СПИСОК патентов США - подгруппа МПК16 H04L5/06
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608850 | Spintronic wireless communication system for simultaneously modulating multi-band frequency and amplitude | |||
| 2 | 9596069 | Narrow bandwidth device in a broadband network | |||
| 3 | 9596019 | Polarization co-ordination | |||
| 4 | 9584138 | Phase locked loop with accurate alignment among output clocks | |||
| 5 | 9565012 | Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches | |||
| 6 | 9537694 | Signal coding and decoding methods and devices | |||
2016 | |||||
| 7 | 9510239 | Configurable architecture with a converged coordinator | |||
| 8 | 9507661 | Bus system having a master and a group of slaves and communication method for interchanging data in said bus system | |||
| 9 | 9490961 | Method of signaling control information in wireless communication system with multiple frequency blocks | |||
| 10 | 9490750 | Systems and methods for performing demodulation and modulation on software defined radios | |||
| 11 | 9480094 | Method for improving the HF band link establishment using a broadband capability | |||
| 12 | 9450732 | Transmission of feedback information for data transmission on multiple carriers | |||
| 13 | 9432157 | Adaptive control system and method | |||
| 14 | 9432133 | Vector signal generator channel characterization employing orthogonal modulation | |||
| 15 | 9425947 | Wireless device | |||
| 16 | 9419776 | Method and apparatus for operating supplementary cells in licensed exempt spectrum | |||
| 17 | 9386163 | Method and arrangement in a digital subscriber line system | |||
| 18 | 9345014 | Mobile communication system, base station, user terminal, and communication control method | |||
| 19 | 9344998 | Multi-band channel aggregation | |||
| 20 | 9344262 | Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches | |||
| 21 | 9331825 | Method for transmitting and receiving additional control signals | |||
| 22 | 9313066 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 23 | 9306852 | Coding and packet distribution for alternative network paths in telecommunications networks | |||
| 24 | 9306724 | Apparatus and method for avoiding interference between access points | |||
| 25 | 9295057 | Method and apparatus for compressing and transmitting ultra high speed data | |||
| 26 | 9294320 | Wireless transmission system and wireless transmitter, wireless receiver, wireless transmission method, wireless reception method and wireless communication method used with same | |||
| 27 | 9294239 | Method and apparatus for hybrid FDM-CDM structure for single carrier based control channels | |||
| 28 | 9281985 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 29 | 9281984 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 30 | 9281983 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 31 | 9281982 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 32 | 9281933 | Method of signaling control information in wireless communication system with multiple frequency blocks | |||
| 33 | 9281863 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 34 | 9281862 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 35 | 9280414 | Combination of error correction and error detection for transmitting digital data | |||
| 36 | 9276793 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 37 | 9264176 | Multi-carrier arrangement for high speed data | |||
| 38 | 9258100 | Multiple frequency band information signal frequency band compression | |||
| 39 | 9246665 | Transmitting apparatus, receiving apparatus, and communication method | |||
2015 | |||||
| 40 | 9225385 | Method for spreading a plurality of data symbols onto subcarriers of a carrier signal | |||
| 41 | 9219594 | Dual antenna integrated carrier aggregation front end solution | |||
| 42 | 9215119 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 43 | 9209957 | Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches | |||
| 44 | 9203658 | Full band cable receiver | |||
| 45 | 9203496 | Dynamic allocation of transceivers and frequency channels in MIMO systems | |||
| 46 | 9191179 | Method for reducing power consumption of terminal in mobile communication system using multi-carrier structure | |||
| 47 | 9191177 | Transmission of feedback information for multi-carrier operation | |||
| 48 | 9167560 | Multi-band channel aggregation | |||
| 49 | 9148239 | Systems and methods for programmatically filtering frequency signals | |||
| 50 | 9137081 | Satellite navigational signal generating method generating device receiving method and receiving device | |||
| 51 | 9136811 | Automatic gain control (AGC) for multichannel/wideband communications system | |||
| 52 | 9119189 | Control signal aggregation in a multi-carrier WCDMA system | |||
| 53 | 9112761 | System and method for routing and up-converting narrowband channels | |||
| 54 | 9112515 | Geographic locating remote endpoint monitor device, system, and methodology thereof | |||
| 55 | 9107124 | Delivery of multicast and broadcast services concurrently with unicast data | |||
| 56 | 9094022 | Geographic locating remote endpoint monitor device, system, and methodology thereof | |||
2014 | |||||
| 57 | 8917696 | Method and apparatus for communicating to UE an indication of available RS, based on MIMO mode settings | |||
| 58 | 8848761 | Application of sequence hopping and orthogonal covering codes to uplink reference signals | |||
| 59 | 8830931 | Method for transmitting sounding reference signals in a wireless communication system, and apparatus for same | |||
2013 | |||||
| 60 | 8526296 | Signal separation device and signal separating method | |||
2011 | |||||
| 61 | 7965618 | Communication systems | |||
| 62 | 7957257 | Communication systems | |||
2006 | |||||
| 63 | 7035338 | Method and apparatus for encoding/framing for modulated signals over impulsive channels | |||
2005 | |||||
| 64 | 6956835 | Multi-carrier arrangement for high speed data | |||
| 65 | 6950387 | Communication method, system, and apparatus that combines aspects of cyclic prefix and zero padding techniques | |||
| 66 | 6944118 | System and method for communicating digital information using time-and-frequency-bounded base functions | |||
| 67 | 6940896 | Method for seamlessly combining adjacent filters in a frequency channelizer | |||
| 68 | 6937617 | Apparatus and method for trellis encoding data for transmission in digital data transmission systems | |||
| 69 | 6934368 | Multi-band modem | |||
| 70 | 6925134 | System and method for signal synchronization in a communication system | |||
| 71 | 6922454 | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band | |||
| 72 | 6920185 | Distributed block frequency converter | |||
| 73 | 6914539 | System and method for a low rate, in-band broadcast communication for medical telemetry | |||
| 74 | 6898249 | Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers | |||
| 75 | 6898207 | Techniques for communicating information using Hermite-Gaussian basis functions | |||
| 76 | 6888815 | Subscriber unit for compressing and transmitting high speed data | |||
| 77 | 6865193 | Video transmission system and method utilizing phone lines in multiple unit dwellings | |||
| 78 | 6859502 | Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system | |||
| 79 | 6856652 | Bandwidth efficient QAM on a TDM-FDM system for wireless communications | |||
| 80 | 6856590 | OFDM transmission device and OFDM transmission method | |||
| 81 | 6839330 | Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links | |||
2004 | |||||
| 82 | 6819658 | Method and apparatus for segmentation, reassembly and inverse multiplexing of packets and ATM cells over satellite/wireless networks | |||
| 83 | 6813326 | Data transmission system, data transmission communication station, and data transmission method | |||
| 84 | 6813317 | Multicarrier transmitting method and multicarrier transmitter circuit | |||
| 85 | 6813259 | Method and apparatus for minimizing delay variance via time divided transmissions | |||
| 86 | 6798848 | Architecture for multi-carrier receiver | |||
| 87 | 6792403 | Method and apparatus for compressing and transmitting ultra high speed data | |||
| 88 | 6791966 | Signal coding | |||
| 89 | 6781470 | Tunable oscillator | |||
| 90 | 6768900 | Duplex satellite communication using a single frequency or pair | |||
| 91 | 6760342 | Channelizer for a multi-carrier receiver | |||
| 92 | 6754284 | Method and apparatus for minima enlargement | |||
| 93 | 6751187 | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission | |||
| 94 | 6748011 | Efficient multicarrier filter | |||
| 95 | 6731614 | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications | |||
| 96 | 6728321 | Receiving device for angle-modulated signals | |||
| 97 | 6724827 | Low cost interoperable satellite digital audio radio service (SDARS) receiver adapted to receive signals in accordance with advantageous frequency plan | |||
| 98 | 6711140 | Method and apparatus for fast acquisition and synchronization of transmission frames | |||
| 99 | 6711122 | Frequency offset differential pulse position modulation | |||
| 100 | 6694148 | Transmit power control for MCPA-equipped based stations | |||
| 101 | 6693970 | QAM modulator | |||
| 102 | 6677862 | Transmitter tolerant to crystal variations | |||
2003 | |||||
| 103 | 6665308 | Apparatus and method for equalization in distributed digital data transmission systems | |||
| 104 | 6650717 | Asymmetric pulse amplitude modulation transmission of multi-stream data embedded in a hybrid IBOC channel | |||
| 105 | 6650658 | Controlled aliasing to simplify service selection | |||
| 106 | 6636555 | Amplitude limitation | |||
| 107 | 6633545 | System and method for determining the data rate capacity of digital subscriber lines | |||
| 108 | 6625222 | Apparatus and method for high-speed wireless upstream data transmission using CATV-compatible modems | |||
| 109 | 6611565 | Broadband transmitter for a signal consisting of a plurality of digitally modulated carriers | |||
| 110 | 6603806 | Method and apparatus for high data rate wireless communications over wavefield spaces | |||
| 111 | 6598198 | Deinterleaving device that releases a plurality of types of interleaving simultaneously | |||
| 112 | 6590871 | Multi-carrier modulation apparatus and transmitter using the same | |||
| 113 | 6584305 | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band | |||
| 114 | 6574647 | Filter arrangement | |||
| 115 | 6574207 | Method for subscriber unit compressing and transmitting high speed data | |||
| 116 | 6570929 | Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters | |||
| 117 | 6546061 | Signal transformation method and apparatus | |||
| 118 | 6529303 | Optical communications networks utilizing frequency division multiplexing | |||
| 119 | 6526383 | Method and apparatus for compressing and transmitting high speed data | |||
| 120 | 6522869 | Transmission apparatus | |||
| 121 | 6522697 | Use of higher order modulation techniques to transmit large aggregate data rates on an optical link with relatively low speed electronics | |||
| 122 | 6522637 | System and method for allocating a carrier wave frequency of one channel between two carrier wave frequencies of another channel | |||
| 123 | 6512307 | Motor vehicle data transmission system and data transmission method | |||
| 124 | 6507199 | Method for measuring the operating properties of a subscriber line module for high-bit-rate data transmission | |||
2002 | |||||
| 125 | 6493358 | Apparatus and method for demultiplexing a frequency division multiplexed input signal and polyphase digital filter network therefor | |||
| 126 | 6483817 | Digital combining of forward channels in a base station | |||
| 127 | 6480528 | Automatic gain control for improved decoding of multi-carrier signal | |||
| 128 | 6477669 | Method and apparatus for adaptive control of forward error correction codes | |||
| 129 | 6473495 | Apparatus and method for coupling analog subscriber lines connected to a private branch exchange for transmission of network data signals in a home network | |||
| 130 | 6473214 | Methods of and apparatus for optical signal transmission | |||
| 131 | 6452986 | Detector tolerant of frequency misalignment | |||
| 132 | 6452945 | Electrical add-drop multiplexing for optical communications networks utilizing frequency division multiplexing | |||
| 133 | 6449244 | Implementation of orthogonal narrowband channels in a digital demodulator | |||
| 134 | 6430391 | Duplex satellite communication using a single frequency or pair | |||
| 135 | 6421392 | Single-source multidrop communication system | |||
| 136 | 6411653 | Cascaded polyphase DFT-filter band for a wireless telecommunications system | |||
| 137 | 6407843 | System and method for spectrally efficient transmission of digital data over optical fiber | |||
| 138 | 6396826 | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications | |||
| 139 | 6393451 | Flexibility enhancement to the modified fast convolution algorithm | |||
| 140 | 6393066 | Efficient digital channelizer system and method of operation thereof | |||
| 141 | 6385189 | Method and apparatus for compressing and transmitting high speed data | |||
| 142 | 6377557 | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications | |||
| 143 | 6370211 | Method and apparatus for facilitating reception of a signal on one of a plurality of contiguous channels | |||
| 144 | 6363124 | Phase-noise compensated digital communication receiver and method therefor | |||
| 145 | 6356555 | Apparatus and method for digital data transmission using orthogonal codes | |||
| 146 | 6351451 | Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture | |||
| 147 | 6349118 | Digital channelizer having efficient architecture for cyclic shifting and method of operation thereof | |||
2001 | |||||
| 148 | 6334060 | Multi-channel or split-frequency, low frequency, telemetry circuit and method between transmitters and receivers | |||
| 149 | 6330289 | System for improving base station amplifier performance | |||
| 150 | 6324222 | Digital receiver with polyphase structure | |||
| 151 | 6307890 | High density FM subcarrier modulation with standardized network layer | |||
| 152 | 6307868 | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops | |||
| 153 | 6289056 | Broadband multicarrier modulator and corresponding programming method | |||
| 154 | 6285720 | Method and apparatus for high data rate wireless communications over wavefield spaces | |||
| 155 | 6266687 | Flexibility enhancement to the modified fast convolution algorithm | |||
| 156 | 6252910 | Bandwidth efficient QAM on a TDM-FDM system for wireless communications | |||
| 157 | 6247035 | Reduced complexity and increased flexibility modified fast convolution algorithm | |||
| 158 | 6246664 | Modulator for modulating digital signals | |||
| 159 | 6236691 | Signal demodulation method and apparatus | |||
| 160 | 6222828 | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications | |||
| 161 | 6215828 | Signal transformation method and apparatus | |||
| 162 | 6208635 | Network for transferring data packets and method for operating the network | |||
| 163 | 6205133 | Flexible wideband architecture for use in radio communications systems | |||
| 164 | 6201830 | Low computation idle transmission method for DSL modems | |||
2000 | |||||
| 165 | 6163276 | System for remote data collection | |||
| 166 | 6154456 | Apparatus and method for digital data transmission using orthogonal codes | |||
| 167 | 6151368 | Phase-noise compensated digital communication receiver and method therefor | |||
| 168 | 6151335 | Modulation switching for DSL signal transmission | |||
| 169 | 6111886 | Apparatus for and method of communicating among devices interconnected on a bus | |||
| 170 | 6111870 | Method and apparatus for compressing and transmitting high speed data | |||
| 171 | 6104722 | Apparatus for and method of communicating among devices interconnected on a bus | |||
| 172 | 6091780 | Transmitting and receiving radio signals | |||
| 173 | 6088403 | Signal extraction method and apparatus | |||
| 174 | 6088399 | Multi-mode transmitter and receiver | |||
| 175 | 6084890 | Method and apparatus for combining carrier signals | |||
| 176 | 6026079 | Modem to support multiple site call conferenced data communications | |||
| 177 | 6014719 | Modulated bus computer system having filters with different frequency coverages for devices on the bus | |||
1999 | |||||
| 178 | 6005873 | Apparatus and method for concurrent voice and data transmission | |||
| 179 | 5999575 | Channel separating filter apparatus, PSK demodulator apparatus and PSK receiver apparatus each equipped with channel separating filter apparatus | |||
| 180 | 5991308 | Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant | |||
| 181 | 5987541 | Computer system using signal modulation techniques to enhance multimedia device communication | |||
| 182 | 5983078 | Channel spacing for distortion reduction | |||
| 183 | 5974082 | Spread spectrum communications system | |||
| 184 | 5970397 | Method for the frequency correction of multicarrier signals and related apparatus | |||
| 185 | 5966376 | Apparatus and method for digital data transmission using orthogonal cyclic codes | |||
| 186 | 5966048 | Low IMD amplification method and apparatus | |||
| 187 | 5963562 | Parameter estimation techniques applicable to multiple-signal communications media | |||
| 188 | 5946048 | Network device for handling digital data over a TV channel | |||
| 189 | 5940365 | AM data multiplexing modulation apparatus | |||
| 190 | 5937011 | Multi-carrier high power amplifier using digital pre-distortion | |||
| 191 | 5930678 | Intermodulation distortion reduction method and apparatus | |||
| 192 | 5917858 | Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio | |||
| 193 | 5895483 | Disk array system for performing frequency division multiplex transmissions | |||
| 194 | 5894498 | Method and apparatus for analyzing a composite carrier signal | |||
| 195 | 5878084 | Method and apparatus for recovering the independent bit streams from each of two co-channel frequency modulated carriers | |||
1998 | |||||
| 196 | 5848097 | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for a multichannel communication network | |||
| 197 | 5844949 | Power line communication system | |||
| 198 | 5838268 | Apparatus and methods for modulation and demodulation of data | |||
| 199 | 5815532 | Method and apparatus for peak-to-average ratio control in an amplitude modulation paging transmitter | |||
| 200 | 5796783 | Digital transmission system | |||
| 201 | 5793759 | Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes | |||
| 202 | 5790555 | Signal multiplexer and multiplexing method | |||
| 203 | 5781728 | Flexible asymmetrical digital subscriber line ADSL transmitter, remote terminal using same, and method therefor | |||
| 204 | 5768269 | Apparatus and method for establishing frame synchronization in distributed digital data communication systems | |||
| 205 | 5745839 | Satellite multiple access system with distortion cancellation and compression compensation | |||
| 206 | 5745837 | Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA | |||
| 207 | 5720039 | Satellite multiple access system with distortion cancellation and compression compensation | |||
| 208 | 5710797 | Method and apparatus for digital communication in the presence of closely spaced adjacent channels | |||
| 209 | 5708682 | Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave | |||
1997 | |||||
| 210 | 5694431 | Method and apparatus for average power control | |||
| 211 | 5692016 | Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system | |||
| 212 | 5691983 | Communication system with repeatedly allocated channel ID numbers | |||
| 213 | 5638401 | Method and apparatus for generating plural quadrature modulated carriers | |||
| 214 | 5636253 | Method for detecting erasures in received digital data | |||
| 215 | 5636209 | Modem to support multiple site call conferenced data communications | |||
| 216 | 5627501 | Signal coupler with automatic common line attenuation compensation | |||
| 217 | 5606575 | FFT-based channelizer and combiner employing residue-adder-implemented phase advance | |||
| 218 | 5602847 | Segregated spectrum RF downconverter for digitization systems | |||
1996 | |||||
| 219 | 5590153 | Digital modem for reducing interference in the same channel of another system | |||
| 220 | 5581576 | Radio information broadcasting and receiving system | |||
| 221 | 5577024 | Multiple access radio system | |||
| 222 | 5574450 | Synchronization adder circuit | |||
| 223 | 5559799 | Modulator and demodulator apparatus as well as modulation and demodulation method | |||
| 224 | 5535240 | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network | |||
| 225 | 5530920 | Automatic output level control system for multi-carrier radio transmission apparatus | |||
| 226 | 5519732 | Digital baseband to IF conversion in cellular base stations | |||
| 227 | 5499244 | Packet data reciever with sampled data output and background light cancellation | |||
1995 | |||||
| 228 | 5479417 | Error correction apparatus capable of improving error correction ability without expansion of a frequency band | |||
| 229 | 5469219 | RF-based high-bandwidth signal transmission method and apparatus | |||
| 230 | 5463355 | Wideband vector modulator which combines outputs of a plurality of QPSK modulators | |||
| 231 | 5444415 | Modulation and demodulation of plural channels using analog and digital components | |||
| 232 | 5440589 | Frequency offset dealing modulator and demodulator apparatus | |||
| 233 | 5432786 | Modem for modulating and demodulating main signal and secondary signal with clock synchronized system and transforming secondary signal between start-stop system and clock-synchronized system | |||
| 234 | 5388122 | Modulation and demodulation system | |||
1994 | |||||
| 235 | 5351148 | Optical transmission system | |||
| 236 | 5345437 | System for controlling frequency multiplexing modems | |||
| 237 | 5313492 | Data modulator/demodulator | |||
| 238 | 5301363 | Method and apparatus for adaptive power adjustment of mixed modulation radio transmission | |||
| 239 | 5289464 | Frequency-multiplexed cellular telephone cell site base station and method of operating the same | |||
| 240 | 5282209 | Data word transmission system utilizing at least two transmission channels | |||
1993 | |||||
| 241 | 5272724 | Wideband signal synchronization | |||
| 242 | 5268761 | Automatic gain control system for a high definition television signal receiver including an adaptive equalizer | |||
| 243 | 5263196 | Method and apparatus for compensation of imbalance in zero-if downconverters | |||
| 244 | 5263018 | Apparatus for time division multiplexed processing of plural QAM signals | |||
| 245 | 5255086 | Method and apparatus for RF data transfer in a CATV system | |||
| 246 | 5251324 | Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system | |||
| 247 | 5249201 | Transmission of multiple carrier signals in a nonlinear system | |||
| 248 | 5245340 | Digital transmultiplexer with automatic threshold controller | |||
| 249 | 5225902 | Automatic frequency selection in a bi-directional cable television system | |||
| 250 | 5222103 | Differential quadrature phase shift keying encoder for subcarrier systems | |||
| 251 | 5220557 | Multiple use digital transmitter/transceiver with time multiplexing | |||
| 252 | 5214641 | Mixed analog digital secondary channel FSK modem | |||
| 253 | 5214390 | Method and apparatus for partial response demodulation | |||
| 254 | 5201071 | Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power | |||
| 255 | 5187711 | Error correction method for multicarrier radio transmission system | |||
| 256 | 5185591 | Power distribution line communication system for and method of reducing effects of signal cancellation | |||
1992 | |||||
| 257 | 5155590 | System for data channel level control | |||
| 258 | 5142690 | Cable television radio frequency data processor | |||
1991 | |||||
| 259 | 5052024 | Offset frequency multipoint modem and communications network | |||
| 260 | 5025442 | TDM/FDM communication system with pseudo-duplex capability | |||
| 261 | 5005188 | Channel estimation and detection for digital communication systems | |||
1990 | |||||
| 262 | 4908840 | PSK modulation with an error correction memory | |||
1989 | |||||
| 263 | 4881222 | Multicarrier demodulator | |||
| 264 | 4862483 | Channel estimation and detection for digital communication systems | |||
| 265 | 4821289 | Multiple parallel channel equalization architecture | |||
| 266 | 4811021 | Dual polarization transmission system | |||
| 267 | 4799214 | Two-wire full duplex frequency division multiplex modem system having echo cancellation means | |||
1987 | |||||
| 268 | 4694471 | Digital data communicating | |||
| 269 | 4677608 | Method of transferring an additional information channel across a transmission medium | |||
1986 | |||||
| 270 | 4631733 | Transceiver | |||
| 271 | 4581588 | Switchable bandpass filter | |||
1984 | |||||
| 272 | 4481622 | High speed dial-up telephone circuit full duplex data transmission techniques | |||
| 273 | 4438511 | Packetized ensemble modem | |||
| 274 | 4436956 | Switchable bandpass filter | |||
1983 | |||||
| 275 | 4419756 | Voiceband data set | |||
| 276 | 4388697 | Voiceband data set circuitry with dual bus architecture | |||
1982 | |||||
| 277 | 4330687 | Audio and full duplex digital data carrier system | |||
| 278 | 4317209 | FSK Tone generator circuit | |||
1981 | |||||
| 279 | 4302629 | Digital data transmission system | |||
| 280 | 4273955 | System for in-service quantitative performance analysis of data communications system | |||
| 281 | 4259744 | Signal generator | |||
1980 | |||||
| 282 | 4199761 | Multichannel radio communication system for automated power line distribution networks | |||
1977 | |||||
| 283 | 4053713 | Multi-channel multiplex data transmission system | |||
| 284 | 4020288 | System for data transmission through the channels of a frequency division multiplex system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||