СПИСОК патентов США - подгруппа МПК16 H04L27/02
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608797 | Adaptive envelope extracting apparatus, signal decoding apparatus and short-distance contactless communication apparatus applying the adaptive envelope extracting apparatus, and method thereof | |||
| 2 | 9595984 | Concept for transmitting and receiving an information symbol | |||
| 3 | 9590734 | Method for data processing in an optical network component and optical network component | |||
| 4 | 9577786 | Pilot symbol generation for highly-spectrally-efficient communications | |||
| 5 | 9571210 | Signal processing device, signal processing method, and receiving device | |||
| 6 | 9549142 | Video data transmitter apparatus and video data receiver apparatus for transmission system using multi-value amplitude modulation | |||
| 7 | 9548858 | Skew management for PAM communication systems | |||
| 8 | 9544017 | Powerline communicated load control | |||
2016 | |||||
| 9 | 9515736 | Systems for differential optical signaling | |||
| 10 | 9509537 | In-band data communication system using wireless power | |||
| 11 | 9509531 | Decision feedback equalizer | |||
| 12 | 9497588 | Communication system, communication method, and data processing apparatus | |||
| 13 | 9467316 | Method and device for transmitting a low-frequency signal over a data transmission link using a digital high bit-rate signal | |||
| 14 | 9467251 | Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications | |||
| 15 | 9465097 | Systems and methods for providing ADS-B mode control through data overlay | |||
| 16 | 9455863 | Separating and extracting modulated signals | |||
| 17 | 9455748 | Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal | |||
| 18 | 9450871 | Digital broadcasting system and method of processing data | |||
| 19 | 9444578 | Method and apparatus of processing digital broadcasting signal in transmitter and receiver | |||
| 20 | 9432236 | System for generating a calibration signal, related transceiver and method | |||
| 21 | 9426014 | Separating and extracting modulated signals | |||
| 22 | 9425870 | Method for performing multiple access in wireless OFDM cellular systems over multipath wireless channels considering both space and frequency domains, base station and computer programs thereof | |||
| 23 | 9423443 | System and method of detecting and locating intermittent and other faults | |||
| 24 | 9413299 | Systems and methods utilizing adaptive envelope tracking | |||
| 25 | 9391741 | Joint preamble and code rate identifier in a mobile DTV system | |||
| 26 | 9385896 | Method and apparatus for low-complexity quasi-reduced state soft-output equalizer | |||
| 27 | 9385816 | Methods and arrangements for frequency shift communications by undersampling | |||
| 28 | 9385812 | Optical communication interface utilizing N-dimensional double square quadrature amplitude modulation | |||
| 29 | 9379925 | Transpositional modulation systems and methods | |||
| 30 | 9379785 | Near field RFID system with multiple reader coils | |||
| 31 | 9379666 | Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing same | |||
| 32 | 9369320 | Communication system having cross polarization interference cancellation (XPIC) | |||
| 33 | 9357040 | Transmitting system and method for transmitting digital broadcast signal | |||
| 34 | 9356635 | Method for operating a vehicle-side receiver device of a train control system and vehicle-side receiver device | |||
| 35 | 9344310 | Apparatus and method for performing properrizing frequency shift(p-FRESH) vectorizing | |||
| 36 | 9338042 | Separating and extracting modulated signals | |||
| 37 | 9338040 | Use of multi-level modulation signaling for short reach data communications | |||
| 38 | 9337929 | Ethernet passive optical network over coaxial (EPOC) | |||
| 39 | 9325547 | Preamble identification in a mobile DTV system | |||
| 40 | 9325433 | High dynamic range transceiver | |||
| 41 | 9325356 | Single-sideband transmitter using class-S amplifier | |||
| 42 | 9316722 | Systems and methods for providing ATC overlay protocols | |||
| 43 | 9277290 | Transmitting/receiving system and method of processing data in the transmitting/receiving system | |||
| 44 | 9276648 | Method and system for performing multiple access in wireless OFDM cellular systems considering both space and frequency domains | |||
| 45 | 9270506 | Methods for bypassing faulty connections | |||
| 46 | 9270416 | Multi-mode transmitter for highly-spectrally-efficient communications | |||
| 47 | 9264179 | Decision feedback equalizer for highly spectrally efficient communications | |||
| 48 | 9258157 | Method and system for mapping bit sequences | |||
| 49 | 9252822 | Adaptive non-linear model for highly-spectrally-efficient communications | |||
| 50 | 9242106 | Telemetry system for use with microstimulator | |||
| 51 | 9231639 | High frequency transceiver | |||
| 52 | 9231628 | Low-complexity, highly-spectrally-efficient communications | |||
2015 | |||||
| 53 | 9225500 | Microwave backhaul system having a dual channel over a single interconnect | |||
| 54 | 9210429 | Encoder of E-8VSB forward error correction for digital television system of ATSC | |||
| 55 | 9209843 | Fine phase estimation for highly spectrally efficient communications | |||
| 56 | 9191931 | Method and apparatus for the transmission of a control signal in a radio communication system | |||
| 57 | 9167284 | Digital broadcasting transmission/reception system utilizing mull packet and TRS code to improve receiving performance and signal processing method thereof | |||
| 58 | 9166833 | Feed forward equalization for highly-spectrally-efficient communications | |||
| 59 | 9166830 | Systems and methods utilizing adaptive envelope tracking | |||
| 60 | 9162071 | Method for controlling telemetry in an implantable medical device based on power source capacity | |||
| 61 | 9160413 | Transmitter, communications system and method for transmitting data signals | |||
| 62 | 9154817 | Digital broadcasting system and method of processing data in digital broadcasting system | |||
| 63 | 9143310 | Method of correcting time misalignment between envelope and phase components | |||
| 64 | 9136948 | Electrical modulator driver circuit for generating multi-level drive signals for QAM optical transmission | |||
| 65 | 9130785 | Method for the detection and identification of failed electronic radio frequency (RF) transmission devices | |||
| 66 | 9130627 | Multi-mode receiver for highly-spectrally-efficient communications | |||
| 67 | 9124470 | Reception signal processing device and method for processing reception signal | |||
| 68 | 9124413 | Clock and data recovery for NFC transceivers | |||
| 69 | 9106415 | Microwave backhaul system having a double capacity link | |||
| 70 | 9106292 | Coarse phase estimation for highly-spectrally-efficient communications | |||
| 71 | 9100673 | Digital broadcasting transmission/reception system utilizing mull packet and TRS code to improve receiving performance and signal processing method thereof | |||
| 72 | 9100071 | Timing pilot generation for highly-spectrally-efficient communications | |||
| 73 | 9079041 | Systems and methods for communicating with an implantable stimulator | |||
| 74 | 9077605 | Apparatus and method for supporting time-quadrature amplitude modulation in a wireless communication system | |||
| 75 | 9071471 | Low-complexity estimation of QAM symbols and constellations | |||
| 76 | 9071305 | Timing synchronization for reception of highly-spectrally-efficient communications | |||
| 77 | 9065557 | Signal transmission device and signal transmission method | |||
| 78 | 9059876 | Communication system having cross polarization interference cancellation (XPIC) | |||
| 79 | 9025430 | System and method of modulation and coding scheme adjustment for a LTE shared data channel | |||
2014 | |||||
| 80 | 8909381 | Data communication in a multi-wire irrigation control system | |||
| 81 | 8842780 | Method and apparatus for correcting signal dependent duty cycle errors in amplitude shift keying receivers | |||
| 82 | 8831123 | Apparatus and method for soft demapping | |||
| 83 | 8717928 | Splitterless multicarrier modem | |||
2013 | |||||
| 84 | 8619911 | Quadrature signal decoding using a driver | |||
| 85 | 8615055 | Communication between modems in XPIC configuration for wireless applications | |||
| 86 | 8488667 | DTV transmitter and method of coding data in DTV transmitter | |||
| 87 | 8488503 | Magnetic field communication method for managing node with low power consumption | |||
| 88 | 8450877 | Communication across an inductive link with a dynamic load | |||
| 89 | 8422579 | Quadrature amplitude modulation via modified-square signal point constellation | |||
2012 | |||||
| 90 | 8315276 | Transmitting data between a base station and a transponder | |||
| 91 | 8300568 | Transmitter, receiver, multi-class multimedia broadcast/multicast service system and modulation method thereof | |||
| 92 | 8295386 | Nonlinear filter and transmission circuit | |||
| 93 | 8260465 | Data communication in a multi-wire irrigation control system | |||
| 94 | 8189707 | DC offset correction of a radio frequency receiver used with a continuous transmission radio frequency signal | |||
| 95 | 8179783 | System and method of modulation and coding scheme adjustment for a LTE shared data channel | |||
| 96 | 8175193 | Apparatus for recovering carrier wave in digital broadcasting receiver and method therefor | |||
| 97 | 8160173 | Communication system | |||
| 98 | 8116400 | Apparatus for adapting reception modes of a mobile DTV receiver in response to signaling | |||
2011 | |||||
| 99 | 8054906 | Digital broadcasting system and data processing method | |||
| 100 | 7995693 | Method and apparatus for serial communication using clock-embedded signals | |||
| 101 | 7944988 | Configuration for implementing enhanced VSB on the studio side | |||
| 102 | 7933307 | Multiple-input multiple-output ultra-wide band communication method and device using hermite pulses | |||
| 103 | 7924936 | System and method for wave damping | |||
2010 | |||||
| 104 | 7826549 | Wireless communication transmitter and system having the same | |||
| 105 | 7804911 | Dual demodulation mode AM radio | |||
| 106 | 7664197 | AM receiving circuit | |||
2008 | |||||
| 107 | 7433417 | Receiver with a signal path | |||
| 108 | 7394871 | Digital implementation of multi-channel demodulators | |||
| 109 | 7359448 | Remote transmitter system and method | |||
2007 | |||||
| 110 | 7230993 | Method and apparatus for modulation using an at least four-dimensional signal constellation | |||
2006 | |||||
| 111 | 7120202 | Wireless communication apparatus | |||
| 112 | 7065158 | Detection method for phase-modulated symbols with a correlator-bank | |||
| 113 | 6996190 | Method of encoding a signal, transmitter and receiver | |||
2005 | |||||
| 114 | 6965655 | Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference | |||
| 115 | 6963618 | Enhanced slice prediction feedback | |||
| 116 | 6963616 | Adaptively configurable class-A/class-B transmit DAC to transceiver emission and power consumption control | |||
| 117 | 6958781 | Mapping arrangement for digital communication system | |||
| 118 | 6956914 | Transmit amplitude independent adaptive equalizer | |||
| 119 | 6927708 | Mapping system for transmission and reception of multiple data types | |||
| 120 | 6925130 | Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications | |||
| 121 | 6924753 | Robust system for transmitting and receiving map data | |||
| 122 | 6922448 | Upstream power back-off | |||
| 123 | 6901246 | Suppressed cycle based carrier modulation using amplitude modulation | |||
| 124 | 6882826 | Process for the transfer of data | |||
| 125 | 6882684 | Automatic gain control circuit, data communication device and automatic gain control method | |||
| 126 | 6865237 | Method and system for digital signal transmission | |||
| 127 | 6859501 | System for transmitting high-speed added-value services in terrestrial digital broadcasting | |||
| 128 | 6847312 | Symmetric line coding | |||
| 129 | 6842495 | Dual mode QAM/VSB receiver | |||
2004 | |||||
| 130 | 6836519 | Automatic digital scaling for digital communication systems | |||
| 131 | 6810090 | Direct digital vestigial sideband (VSB) modulator | |||
| 132 | 6806816 | Robust system for transmitting and receiving map data | |||
| 133 | 6803970 | Digital television receiver with match filter responsive to field synchronization code | |||
| 134 | 6792050 | Ask modulation apparatus and method | |||
| 135 | 6782057 | Very high-speed digital RF clipper/modulator | |||
| 136 | 6775334 | Equalization and decision-directed loops with trellis demodulation in high definition TV | |||
| 137 | 6771714 | Timing recovery using the pilot signal in high definition TV | |||
| 138 | 6771712 | System for extracting a clock signal and a digital data signal from a modulated carrier signal in receiver | |||
| 139 | 6765508 | Robust system for transmitting and receiving map data | |||
| 140 | 6762698 | Robust system for transmitting and receiving map data | |||
| 141 | 6747548 | Non-contact IC card system and non-contact IC card | |||
| 142 | 6741645 | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component | |||
| 143 | 6741642 | Enhanced constellation display for VSB television signals | |||
| 144 | 6728467 | Communication system | |||
| 145 | 6727936 | NTSC interference rejection filter | |||
| 146 | 6724976 | Communication system | |||
| 147 | 6724851 | FIR chip for use in a wireless subscriber unit | |||
| 148 | 6721369 | Composite BPSK/AM-BPSK based spectral suppression of out-of-band energy from saturated RF amplifier | |||
| 149 | 6717961 | Format converting apparatus and digital broadcasting receiver | |||
| 150 | 6717427 | Circuit arrangement | |||
| 151 | 6711214 | Reduced bandwidth transmitter method and apparatus | |||
| 152 | 6690741 | Ultra wideband data transmission system and method | |||
| 153 | 6677866 | Modulation apparatus/method, demodulation apparatus/method and program presenting medium | |||
2003 | |||||
| 154 | 6671342 | Phase detectors in carrier recovery for offset QAM and VSB | |||
| 155 | 6671002 | VSB receiver | |||
| 156 | 6654407 | Noise shaping technique for spread spectrum communications | |||
| 157 | 6650717 | Asymmetric pulse amplitude modulation transmission of multi-stream data embedded in a hybrid IBOC channel | |||
| 158 | 6647074 | Removal of clock related artifacts from an offset QAM generated VSB signal | |||
| 159 | 6640090 | Signal transmitter utilizing ask modulation wave | |||
| 160 | 6621527 | Digital receiver with match filter responsive to field synchronization code in the final I-F signal envelope | |||
| 161 | 6618096 | System and method for adaptively balancing quadrature modulators for vestigial-sideband generation | |||
| 162 | 6611565 | Broadband transmitter for a signal consisting of a plurality of digitally modulated carriers | |||
| 163 | 6606010 | Quadrature vestigial sideband digital communications method | |||
| 164 | 6597744 | Transmitter for electronic article surveillance system | |||
| 165 | 6591391 | Method of generating an 8-VSB modulated signal | |||
| 166 | 6587516 | Subscriber unit producing a modulated digital frequency | |||
| 167 | 6583678 | Electrical circuit and method for pulse modulation of a carrier signal | |||
| 168 | 6580762 | Rate matching method | |||
| 169 | 6574287 | Frequency/Phase comparison circuit with gated reference and signal inputs | |||
| 170 | 6574284 | Bit encoding system and method | |||
| 171 | 6570931 | Switched voltage adaptive slew rate control and spectrum shaping transmitter for high speed digital transmission | |||
| 172 | 6567199 | Digital optical transmission apparatus and method for performing ASK modulation to generate base band component with constant DC level | |||
| 173 | 6563436 | Kerdock coding and decoding system for map data | |||
| 174 | 6549716 | Communication system | |||
| 175 | 6545728 | Digital television receivers that digitize final I-F signals resulting from triple-conversion | |||
| 176 | 6539062 | Pilot signal control for digital television DTV transmission | |||
| 177 | 6535545 | RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom | |||
| 178 | 6529562 | Ask Modulator | |||
| 179 | 6519328 | Variable low frequency offset, differential, OOK, high-speed twisted pair communication using telephone load coils | |||
| 180 | 6515712 | Signal distortion compensating apparatus and method in digital TV translator | |||
| 181 | 6512799 | Digital communication system and method for increased bit rates | |||
| 182 | 6512555 | Radio receiver for vestigal-sideband amplitude-modulation digital television signals | |||
| 183 | 6504880 | ASK modulation circuit | |||
2002 | |||||
| 184 | 6496550 | Time interleaved digital signal processing in a read channel with reduced noise configuration | |||
| 185 | 6496545 | Single side-band mixer | |||
| 186 | 6493409 | Phase detectors in carrier recovery for offset QAM and VSB | |||
| 187 | 6493398 | Burst mode digital communications system | |||
| 188 | 6487264 | RF modem apparatus | |||
| 189 | 6473214 | Methods of and apparatus for optical signal transmission | |||
| 190 | 6466277 | VSB digital modulator | |||
| 191 | 6463104 | Method of increasing coding levels | |||
| 192 | 6459741 | Implementation of N-VSB training sequences in N-squared QAM receiver structures | |||
| 193 | 6449318 | Variable low frequency offset, differential, OOK, high-speed twisted pair communication | |||
| 194 | 6438164 | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component | |||
| 195 | 6411659 | Timing recovery using the pilot signal in high definition TV | |||
| 196 | 6393062 | Methods and circuits for generating a preemphasis waveform | |||
| 197 | 6377630 | Transmission circuit | |||
| 198 | 6370210 | Circuitry for generating a gain control signal applied to an AGC amplifier and method thereof | |||
| 199 | 6347111 | Noise shaping technique for spread spectrum communications | |||
| 200 | 6344871 | NTSC interference rejection filter | |||
2001 | |||||
| 201 | 6326860 | Amplitude modulator capable of minimizing power leakage to adjacent channels | |||
| 202 | 6313772 | Complex carrier signal generator for determining cyclic wave shape | |||
| 203 | 6311047 | Gain control method and circuit | |||
| 204 | 6292518 | Use of 64-QAM circuitry for receiving and decoding 8-VSB signals | |||
| 205 | 6292067 | Ask modulator and communication device using the same | |||
| 206 | 6256357 | Communication system | |||
| 207 | 6249559 | Digital frequency phase locked loop (FPLL) for vestigial sideband (VSB) modulation transmission system | |||
| 208 | 6229464 | Pulse code modulated to DC centered VSB converter | |||
| 209 | 6226323 | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component | |||
| 210 | 6222891 | Timing recovery using the pilot signal in high definition TV | |||
| 211 | 6219088 | NTSC interference rejection filter | |||
| 212 | 6194978 | Interrupt modulation method and apparatus | |||
| 213 | 6185263 | Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control | |||
| 214 | 6176432 | Modulating and demodulating device | |||
| 215 | 6172781 | Wave division multiplexed optical network | |||
2000 | |||||
| 216 | 6167241 | Technique for performing amplitude modulation without cheating side-bands | |||
| 217 | 6151367 | Digital demodulator | |||
| 218 | 6148021 | Noise shaping technique for spread spectrum communications | |||
| 219 | 6134275 | Method for transmitting data between a terminal and a portable data carrier over a wireless electromagnetic transmission link | |||
| 220 | 6122312 | Acoustic wave communication apparatus and method | |||
| 221 | 6115431 | Phase detecting method and phase tracking loop circuit for a digital vestigial sideband modulation communication device | |||
| 222 | 6104763 | Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver | |||
| 223 | 6091781 | Single sideband transmission of QPSK, QAM and other signals | |||
| 224 | 6049651 | Communication system | |||
| 225 | 6038262 | Method and apparatus for compensation of electro-magnetic distortion using weighted feedback delay for amplitude coded sinusoidal waveform generation and transmission | |||
| 226 | 6031419 | Demodulator for contactless chip card | |||
| 227 | 6026128 | Frequency- and phase regulator device for VSB receivers | |||
| 228 | 6026125 | Waveform adaptive ultra-wideband transmitter | |||
| 229 | 6011819 | Acoustic wave communication apparatus and method | |||
1999 | |||||
| 230 | 5999569 | Communication system | |||
| 231 | 5999223 | System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver | |||
| 232 | 5987070 | VSB mode selection system | |||
| 233 | 5956373 | AM compatible digital audio broadcasting signal transmision using digitally modulated orthogonal noise-like sequences | |||
| 234 | 5946356 | Method and apparatus for data transmission within a broad-band communications system | |||
| 235 | 5933460 | Phase detecting method and phase tracking loop circuit for a digital vestigial sideband modulation communication device | |||
| 236 | 5923454 | Modem method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time | |||
| 237 | 5917858 | Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio | |||
| 238 | 5910960 | Signal processing apparatus and method | |||
| 239 | 5909472 | Digital circuit clocking using a dual side band suppressed carrier clock modulated signal | |||
| 240 | 5894334 | Carrier recovery system for a vestigial sideband signal | |||
| 241 | 5892879 | Communication system for plural data streams | |||
| 242 | 5889819 | EMI reduction using double sideband suppressed carrier modulation | |||
| 243 | 5870593 | Method and programmable device for generating variable width pulse trains | |||
| 244 | 5864585 | Cosine segment communications system | |||
1998 | |||||
| 245 | 5841820 | Data comparison AGC system for VSB receiver | |||
| 246 | 5838719 | Noise shaping technique for spread spectrum communications | |||
| 247 | 5835532 | Blind equalizer for a vestigial sideband signal | |||
| 248 | 5825242 | Modulator/demodulator using baseband filtering | |||
| 249 | 5822020 | Method and device for generating a modulated television signal | |||
| 250 | 5819000 | Magnetic recording and playback apparatus | |||
| 251 | 5818875 | Modulation and demodulation method, modulator and demodulator | |||
| 252 | 5815536 | Multivalue digital transmission system | |||
| 253 | 5805242 | Carrier independent timing recovery system for a vestigial sideband modulated signal | |||
| 254 | 5802241 | Communication system | |||
| 255 | 5801595 | Device and method for digital vestigial sideband modulation | |||
| 256 | 5798674 | Band Limited AM modulator using linear power amplification | |||
| 257 | 5796959 | Noise shaping technique for spread spectrum communications | |||
| 258 | 5764701 | VSB modulator | |||
| 259 | 5761210 | Signal processing apparatus and method | |||
| 260 | 5757863 | Apparatus for decoding a signal encoded by using trellis coded modulation | |||
| 261 | 5745528 | VSB mode selection system | |||
| 262 | 5741314 | Embedded data link and protocol | |||
| 263 | 5726794 | DC bias controller for optical modulator | |||
| 264 | 5724178 | Amplitude modulation circuit having an electro-absorption modulator | |||
| 265 | 5717715 | Signal processing apparatus and method | |||
| 266 | 5712630 | High power moving object identification system | |||
| 267 | 5706057 | Phase detector in a carrier recovery network for a vestigial sideband signal | |||
1997 | |||||
| 268 | 5697076 | Suspended carrier modulation of high-Q transmitters | |||
| 269 | 5694419 | Shared resource modulator-demodulator circuits for use with vestigial sideband signals | |||
| 270 | 5692020 | Signal processing apparatus and method | |||
| 271 | 5682157 | Frequency-alternating synchronized infrared | |||
| 272 | 5668831 | Signal processing apparatus and method | |||
| 273 | 5648822 | Method and apparatus for combating co-channel NTSC interference using a variable-comb filter for digital TV transmission | |||
| 274 | 5638140 | FPLL having AFC filter with limited phase shift | |||
| 275 | 5636252 | Automatic gain control of radio receiver for receiving digital high-definition television signals | |||
| 276 | 5635864 | Comparator circuit | |||
| 277 | 5631645 | Symbol to byte converter | |||
| 278 | 5631610 | Single side-band modulation system for use in digitally implemented multicarrier transmission systems | |||
| 279 | 5629958 | Data frame structure and synchronization system for digital television signal | |||
| 280 | 5625647 | Transmitter having automatic level control function | |||
| 281 | 5606579 | Digital VSB detector with final IF carrier at submultiple of symbol rate, as for HDTV receiver | |||
| 282 | 5602601 | Phase error corrector for HDTV reception system | |||
| 283 | 5600672 | Communication system | |||
| 284 | 5596606 | Synchronous detector and methods for synchronous detection | |||
| 285 | 5592513 | Synchronous modulator and methods for synchronous modulation | |||
1996 | |||||
| 286 | 5590153 | Digital modem for reducing interference in the same channel of another system | |||
| 287 | 5565932 | AGC system with pilot using digital data reference | |||
| 288 | 5555275 | Multi-threshold and hierarchical television signal transmission system | |||
| 289 | 5535229 | Digital data transfer system for use especially with advertisement insertion systems | |||
| 290 | 5533071 | Error tracking loop incorporating simplified cosine look-up table | |||
| 291 | 5533070 | Simplified complex multiplier in error tracking loop | |||
| 292 | 5509030 | RF receiver AGC incorporating time domain equalizer circuity | |||
| 293 | 5508748 | Data level selection for multilevel VSB transmission system | |||
| 294 | 5491727 | Apparatus useful in radio communication of digital data using minimal bandwidth | |||
1995 | |||||
| 295 | 5479449 | Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver. | |||
| 296 | 5477199 | Digital quadrature amplitude and vestigial sideband modulation decoding method and apparatus | |||
| 297 | 5469475 | Transmitter comprising an eletronic arrangement for generating a modulated carrier signal | |||
| 298 | 5459758 | Noise shaping technique for spread spectrum communications | |||
| 299 | 5450444 | Digital AM transmitter | |||
| 300 | 5448768 | Aircraft data communication employing existing voice channels | |||
| 301 | 5410368 | Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval | |||
| 302 | 5406587 | Error tracking loop | |||
| 303 | 5398073 | Concatenated coded vestigial sideband modulation for high definition television | |||
| 304 | 5398008 | Circuit arrangement for amplitude-modulating the drive signal of a laser | |||
1994 | |||||
| 305 | 5327462 | Digital type VSB modulation apparatus | |||
| 306 | 5291154 | Synchronous single cycle sample and control amplitude modulator | |||
1993 | |||||
| 307 | 5253270 | Apparatus useful in radio communication of digital data using minimal bandwidth | |||
| 308 | 5227908 | Optical communication apparatus using intensity modulation | |||
1992 | |||||
| 309 | 5136614 | Spread spectrum communication system | |||
1991 | |||||
| 310 | 5077542 | Transmission system with suppressed carrier signal amplitude modulation preserving the polarity of the transmitted signal, and corresponding transmitter and receiver | |||
| 311 | 5040194 | Method and apparatus for providing for automatic gain control of incoming signals in a modem | |||
| 312 | 5022049 | Multiple access code acquisition system | |||
1990 | |||||
| 313 | 4973977 | Digital to amplitude modulated analog converter | |||
| 314 | 4947453 | Transparent tone-in band transmitters, receivers and systems | |||
| 315 | 4937842 | Self adjusting data detector | |||
| 316 | 4910474 | Method and apparatus for generating phase and amplitude modulated signals | |||
1989 | |||||
| 317 | 4871987 | FSK or am modulator with digital waveform shaping | |||
| 318 | 4868864 | Autocorrelating 2400 bps handshake sequence detector | |||
| 319 | 4860010 | Automatic drift control circuit | |||
| 320 | 4856024 | Data transceiving modem | |||
| 321 | 4849703 | Method and apparatus for generating a data sampling clock locked to a baud clock contained in a data signal | |||
| 322 | 4823339 | Method and device for protecting modems against echoes | |||
| 323 | 4808937 | Phase-locked loop for a modem | |||
| 324 | 4804931 | Digital amplitude modulator - transmitter | |||
1988 | |||||
| 325 | 4794620 | Radio frequency modem and method | |||
| 326 | 4775988 | Method for rapid gain acquisition in a modem receiver | |||
| 327 | 4740996 | Temperature independent, low level, AM modem receiver | |||
| 328 | 4736389 | Technique for synthesizing the modulation of a time varying waveform with a data signal | |||
1987 | |||||
| 329 | 4703282 | Digital demodulation system | |||
| 330 | 4679243 | Data transmission using a transparent tone-in band system | |||
| 331 | 4665534 | Method of and apparatus for determining time origin of timer for modem | |||
| 332 | 4658405 | Radio communication system | |||
| 333 | 4656630 | Automatic gain control circuit | |||
1986 | |||||
| 334 | 4583232 | Carrier current digital data transceiver | |||
1985 | |||||
| 335 | 4529950 | Digital phase and amplitude modulator | |||
| 336 | 4528519 | Automatic gain control | |||
| 337 | 4510611 | Transceiver circuit for interfacing between a power line communication system and a data processor | |||
1984 | |||||
| 338 | 4461011 | Method and apparatus for converting binary information into a high density single-sideband signal | |||
1983 | |||||
| 339 | 4406009 | Method and apparatus for converting binary information into a single-sideband 3-level correlative signal | |||
1982 | |||||
| 340 | 4355402 | Data modem false equilibrium circuit | |||
| 341 | 4329678 | Method and apparatus for remotely controlling an electrical appliance | |||
| 342 | 4320361 | Amplitude and frequency modulators using a switchable component controlled by data signals | |||
1981 | |||||
| 343 | 4301445 | Communication system and method having wide dynamic range digital gain control | |||
| 344 | 4285062 | Digital multi-level multi-phase modulation communication system | |||
| 345 | 4283790 | Transistorized modulator for pulse radar | |||
| 346 | 4247942 | Jam resistant communication system | |||
1980 | |||||
| 347 | 4201942 | Data conversion system | |||
| 348 | 4184045 | System and method for transmission of information | |||
1978 | |||||
| 349 | 4121296 | Digital signal processing arrangement | |||
| 350 | 4092596 | Data transmission and reception system | |||
| 351 | 4078157 | Method and apparatus for regenerating a modified duobinary signal | |||
| 352 | 4074199 | Vestigial-sideband transmission system for synchronous data signals | |||
1977 | |||||
| 353 | 4039951 | Method and apparatus for digitally controlling an amplitude modulated pulse envelope on an RF signal | |||
| 354 | 4015222 | Modulated passband signal generator | |||
| 355 | 4003002 | Modulation and filtering device | |||
| 356 | 4002982 | Mixed analog/digital transmission system using radio link and method of operating same | |||
1976 | |||||
| 357 | 3983381 | Digital automatic gain control circuit | |||
| 358 | 3959726 | Pilot signal transmission system | |||
| 359 | 3942117 | All saturated switching mode solid state RF amplifier | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||