СПИСОК патентов США - подгруппа МПК16 H04L25/497
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9553745 | High-speed signaling systems with adaptable pre-emphasis and equalization | |||
| 2 | 9544442 | Lingering cancellation for data encoded audio signals | |||
2016 | |||||
| 3 | 9479363 | Partial response receiver and related method | |||
| 4 | 9438320 | Iterative nonlinear precoding and feedback for multi-user multiple-input multiple-output (MU-MIMO) with channel state information (CSI) impairments | |||
| 5 | 9407473 | Partial response receiver | |||
| 6 | 9323560 | Interpreting I/O operation requests from pageable guests without host intervention | |||
| 7 | 9319946 | System for efficient recovery of Node-B buffered data following MAC layer reset | |||
2015 | |||||
| 8 | 9185577 | Transmission apparatus, reception apparatus, wireless communication system, control program and integrated circuit | |||
| 9 | 9166831 | Asymmetric complexity PHYs to reduce power dissipation in point-to-point communication links | |||
| 10 | 9148322 | High-speed signaling systems with adaptable pre-emphasis and equalization | |||
| 11 | 9137063 | High-speed signaling systems with adaptable pre-emphasis and equalization | |||
| 12 | 9100048 | Method and device for transmission and reception in a multi-input and multi-output channel distributing a code word between several mapping matrices, and corresponding computer program | |||
| 13 | 9094238 | High-speed signaling systems with adaptable pre-emphasis and equalization | |||
| 14 | 9086905 | Interpreting I/O operation requests from pageable guests without host intervention | |||
| 15 | 9054907 | Partial response receiver and related method | |||
| 16 | 9054791 | Methods and apparatus for partial interference reduction within wireless networks | |||
2014 | |||||
| 17 | 8831124 | Multi-mode orthogonal frequency division multiplexing transmitter for highly-spectrally-efficient communications | |||
2006 | |||||
| 18 | 7127665 | Trellis code detector and decoder | |||
2005 | |||||
| 19 | 6963618 | Enhanced slice prediction feedback | |||
| 20 | 6959038 | High-speed decoder for a multi-pair gigabit transceiver | |||
| 21 | 6958781 | Mapping arrangement for digital communication system | |||
| 22 | 6947482 | System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system | |||
| 23 | 6944237 | Multi-pair transceiver decoder system with low computation slicer | |||
| 24 | 6934345 | Apparatus, method and system for correlated noise reduction in a trellis coded environment | |||
| 25 | 6934308 | Precoding circuit and precoding-mulitplexing circuit for realizing very high transmission rate in optical fiber communication | |||
| 26 | 6931072 | Upstream data transmission | |||
| 27 | 6928106 | Phy control module for a multi-pair gigabit transceiver | |||
| 28 | 6928018 | Dynamic register with low clock rate testing capability | |||
| 29 | 6927565 | Dynamic register with IDDQ testing capability | |||
| 30 | 6914948 | Media noise post-processor with varying threshold | |||
| 31 | 6904110 | Channel equalization system and method | |||
| 32 | 6879639 | Data transceiver with filtering and precoding | |||
| 33 | 6865234 | Pair-swap independent trellis decoder for a multi-pair gigabit transceiver | |||
2004 | |||||
| 34 | 6823483 | Physical coding sublayer for a multi-pair gigabit transceiver | |||
| 35 | 6807228 | Dynamic regulation of power consumption of a high-speed communication system | |||
| 36 | 6798851 | Decoding for a non-linear codec | |||
| 37 | 6795947 | Parity check outer code and runlength constrained outer code usable with parity bits | |||
| 38 | 6778602 | Multi-pair gigabit ethernet transceiver | |||
| 39 | 6771725 | Multi-pair gigabit ethernet transceiver | |||
| 40 | 6751276 | Method and apparatus for decoding a digital signal | |||
| 41 | 6738419 | Dynamic regulation of power consumption of a high-speed communication system | |||
| 42 | 6737859 | Dynamic register with IDDQ testing capability | |||
| 43 | 6731914 | Determination of transmitter distortion | |||
| 44 | 6731691 | Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements | |||
| 45 | 6721916 | System and method for trellis decoding in a multi-pair transceiver system | |||
| 46 | 6718502 | Precoders for partial response channels | |||
| 47 | 6707848 | Demodulator for a multi-pair gigabit transceiver | |||
| 48 | 6680980 | Supporting ME2PRML and M2EPRML with the same trellis structure | |||
| 49 | 6680978 | Method and apparatus for nonlinear filtering and controlling the peak-to-average ratio | |||
2003 | |||||
| 50 | 6665351 | Circuit and method for providing a digital data signal with pre-distortion | |||
| 51 | 6661727 | Dynamic register with low clock rate testing capability | |||
| 52 | 6654413 | Phase synchronization method for extended partial response, and phase synchronization circuit and read channel circuit using this method | |||
| 53 | 6647070 | Method and apparatus for combating impulse noise in digital communications channels | |||
| 54 | 6636560 | Increased bit rate of telephony modems using controlled intersymbol interface | |||
| 55 | 6618451 | Efficient reduced state maximum likelihood sequence estimator | |||
| 56 | 6608840 | Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link | |||
| 57 | 6595707 | Code conversion circuit for optical duobinary transmission and optical transmitter and receiver using same | |||
| 58 | 6590942 | Least squares phase fit as frequency estimate | |||
| 59 | 6563333 | Dynamic register with IDDQ testing capability | |||
| 60 | 6556633 | Timing recovery for data sampling of a detector | |||
| 61 | 6553085 | Means and method for increasing performance of interference-suppression based receivers | |||
| 62 | 6532272 | RAM-search processor for intersymbol interference cancellation | |||
| 63 | 6522705 | Processor for digital data | |||
| 64 | 6522438 | High-speed optical duobinary modulation scheme | |||
2002 | |||||
| 65 | 6490069 | Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subtraction-based encoder | |||
| 66 | 6477200 | Multi-pair gigabit ethernet transceiver | |||
| 67 | 6477199 | Dynamic regulation of power consumption of a high-speed communication system | |||
| 68 | 6473214 | Methods of and apparatus for optical signal transmission | |||
| 69 | 6459746 | Multi-pair gigabit ethernet transceiver | |||
| 70 | 6456646 | Methods and systems for detecting codewords with intersymbol interference and imperfect timing | |||
| 71 | 6456552 | Dynamic register with low clock rate testing capability | |||
| 72 | 6434200 | TCM revisiting system and method | |||
| 73 | 6424685 | Polar computation of branch metrics for TCM | |||
| 74 | 6411657 | DSL transmitter with digital filtering using a Tomlinson-Harashima precoder | |||
| 75 | 6411117 | Dynamic register with IDDQ testing capability | |||
| 76 | 6408419 | Trellis code for extended partial response maximum likelihood (EPRML) channel | |||
| 77 | 6393029 | Use of modified line encoding and low signal-to-noise auto ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link | |||
| 78 | 6389078 | Configurable circuits for field programmable radio frequency communications equipment and methods therefor | |||
| 79 | 6388786 | Method for generating duobinary signal and optical transmitter using the same method | |||
| 80 | 6385255 | Coding system and method for partial response channels | |||
| 81 | 6385239 | Adaptive equalizing circuit | |||
| 82 | 6381265 | Field programmable modulator-demodulator arrangement for radio frequency communications equipment and method therefor | |||
| 83 | 6377640 | Means and method for a synchronous network communications system | |||
| 84 | 6377635 | Method and apparatus for viterbi detection of generalized partial response signals using partial matched filter and matched filter metrics | |||
| 85 | 6377529 | Method for providing improved equalization for the reading of marks on optical data-storage media | |||
| 86 | 6374035 | Signal processing device | |||
| 87 | 6373906 | Method and apparatus for Viterbi detection of generalized partial response signals including two-way add/compare/select for improved channel speed | |||
| 88 | 6373900 | Multi-pair transceiver decoder system with low computation slicer | |||
| 89 | 6363129 | Timing recovery system for a multi-pair gigabit transceiver | |||
| 90 | 6359897 | Control system for controlling the processing data of a first in first out memory and method therefor | |||
| 91 | 6353640 | Reconfigurable radio frequency communication system | |||
2001 | |||||
| 92 | 6324225 | Timing recovery for data sampling of a detector | |||
| 93 | 6324220 | Stabilized precoder for data transmission | |||
| 94 | 6307905 | Switching noise reduction in a multi-clock domain transceiver | |||
| 95 | 6307893 | System and method for transmit signal spectral shaping | |||
| 96 | 6295316 | Automatic equalization system | |||
| 97 | 6292654 | Digital noise blanker for communications systems and methods therefor | |||
| 98 | 6289487 | Efficient modified viterbi decoder | |||
| 99 | 6289047 | Dynamic regulation of power consumption of a high-speed communication system | |||
| 100 | 6272173 | Efficient fir filter for high-speed communication | |||
| 101 | 6253345 | System and method for trellis decoding in a multi-pair transceiver system | |||
| 102 | 6252904 | High-speed decoder for a multi-pair gigabit transceiver | |||
| 103 | 6249544 | System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system | |||
| 104 | 6226332 | Multi-pair transceiver decoder system with low computation slicer | |||
| 105 | 6212119 | Dynamic register with low clock rate testing capability | |||
| 106 | 6201831 | Demodulator for a multi-pair gigabit transceiver | |||
| 107 | 6188735 | Data decoding apparatus and method utilizing a single channel maximum likelihood decoder | |||
| 108 | 6185261 | Determination of transmitter distortion | |||
| 109 | 6172534 | Gain control arrangement and method | |||
2000 | |||||
| 110 | 6158027 | Enhanced noise-predictive maximum likelihood (NPML) data detection method and apparatus for direct access storage device (DASD) | |||
| 111 | 6151365 | Information detecting apparatus and method | |||
| 112 | 6150964 | M=10 (2,10), D=3.75 runlength limited code for multi-level data | |||
| 113 | 6114879 | Phase detectors | |||
| 114 | 6104766 | Noise predictive maximum likelihood (NPML) detection methods and apparatus based thereon | |||
| 115 | 6091765 | Reconfigurable radio system architecture | |||
| 116 | 6089749 | Byte synchronization system and method using an error correcting code | |||
| 117 | 6078624 | Judging method and a precoding apparatus | |||
| 118 | 6032284 | Trellis coding system for disc storage systems | |||
1999 | |||||
| 119 | 6003147 | Weighted interleaving for correlated channel coding | |||
| 120 | 5999542 | Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link | |||
| 121 | 5995544 | Adaptive equalization for PRIV transmission systems | |||
| 122 | 5982818 | Method for implementing trellis codes for ISI channels | |||
| 123 | 5917855 | Method and apparatus for detecting an original signal from a data storage device | |||
| 124 | 5881363 | Method and apparatus for combatting ingress and multipath in a CATV return channel | |||
| 125 | 5878077 | Apparatus for high-speed simultaneous voice/data communications | |||
1998 | |||||
| 126 | 5854812 | Method of digital transmission of messages using dynamic-range-limited precoding | |||
| 127 | 5852614 | Weighted interleaving for correlated channel coding | |||
| 128 | 5809081 | System and method for encoding data such that after precoding the data has a pre-selected parity structure | |||
| 129 | 5809033 | Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link | |||
1997 | |||||
| 130 | 5696793 | Phase difference detection circuit for extended partial-response class-4 signaling system | |||
| 131 | 5689532 | Reduced complexity EPR4 post-processor for sampled data detection | |||
| 132 | 5671252 | Sampled data read channel utilizing charge-coupled devices | |||
| 133 | 5646698 | Pre-frame-comb as well as "pre-line-comb" partial-response filtering of BPSK buried in a TV signal | |||
| 134 | 5619534 | Method and apparatus for reducing precoding loss when using a post-comb filtering approach to reduce co-channel interference in high definition television transmission | |||
| 135 | 5604769 | Hybrid equalizer arrangement for use in data communications equipment | |||
| 136 | 5602583 | NTSC rejection filter with switched tomlinson precoder for reducing NTSC co-channel interference in ATV receivers | |||
1996 | |||||
| 137 | 5576707 | Method and apparatus for detecting and decoding data in a PRML class-IV digital communication channel | |||
| 138 | 5565926 | Method and apparatus for communicating digital television signals using a signal constellation formed by four signal constellations placed in the quadrants | |||
| 139 | 5563664 | Pre-frame-comb as well as pre-line-comb partial-response filtering of BPSK buried in a TV signal | |||
| 140 | 5561468 | Multiplexed modulation system for robust audio digital television | |||
| 141 | 5559835 | Method and apparatus for encoding data for transfer over a communication channel | |||
| 142 | 5559561 | Coded modulation with shaping gain and tomlinson precoding | |||
| 143 | 5548600 | Method and means for generating and detecting spectrally constrained coded partial response waveforms using a time varying trellis modified by selective output state splitting | |||
| 144 | 5548284 | Information recording and/or reproduction apparatus | |||
| 145 | 5544177 | Viterbi decoding method and viterbi decoding apparatus | |||
| 146 | 5537424 | Matched spectral null codes with partitioned systolic trellis structures | |||
| 147 | 5521945 | Reduced complexity EPR4 post-processor for sampled data detection | |||
| 148 | 5521767 | Optimized equalizer system for data recovery and timing extraction in partial response read channels | |||
| 149 | 5513216 | Hybrid equalizer arrangement for use in data communications equipment | |||
| 150 | 5508752 | Partial response trellis decoder for high definition television (HDTV) system | |||
| 151 | 5502408 | Circuit for decoding 2T encoded binary signals | |||
| 152 | 5488633 | Intersymbol interference channel coding scheme | |||
| 153 | 5486825 | Convolutional encoders for modems which implement the "Cole code" | |||
1995 | |||||
| 154 | 5465273 | Modem utilizing parity and convolutional encoder feedback | |||
| 155 | 5465059 | Method and apparatus for timing acquisition of partial response class IV signaling | |||
| 156 | 5448571 | Method and apparatus for determining byte synchronization within a serial data receiver | |||
| 157 | 5446758 | Device and method for precoding | |||
| 158 | 5440347 | Method and apparatus for randomizing training sequences to minimize interference in digital transmissions | |||
| 159 | 5434886 | Digital communication system | |||
| 160 | 5408500 | Method and apparatus for transmission of local area network signals over a single unshielded twisted pair | |||
| 161 | 5396519 | Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel | |||
| 162 | 5386202 | Data communication modulation with managed intersymbol interference | |||
1994 | |||||
| 163 | 5311547 | Partial-response-channel precoding | |||
| 164 | 5291499 | Method and apparatus for reduced-complexity viterbi-type sequence detectors | |||
| 165 | 5278868 | Receiver for quadraphase modulation signals | |||
1993 | |||||
| 166 | 5271041 | Method and apparatus for QPR carrier recovery | |||
| 167 | 5265125 | Signal detection apparatus for detecting digital information from PCM signal | |||
| 168 | 5257288 | Data transmission system | |||
| 169 | 5257272 | Time-varying modulo N trellis codes for input restricted partial response channels | |||
| 170 | 5249200 | Device and method for combining precoding with symbol-rate spectral shaping | |||
| 171 | 5228061 | Fast maximum likelihood decoder | |||
| 172 | 5214390 | Method and apparatus for partial response demodulation | |||
| 173 | 5195107 | Technique for compensating for intersymbol interference | |||
1992 | |||||
| 174 | 5166955 | Signal detection apparatus for detecting digital information from a PCM signal | |||
| 175 | 5162812 | Technique for achieving the full coding gain of encoded digital signals | |||
| 176 | 5130862 | Coding apparatus for converting digital signals into ternary signals whose DC component is equal to zero | |||
| 177 | 5095497 | Technique for achieving the full coding gain of encoded digital signals | |||
| 178 | 5093843 | Digital communicationn system using partial response and bipolar coding techniques | |||
1991 | |||||
| 179 | 5040191 | Partial response channel signaling systems | |||
| 180 | 5036524 | Binary data signal transmission system | |||
| 181 | 4984099 | Apparatus for decoding a transmitted signal | |||
1990 | |||||
| 182 | 4961206 | Data modem system | |||
1989 | |||||
| 183 | 4890299 | Fast timing acquisition for partial-response signalling | |||
| 184 | 4888779 | Matched spectral null trellis codes for partial response channels | |||
| 185 | 4888775 | Trellis codes for partial response channels | |||
| 186 | 4870414 | Even mark modulation coding method | |||
| 187 | 4860317 | Noise-reduction signal processing arrangement | |||
| 188 | 4860310 | Duobinary encoded signal decoder | |||
| 189 | 4837642 | Threshold tracking system | |||
| 190 | 4805190 | Detector logic circuit for a sychronous transmission system for data comprising ternary symbols and controlled partial response class 1, N=2 type intersymbol interference | |||
1988 | |||||
| 191 | 4788694 | Trellis coding with substrates | |||
| 192 | 4786890 | Method and apparatus for implementing a PRML code | |||
| 193 | 4773082 | RF modem with improved binary transversal filter | |||
| 194 | 4768206 | Data transmission system | |||
| 195 | 4754481 | Expanded partial response processing for analog signal enciphering and the like | |||
| 196 | 4720839 | Efficiency data transmission technique | |||
1987 | |||||
| 197 | 4710891 | Digital synthesis technique for pulses having predetermined time and frequency domain characteristics | |||
| 198 | 4677627 | Error correction scheme | |||
| 199 | 4646305 | High speed data modem using multilevel encoding | |||
| 200 | 4644564 | Decoding the output signal of a partial-response class-IV communication or recording device channel | |||
1986 | |||||
| 201 | 4628474 | Modified duobinary filter using saw technique | |||
| 202 | 4617535 | PSK digital echo modulator with reduced memory capacity required | |||
1985 | |||||
| 203 | 4558454 | Digital partial response filter | |||
| 204 | 4531221 | Premodulation filter for generating a generalized tamed frequency modulated signal | |||
| 205 | 4530094 | Coding for odd error multiplication in digital systems with differential coding | |||
| 206 | 4504872 | Digital maximum likelihood detector for class IV partial response | |||
1984 | |||||
| 207 | 4472813 | Transmission system for intentionally violating a class IV partial response code to distinguish subsidiary signals from an error | |||
| 208 | 4461011 | Method and apparatus for converting binary information into a high density single-sideband signal | |||
| 209 | 4439863 | Partial response system with simplified detection | |||
1983 | |||||
| 210 | 4406009 | Method and apparatus for converting binary information into a single-sideband 3-level correlative signal | |||
| 211 | 4367495 | Method and apparatus for magnetic recording and reproduction of digital signal | |||
1982 | |||||
| 212 | 4351061 | Method of phase synchronization in a synchronous data transmission system, and apparatus for carrying out the method | |||
1979 | |||||
| 213 | 4135057 | High density digital transmission system | |||
1978 | |||||
| 214 | 4123710 | Partial response QAM modem | |||
| 215 | 4123625 | Digital regenerator having improving noise immunity | |||
| 216 | 4118686 | Error correction for signals employing the modified duobinary code | |||
| 217 | 4110691 | Apparatus and method for detecting errors in a 7-level correlative signal | |||
| 218 | 4099023 | Method for the regulation of the phase of a timing signal in a data transmission system | |||
| 219 | 4097687 | Partial response system | |||
| 220 | 4087752 | Digital communications tree searching detection | |||
| 221 | 4086587 | Apparatus and method for generating a high-accuracy 7-level correlative signal | |||
| 222 | 4079202 | Digital communication system | |||
| 223 | 4078159 | Modified duobinary repeatered span line | |||
1977 | |||||
| 224 | 4055727 | Partial response, quadrature amplitude modulation system | |||
| 225 | 4041418 | Equalizer for partial response signals | |||
| 226 | 4013980 | Equalizer for partial response signals | |||
1976 | |||||
| 227 | 3993953 | Apparatus and method for digitally generating a modified duobinary signal | |||
| 228 | 3952329 | Pulse compression recording | |||
| 229 | 3947767 | Multilevel data transmission system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||