СПИСОК патентов США - подгруппа МПК16 H04M1/26
|
|
| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9444506 | Waterproof case | |||
| 2 | 9300774 | Mobile terminal and its case with hall IC driving shield magnet | |||
| 3 | 9282177 | Caller ID surfing | |||
2015 | |||||
| 4 | 9083787 | Apparatus and method for driving communication terminal using proximity sensor for dialing | |||
2014 | |||||
| 5 | 8867078 | Operation device and operation method | |||
2013 | |||||
| 6 | 8437804 | Mobile phone and dialing method thereof | |||
2012 | |||||
| 7 | 8107606 | Method for initiating a connection between communication devices of at least two parties | |||
2007 | |||||
| 8 | 7212626 | Information terminal capable of originating a call, method of originating a call and recording medium which stores the program for originating a call | |||
| 9 | 7162025 | Conference call dialing | |||
2006 | |||||
| 10 | 7102620 | Mobile electronic device | |||
| 11 | 7072460 | System and method for retrieving telephone numbers | |||
| 12 | 7043010 | Smart phonebook search | |||
2005 | |||||
| 13 | 6940974 | Systems and methods for generating tones for operating telephones | |||
| 14 | 6940964 | Push-button signal receiving circuit and a method of detecting a push-button signal | |||
| 15 | 6917822 | Mobile radio terminal, and method for displaying data in mobile radio terminal | |||
| 16 | 6914978 | Pulse dialing system for VoIP modem | |||
| 17 | 6873701 | System and method for DTMF detection using likelihood ratios | |||
2004 | |||||
| 18 | 6813504 | Dialing using indirect addressing methods | |||
| 19 | 6807260 | Telephone line management and environmental information monitoring system | |||
| 20 | 6778658 | Digital dialed digit unlock method and system | |||
| 21 | 6778657 | Analog dialed digit unlock method and system | |||
| 22 | 6771767 | Signal detector with coefficient swapping transform unit | |||
| 23 | 6763106 | Signal detector with duration-based frame width | |||
| 24 | 6735457 | Automatic number capture | |||
| 25 | 6707895 | Telephone line management system | |||
2003 | |||||
| 26 | 6671369 | Method and apparatus for returning a false special information tone for an incoming telephone call | |||
| 27 | 6668057 | Apparatus for receiving tone signal, apparatus for transmitting tone signal, and apparatus for transmitting or receiving tone signal | |||
| 28 | 6650627 | Tone detection in communication networks | |||
| 29 | 6576826 | Tone generation apparatus and method for simulating tone effect imparted by damper pedal | |||
| 30 | 6546091 | Automatic detection of phone system settings for dial-up modem connections | |||
| 31 | 6519338 | Tone burst generator and its application to telephony | |||
2002 | |||||
| 32 | 6459912 | Menu system for a radiotransmission apparatus | |||
| 33 | 6445790 | Digital tone generator | |||
| 34 | 6424648 | Method and apparatus for making a phone call connection over an internet connection | |||
| 35 | 6424647 | Method and apparatus for making a phone call connection over an internet connection | |||
| 36 | 6400931 | Card-like wireless communication device | |||
| 37 | 6400821 | Digital tone generator | |||
| 38 | 6373835 | Method and apparatus for making a phone call connection over an internet connection | |||
| 39 | 6366669 | System and method for providing universal access to interactive voice response systems | |||
| 40 | 6359838 | Keypad arrangement for a watch radiotelephone | |||
| 41 | 6339700 | Dial device for steering wheel of an automobile | |||
2001 | |||||
| 42 | 6314179 | Externally dialed hand-free operator for cellular phones | |||
| 43 | 6259931 | Controlling a communication device with dual-mode telecommunications signaling | |||
| 44 | 6252533 | Data conversion device | |||
| 45 | 6243460 | Telephone with character keypad | |||
| 46 | 6243376 | Method and apparatus for making a phone call connection over the internet connection | |||
2000 | |||||
| 47 | 6115465 | System and method for modifying voice signals to avoid triggering tone detectors | |||
| 48 | 6111948 | Dialer for selecting a character | |||
| 49 | 6101401 | Wireless telephone dialing method | |||
| 50 | 6075850 | Flash-hook Caller ID | |||
| 51 | 6052573 | Fixed subscriber unit of wireless local loop system | |||
1999 | |||||
| 52 | 5982855 | Automatic telephone answering apparatus | |||
| 53 | 5963629 | Method for embodying automatic call in a keyphone system | |||
| 54 | 5937030 | Off-hook signal and dial pulse generating circuit and a method for driving the same circuit | |||
| 55 | 5930338 | Method for handling incoming calls on a pots telephone line to a user's premises | |||
| 56 | 5878131 | Interference attenuation for acoustic-dialers | |||
| 57 | 5859913 | Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies | |||
| 58 | 5859905 | Cycle-modulating type of dual-tone multifrequency generator | |||
1998 | |||||
| 59 | 5832075 | Off-hook detector for headset | |||
| 60 | 5818929 | Method and apparatus for DTMF detection | |||
| 61 | 5781626 | Communication device capable of controlling transmission parameters of outputted DTMF signals | |||
| 62 | 5706341 | Active digit cancelling parallel dialer | |||
| 63 | 5706340 | Telephone apparatus including circuit for producing dial data from serial key data | |||
1997 | |||||
| 64 | 5638437 | Telecommunication system and method enabling a user to get access to an automated call processing from a central station operating on pulse dialling mode | |||
| 65 | 5633862 | DTMF signal transmission method in single frequency simultaneous transmitting and receiving system and single frequency simultaneous transmitting and receiving system transceiver capable of transmitting DTMF signal | |||
| 66 | 5602914 | Device for limiting the working voltage for mechanical switches in telephony | |||
1996 | |||||
| 67 | 5563938 | Subscriber telephone diverter switch | |||
| 68 | 5550907 | Personal communication using intelligent terminals | |||
| 69 | 5541989 | Method and apparatus for detecting added keyboard functions | |||
| 70 | 5539812 | Method and apparatus for detecting an attempted three-way conference call on a remote telephone | |||
| 71 | 5522089 | Personal digital assistant module adapted for initiating telephone communications through DTMF dialing | |||
| 72 | 5521967 | Method for monitoring telephone call progress | |||
| 73 | 5508978 | Telephone on which the number called is composed by a crown of the horological type | |||
| 74 | 5490214 | Method and apparatus for selectively generating control signals in a telephone system | |||
1995 | |||||
| 75 | 5465090 | Key pad shielding device and method | |||
| 76 | 5448636 | Device for limiting the working voltage mechanical switches in telephony | |||
| 77 | 5444775 | Telephone key selection aid | |||
| 78 | 5438618 | Vocal frequency suppression apparatus and method | |||
| 79 | 5428674 | Communication terminal device and dialing key | |||
| 80 | 5425096 | Communication device | |||
| 81 | 5412588 | Digital sine-wave generating circuit | |||
| 82 | 5400398 | Electronic telephone set with low power hook switch | |||
| 83 | 5388154 | Alphabetic telephone dialer apparatus and method | |||
| 84 | 5384842 | Programmable telephone | |||
| 85 | 5384837 | Line switch control circuit arrangement for telephone subset | |||
| 86 | 5384807 | ADPCM transcoder with integral tone generation and method therefor | |||
1994 | |||||
| 87 | 5369697 | Method and apparatus for automatically switching between pulse code and DTMF signals generated by a telephone | |||
| 88 | 5329580 | Communication terminal adaptor | |||
| 89 | 5325425 | Method for monitoring telephone call progress | |||
| 90 | 5319702 | Method and apparatus for detecting and responding to hook flash events occurring on a remote telephone | |||
| 91 | 5317634 | Telephone subset arrangement | |||
| 92 | 5307403 | Telephone branch line transmission circuit with blocking capacitor | |||
| 93 | 5280522 | Circuit for transmitting voice signals and dial pulses | |||
1993 | |||||
| 94 | 5266950 | Programmable keypad monitor | |||
| 95 | 5241591 | Telephone system having a dial data changeover switch | |||
| 96 | 5235635 | Keypad monitor with keypad activity-based activation | |||
| 97 | 5228079 | Method and apparatus for pulse/tone detection and selection | |||
| 98 | 5220601 | Keypad status reporting system | |||
| 99 | 5208852 | Sound generation circuit | |||
| 100 | 5191606 | Electrical telephone speech network | |||
1992 | |||||
| 101 | 5157720 | Dialler chip mode signal | |||
| 102 | 5128991 | Dialing confirmation tone output apparatus | |||
| 103 | 5121425 | Telephone transmission circuit with improved switching device | |||
| 104 | 5121350 | Digital tone generation based on difference equations | |||
| 105 | 5105461 | Telephone line interface circuit | |||
| 106 | 5101429 | Electronic telephone set | |||
1991 | |||||
| 107 | 5034977 | Phase accumulation dual tone multiple frequency generator | |||
| 108 | 5027389 | Self-compensated dual tone multiple frequency generator | |||
| 109 | 5023906 | Method for monitoring telephone call progress | |||
| 110 | 5003580 | Adapter for interfacing a work station terminal to a key telephone system | |||
| 111 | 4998276 | Dial signal generator for generating dial pulse signal and dual tone multi-frequency signal | |||
1990 | |||||
| 112 | 4980585 | Method and apparatus for synthesizing digital waveforms | |||
| 113 | 4975949 | Electronic headset telephone | |||
| 114 | 4947423 | Communication apparatus with facilities for changing to a pulse or dial mode | |||
| 115 | 4939470 | Circuit for generating dual-tone multi-frequency signals and high/low-tone signals | |||
| 116 | 4924493 | Method for monitoring call setup communications | |||
| 117 | 4922527 | Small electronic apparatus | |||
| 118 | 4916732 | Communication system having telephonic function | |||
| 119 | 4896060 | Dialer with internal option select circuit programmed with externally hardwired address | |||
1989 | |||||
| 120 | 4887295 | Telephone instrument | |||
| 121 | 4864604 | Electronic wristwatch having dialing tone generator | |||
| 122 | 4860342 | Computer-telephone interface method and apparatus | |||
| 123 | 4852156 | Private telephone system using a personal code number to access the telephone nearest to the code number holder | |||
| 124 | 4847886 | Method for causing large numbers of telephones to dial the same telephone numbers | |||
| 125 | 4841568 | Circuit arrangement for a telephone station with earth connection to the central supply device | |||
| 126 | 4817136 | Telephone dialing system | |||
| 127 | 4815126 | Telephone line switch | |||
| 128 | 4809322 | Circuit arrangement for a telephone station with ground connection | |||
| 129 | 4803437 | Digital transmission system | |||
| 130 | 4800585 | Saturating bipolar switch circuit for telephone dial pulsing | |||
1988 | |||||
| 131 | 4788709 | Facsimile communication terminal with memo pattern memory | |||
| 132 | 4782520 | Pulse receiver circuit providing longitudinal balance | |||
| 133 | 4776008 | Key-in sound-generating circuit | |||
| 134 | 4771450 | Method and apparatus for converting rotary signals to audiofrequency signals | |||
| 135 | 4769836 | Dialing tone generator employing low frequency oscillator | |||
| 136 | 4756021 | Telephone set | |||
| 137 | 4741031 | Intrinsically safe telephone | |||
| 138 | 4731830 | Nonsaturating interface supply | |||
| 139 | 4727571 | Circuit for surge voltage protection in electronic telephone stations | |||
| 140 | 4727570 | Waveform generators | |||
| 141 | 4723267 | Telephone line interface and dialer circuitry for telecommunications equipment | |||
1987 | |||||
| 142 | 4700385 | Remote telephone control apparatus | |||
| 143 | 4697140 | Semiconductor integrated circuit having a test circuit for testing an internal circuit | |||
| 144 | 4695804 | Apparatus for generating a multi-frequency signal | |||
| 145 | 4675902 | High performance telephone instrument with combination pulse and tone dialing capacity | |||
| 146 | 4639554 | Dual-tone multiple-frequency-signal generating apparatus | |||
| 147 | 4636590 | Method and apparatus for converting frequency signals representing characters to binary code | |||
| 148 | 4634814 | Surge protected electronic switch for telephone voiceband circuits | |||
1986 | |||||
| 149 | 4618742 | Method and apparatus for decoding audiofrequency information sent through rotary dialing | |||
| 150 | 4614845 | Telephone hookswitch flasher | |||
| 151 | 4614843 | Arrangement for opening the loop for a well-defined time interval from a telephone set | |||
| 152 | 4613730 | Electronic telephone with feature access and speed dialing including loop breaks | |||
| 153 | 4598174 | Circuit for detecting keypad conditions in a microprocessor controlled telephone instrument | |||
| 154 | 4585909 | Transmission circuit for a DTMF-telephone set | |||
| 155 | 4571462 | Multiple use digital tone generator in telephone | |||
| 156 | 4567329 | Line circuit for network junctor | |||
| 157 | 4563548 | Method and circuit for telephone dialing signal generation | |||
1985 | |||||
| 158 | 4558183 | Opto-coupler interfacing circuit | |||
| 159 | 4555597 | Transient resistant key operated pulse generating calling device circuit | |||
| 160 | 4550226 | Subscriber's telephone circuit arranged to present constant impedance to a telephone line | |||
| 161 | 4539552 | Digital-to-analog converter | |||
| 162 | 4532380 | Tone signalling adapter for a telephone set | |||
| 163 | 4527016 | Current regulated pulse dialer with memory retention circuit | |||
| 164 | 4523056 | Telephone including resistive array for dialing and system for using such telephone | |||
| 165 | 4508938 | Push-button dial for a telephone | |||
| 166 | 4501932 | Solid state electronic dial pulse receiver circuit | |||
| 167 | 4492927 | Offset voltage compensation circuit | |||
| 168 | 4492823 | Dual timing circuit for telephone subscriber's instrument | |||
1984 | |||||
| 169 | 4489310 | Time slot-controlling circuit for keyboard switch module, and apparatus incorporating same | |||
| 170 | 4475012 | Subscriber telephone set incorporating overvoltage protection | |||
| 171 | 4472601 | Control circuit for telephone receiver and transmitter | |||
| 172 | 4471170 | Non-integer programmable counter | |||
| 173 | 4446436 | Circuit for generating analog signals | |||
| 174 | 4442322 | Electronic common switch having an improved receiver mating arrangement | |||
| 175 | 4431870 | Telephone system with computer generated dial pad and automatic dialing | |||
1983 | |||||
| 176 | 4419543 | Tone activated hold circuit | |||
| 177 | 4413159 | Dial pulsing circuit | |||
| 178 | 4406926 | Telephone station circuit using digital tone generation | |||
| 179 | 4394743 | Tone generation method and apparatus using stored reference calibration coefficients | |||
| 180 | 4390754 | Tone generator circuit | |||
| 181 | 4390753 | Line interruption arrangement | |||
| 182 | 4388499 | Line interruption circuit for use in a telephone set | |||
| 183 | 4387274 | Hook flash signal actuated telephone control device | |||
| 184 | 4375583 | Indirectly activatable telephone system | |||
| 185 | 4368432 | Sine wave generator for different frequencies | |||
| 186 | 4367375 | Push-button dial circuit | |||
1982 | |||||
| 187 | 4360710 | Telephone circuit | |||
| 188 | 4357496 | Keypad logic interface circuit | |||
| 189 | 4355210 | Sub-miniature tone encoder with automatic number identification | |||
| 190 | 4352958 | Electronically-switched multifrequency generator with transducer control | |||
| 191 | 4349704 | Digital multifrequency signal generator | |||
| 192 | 4349701 | Television receiver with two-way telephone conversation and dial-out capabilities | |||
| 193 | 4338492 | Television receiver with two-way telephone conversation capability | |||
| 194 | 4332984 | Active speech network circuit for a telephone set | |||
| 195 | 4329546 | Interface unit for pushbutton selector | |||
| 196 | 4327255 | Keypad caller for a telephone set | |||
| 197 | 4322582 | Liquid-sealed type of a governor for telephone dial | |||
| 198 | 4315108 | Integrated circuit chip telephone communication system | |||
| 199 | 4313037 | Telephone station set with improved flash signalling | |||
1981 | |||||
| 200 | 4306190 | Plural frequency signal generator | |||
| 201 | 4306119 | Telephone outpulsing circuit | |||
| 202 | 4286120 | Current regulated pulse dialer circuit | |||
| 203 | 4281220 | Telephone dialing and answering device | |||
| 204 | 4267409 | Keyboard decade digital dial | |||
| 205 | 4251693 | Fixed impulse generator for hook switch flash | |||
1980 | |||||
| 206 | 4233475 | Telephone station with automatic switch-over between pulse code dialling and multifrequency code dialling | |||
| 207 | 4223186 | Circuit arrangement for line-supplied subscriber stations having dial devices | |||
| 208 | 4199666 | Straight line telephone dialer | |||
| 209 | 4196318 | Electronically-switched multifrequency generator for providing tone signaling | |||
1979 | |||||
| 210 | 4167827 | Telephone set with rotary dial | |||
| 211 | 4167655 | Push button to rotary dial converter systems | |||
| 212 | 4156115 | Apparatus and method for a multiple tone code sender system for automatic call initiation | |||
| 213 | 4144413 | Rotary telephone dial | |||
| 214 | 4142184 | Digital multitone generator for telephone dialing | |||
| 215 | 4133983 | Electronic network for telephone set | |||
| 216 | 4132871 | Digitally synthesized multi-frequency signal generator | |||
1978 | |||||
| 217 | 4110568 | Dual tone multifrequency generator | |||
| 218 | 4110567 | Multi-frequency generator using digital technique | |||
| 219 | 4088837 | Combination telephone and calculator with common keyboard having reversible indicia | |||
| 220 | 4086440 | Telephone set with loop current interruption timing control | |||
| 221 | 4081623 | Sight operated telephone and machine controller | |||
| 222 | 4081619 | Switching arrangement for telecommunication subscriber stations using key-operated selection units | |||
| 223 | 4068178 | Variable frequency waveform synthesizer | |||
1977 | |||||
| 224 | 4061887 | Key telephone adapter for electronic telephone switching system | |||
| 225 | 4061886 | Dual tone multiple frequency generator | |||
| 226 | 4058805 | Digital multitone generator for telephone dialing | |||
| 227 | 4056692 | Digital tone generator | |||
| 228 | 4046971 | Switching arrangement for telephone subsets using impulse-type pushbutton calling | |||
| 229 | 4025865 | Frequency-signalling circuit for a telephone | |||
| 230 | 4024347 | Telephone calculator | |||
| 231 | 4017693 | Synthesizer of multifrequency code signals | |||
| 232 | 4010454 | Magnetic bubble signal generator | |||
| 233 | 4008380 | Telephone conversion unit with multiple memory system | |||
| 234 | 4008379 | Touch-pad to dial conversion unit | |||
| 235 | 4007459 | Multitone pushbutton dial phase shift scanning circuitry | |||
1976 | |||||
| 236 | 4000379 | Tone generator | |||
| 237 | 3999049 | Synthesizer of multifrequency code signals | |||
| 238 | 3988549 | Keyboard type telephone station adapted to transmit dialling pulses and multifrequency signals | |||
| 239 | 3985966 | Method and apparatus for generating digital dual frequency signals | |||
| 240 | 3982079 | Touch-to-rotary converter for a telephone instrument | |||
| 241 | 3982078 | Line matching circuit for use in a tone pushbutton dialling subscriber's set provided with a tone generator | |||
| 242 | 3980837 | Apparatus for pulsing in telephone sets | |||
| 243 | 3978295 | Circuit arrangement for a tone pushbutton selection telephone subscriber set | |||
| 244 | 3973084 | Electric impulse transmitters for telephone instruments | |||
| 245 | 3971896 | Two-tone generator using switching transistors in LC resonant circuits controlled by push-button | |||
| 246 | 3969592 | Pushbutton-controlled call-number selector for dial-equipped telephone | |||
| 247 | 3959604 | Digital calling signal tone generating circuitry | |||
| 248 | 3956596 | Circuit arrangements in telephone apparatus | |||
| 249 | 3941942 | Two of eight tone encoder | |||
| 250 | 3932707 | Electric impulse transmitters for telephone instruments | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||