems | |||
| 1338 | 4101740 | Line circuit for key telephone systems | |||
| 1339 | 4096358 | Key telephone system signal priority arrangement | |||
| 1340 | 4093830 | Key telephone system line circuit | |||
| 1341 | 4092501 | Key telephone system | |||
| 1342 | 4088846 | Hold-plus-intercom for single-line stations | |||
| 1343 | 4088844 | Telephone station set interface circuit | |||
| 1344 | 4087649 | Pulse counting circuit | |||
| 1345 | 4086444 | Dial pulse key telephone intercom system | |||
| 1346 | 4081625 | Control circuitry for key telephone apparatus | |||
| 1347 | 4081624 | Key telephone intercom line system | |||
| 1348 | 4081615 | Subset switching means in apparatus for a key telephone system for enabling intercom substations to access trunk lines | |||
| 1349 | 4080517 | Audio sensory apparatus and method for monitoring indicator lamp status of multi-line telephone instrument | |||
| 1350 | 4079212 | Extension telephone system | |||
| 1351 | 4075434 | Key telephone privacy exclusion apparatus | |||
| 1352 | 4071712 | Line circuit for key telephone systems | |||
| 1353 | 4071699 | Apparatus providing for the remote display of calling numbers in a telephone system | |||
1977 | |||||
| 1354 | 4064373 | Line circuit for key telephone systems | |||
| 1355 | 4064371 | Apparatus for a key telephone system for enabling intercom substations to access trunk lines | |||
| 1356 | 4063047 | Key telephone system multilink hands free answer circuit | |||
| 1357 | 4061887 | Key telephone adapter for electronic telephone switching system | |||
| 1358 | 4060700 | Two-party telephone system | |||
| 1359 | 4057693 | Logic control for electronic key telephone line circuit | |||
| 1360 | 4056695 | Key telephone line circuit tone-on-hold arrangement | |||
| 1361 | 4055731 | Key telephone lamp control circuit | |||
| 1362 | 4053720 | Automatic exclusion circuit | |||
| 1363 | 4052562 | System for control of speech direction in duplex telephone circuits | |||
| 1364 | 4046972 | Key telephone station set circuit | |||
| 1365 | 4039763 | Key telephone communication path interface | |||
| 1366 | 4039762 | Key telephone off-premises line circuit | |||
| 1367 | 4037058 | Intercom system for a key telephone system | |||
| 1368 | 4032724 | Direct station selection circuit | |||
| 1369 | 4024353 | Key telephone system | |||
| 1370 | 4022985 | Key telephone system with a common push-button sender system | |||
| 1371 | 4022976 | Mechanically-coupled microphone-speaker unit and intercom system | |||
| 1372 | 4021622 | Nonlocking key telephone set | |||
| 1373 | 4018997 | Pluggable key set telephone cross connect device | |||
| 1374 | 4016372 | Apparatus for a key telephone system for enabling intercom substations to access trunk lines | |||
| 1375 | 4011415 | Call circuit for key telephone system for giving direct station selection call priority over station call | |||
| 1376 | 4010332 | Link circuit for intercom unit | |||
| 1377 | 4010331 | Telephone intercommunication system incorporating improved dialing arrangement | |||
| 1378 | 4004106 | Line circuit for use with a key telephone system | |||
| 1379 | 4001517 | Direct station selection hold arrangement | |||
1976 | |||||
| 1380 | 4000376 | Telephone privacy device | |||
| 1381 | 3997738 | Line circuit for telecommunications exchange using TDM | |||
| 1382 | 3997737 | Security line card circuit | |||
| 1383 | 3995217 | Method and apparatus for suppressing background noise in a digital telephone system | |||
| 1384 | 3991282 | Multi station telephone switching system | |||
| 1385 | 3991281 | Key telephone monobus conference arrangement | |||
| 1386 | 3985976 | Audio frequency signalling systems for telephone systems | |||
| 1387 | 3985959 | Key telephone system for subscribers | |||
| 1388 | 3979563 | Communication systems of key telephone systems | |||
| 1389 | 3976847 | Key telephone system intercom arrangement | |||
| 1390 | 3973085 | Key telephone system with directly associated station cards and sets | |||
| 1391 | 3971899 | Signalling device for key telephone systems | |||
| 1392 | 3971898 | Visual indicating control circuit in key telephone system | |||
| 1393 | 3967076 | Call denial circuit for key telephone systems | |||
| 1394 | 3967072 | Time division network connection auditing arrangement | |||
| 1395 | 3965308 | Line card circuit | |||
| 1396 | 3963957 | Lamp power supply arrangement for key telephone system | |||
| 1397 | 3961144 | Exclusion circuit in key telephone system | |||
| 1398 | 3961142 | Method and apparatus for automatically annunciating the completion of a telephone call hold interval | |||
| 1399 | 3953683 | Interrupter for telephone systems | |||
| 1400 | 3952169 | Solid state line circuit for a key telephone system | |||
| 1401 | 3951248 | Telephone line visual status indication circuit | |||
| 1402 | 3946146 | Discrete ringing detector for use in key telephone systems | |||
| 1403 | 3943301 | Solid state four-wire switch for key telephones | |||
| 1404 | 3941944 | Signalling device for key telephone systems | |||
| 1405 | 3941943 | Privacy circuit for key telephone systems | |||
| 1406 | 3941933 | Paging intercommunication system | |||
| 1407 | 3937901 | Lamp control circuit for key telephone systems | |||
| 1408 | 3935396 | Key telephone system using time division and space division control | |||
| 1409 | 3934098 | Telephone message transfer circuit | |||
| 1410 | 3931479 | Telephone intercommunication system providing common access to a communication line | |||
| 1411 | 3931478 | Telephone intercommunication system provided with a common communication line to which access is guarded | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||