СПИСОК патентов США - подгруппа МПК16 H04B14/06
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9602325 | Transmitter and method of transmitting | |||
| 2 | 9602223 | Differential signal transmission | |||
2016 | |||||
| 3 | 9531416 | Radiofrequency signal receiver designed to be installed on a satellite | |||
| 4 | 9461688 | Power efficient communications | |||
| 5 | 9438375 | Method for encoding information object and encoder using the same | |||
| 6 | 9431965 | Selectable-input-impedance radio-frequency reception amplifier | |||
| 7 | 9401829 | Method for generating a filter bank for receiving a signal modulated by continuous phase modulation, and method for receiving said signal | |||
| 8 | 9344108 | Device having a delta-sigma modulator and a switching amplifier connected thereto | |||
| 9 | 9338190 | System and method for managing multimedia communications across convergent networks | |||
| 10 | 9332585 | Non-synchronized ADPCM with discontinuous transmission | |||
| 11 | 9331654 | Dual squelch detectors and methods for low power states | |||
| 12 | 9270419 | Wireless communication device and communication terminal | |||
2015 | |||||
| 13 | 9210430 | Reference picture set signaling and restriction on an electronic device | |||
| 14 | 9191042 | Interference cancellation technique for channel estimation in OFDM receivers | |||
| 15 | 9136813 | Wireless network receiver | |||
| 16 | 9054903 | Signal equalization with compensation for scrambling code correlation | |||
| 17 | 9042462 | Differential signal transmission | |||
| 18 | 9014320 | Interference whitening filters for MIMO maximum likelihood receivers | |||
| 19 | 9014281 | Delta-sigma modulator and transmitter including the same | |||
| 20 | 8964860 | Digital modulator | |||
| 21 | 8948326 | Circuit architecture for I/Q mismatch mitigation in direct conversion receivers | |||
2014 | |||||
| 22 | 8923414 | Systems and methods for adaptive sample quantization | |||
| 23 | 8923391 | Encoding apparatus, control method for encoding apparatus and program | |||
| 24 | 8908778 | Rail-to-rail comparator, pulse amplitude modulation receiver, and communication system using the same | |||
| 25 | 8873645 | Information transmission apparatus | |||
| 26 | 8873644 | Isolated modulator circuit with synchronized pulse generator for self-monitoring reset with capacitively-coupled isolation barrier | |||
| 27 | 8855250 | Wireless communication system with improved automatic gain control | |||
| 28 | 8855215 | Phase/frequency synthesis using periodic sigma-delta modulated bit-stream techniques | |||
| 29 | 8805432 | Mobile communication terminal and transmission power control method of the same | |||
| 30 | 8798164 | System and method for automatic filter generation using sampled sinc function with windowed smoothing | |||
| 31 | 8755447 | Wireless audio equipment using a quadrature modulation system | |||
| 32 | 8737491 | Analog-to-digital converter based decision feedback equalization | |||
| 33 | 8737490 | Analog-to-digital converter based decision feedback equalization | |||
| 34 | 8711720 | Cognitive radio cooperative spectrum sensing method and fusion center performing cognitive radio cooperative spectrum sensing | |||
| 35 | 8705588 | Systems and methods for using code space in spread-spectrum communications | |||
| 36 | 8675728 | Transmitting apparatus and method, and receiving apparatus and method | |||
| 37 | 8675646 | Method for encoding information object and encoder using the same | |||
| 38 | 8670490 | Signal transmission apparatus | |||
| 39 | 8654864 | System and method for selectively performing single-ended and differential signaling | |||
| 40 | 8654377 | Data communication device, communication control method, and program | |||
| 41 | 8644436 | Method and apparatus for enhanced uplink general rake channel estimation | |||
2013 | |||||
| 42 | 8619882 | Data modulation circuit | |||
| 43 | 8594205 | Multiple description coding communication system | |||
| 44 | 8559574 | System and method for adjacent channel power detection and dynamic bandwidth filter control | |||
| 45 | 8559530 | Transmitters providing cycle encoded signals | |||
| 46 | 8521522 | Audio coding/decoding method and apparatus using excess quantization information | |||
| 47 | 8509108 | Apparatus and method for detecting voice period in mobile communication system | |||
| 48 | 8488684 | Methods and systems for hybrid MIMO decoding | |||
| 49 | 8462857 | Method and receiver for decoding digital information | |||
| 50 | 8432977 | Information processing apparatus and signal transmission method | |||
| 51 | 8406314 | Two-dimensional DPCM with PCM escape mode | |||
| 52 | 8391374 | Method and apparatus for selective disregard of Co-channel transmissions on a medium | |||
| 53 | 8379781 | Apparatus and method for adaptive receive signal decoding based on channel variation in communication system | |||
| 54 | 8369467 | Automatic gain control system | |||
2012 | |||||
| 55 | 8340445 | Image encoding device, image encoding method, image encoding/decoding system | |||
| 56 | 8340229 | Method and apparatus for reducing the interferences between a wideband device and a narrowband device interfering with the wideband device | |||
| 57 | 8311131 | Method for interpolating at least two position-dependent, periodic analog signals that are dephased relative each other | |||
| 58 | 8300711 | Adaptive differential pulse code modulation/demodulation system and method | |||
| 59 | 8254508 | Method and apparatus for frequency tracking in a space time transmit diversity receiver | |||
| 60 | 8254503 | Tracking automatic gain control of orthogonal frequency domain multiplexing systems | |||
| 61 | 8238495 | Method and apparatus for reducing the interferences between a wideband device and a narrowband interferer | |||
| 62 | 8223904 | Multiple hypothesis decoding | |||
| 63 | 8208588 | Single-carrier/multi-carrier community receiver and related signal processing method | |||
| 64 | 8194780 | Differential signal output device | |||
| 65 | 8149928 | Receivers for cycle encoded signals | |||
| 66 | 8121182 | High performance equalizer with enhanced DFE having reduced complexity | |||
| 67 | 8111793 | System and method for adjacent channel power detection and dynamic bandwidth filter control | |||
| 68 | 8107751 | DPCM with adaptive range and PCM escape mode | |||
| 69 | 8098743 | Pilot signal transmission method and radio communication system for enabling measurement of reception quality with high accuracy | |||
2011 | |||||
| 70 | 8050332 | System and method for selectively performing single-ended and differential signaling | |||
| 71 | 8036282 | Multi-tiered quantization of channel state information in multiple antenna systems | |||
| 72 | 8031783 | Phase noise shaping using sigma delta modulation in a timing recovery unit | |||
| 73 | 7983347 | Multiple differential transmission system including signal transmitter and signal receiver connected via three signal lines | |||
| 74 | 7965157 | Cancellation of anti-resonance in resonators | |||
| 75 | 7957472 | Enhanced signaling sensitivity using multiple references | |||
| 76 | 7920622 | Digital broadcasting transmitter, turbo stream processing method thereof, and digital broadcasting system having the same | |||
| 77 | 7916801 | Time-domain equalization for discrete multi-tone systems | |||
| 78 | 7894557 | Signal interference measurement | |||
2010 | |||||
| 79 | 7817725 | Data converter device and data conversion method, and transmitter circuit, communications device and electronic device using the same | |||
| 80 | 7809555 | Speech signal classification system and method | |||
| 81 | 7809205 | Image processing method, image processing apparatus, image forming apparatus and recording medium | |||
| 82 | 7809204 | Method and apparatus for encoding and decoding key value data of coordinate interpolator | |||
| 83 | 7804922 | System and method for adjacent channel power detection and dynamic bandwidth filter control | |||
| 84 | 7792385 | Scratch pad for storing intermediate loop filter data | |||
| 85 | 7720160 | Phase noise shaping using sigma delta modulation in a timing recovery unit | |||
| 86 | 7720159 | Receivers for cycle encoded signals | |||
| 87 | 7714873 | Strategies for compressing textures | |||
| 88 | 7671631 | Low voltage differential signal receiving device | |||
| 89 | 7643637 | Efficient code constructions via cryptographic assumptions | |||
2009 | |||||
| 90 | 7636396 | Method of testing remote power line carrier pick-up coil | |||
| 91 | 7630445 | Establishing slot boundaries of slots of a diversity control feedback signal | |||
| 92 | 7561635 | Variable coder apparatus for resonant power conversion and method | |||
| 93 | 7558326 | Method and apparatus for sending auxiliary data on a TMDS-like link | |||
| 94 | 7554953 | Radio communication system | |||
| 95 | 7539244 | Receiver for performing adaptive equalization and method | |||
| 96 | 7522669 | Method and apparatus for selective disregard of co-channel transmissions on a medium | |||
| 97 | 7499674 | Method and system for repeat request in hybrid ultra wideband-bluetooth radio | |||
2008 | |||||
| 98 | 7453942 | Method and unit for substracting quantization noise from a PCM signal | |||
| 99 | 7450648 | Digital signal processing device, a method and a delta-sigma modulator using the same method | |||
| 100 | 7430239 | Bit-detection arrangement and apparatus for reproducing information | |||
| 101 | 7386052 | Automation device using FSK modulation | |||
| 102 | 7376555 | Encoding and decoding of overlapping audio signal values by differential encoding/decoding | |||
| 103 | 7369615 | Soft demodulation method and apparatus | |||
| 104 | 7356085 | Embedded multiple description scalar quantizers for progressive image transmission | |||
| 105 | 7336713 | Method and apparatus for encoding and decoding data | |||
| 106 | 7333547 | Methods and devices for dynamic quantizing input of a soft decision decoder | |||
| 107 | 7330555 | Coding device and method, and recording medium | |||
| 108 | 7315602 | Digital spread spectrum frequency synthesizer | |||
2007 | |||||
| 109 | 7308032 | Oversampling D/A converter and method for shaping nonlinear intersymbol interference in an oversampling D/A converter | |||
| 110 | 7298783 | Method of compressing sounds in mobile terminals | |||
| 111 | 7295617 | ADPCM decoder | |||
| 112 | 7289565 | Multiple description coding communication system | |||
| 113 | 7266152 | Digital signal processing device and digital signal processing method | |||
| 114 | 7257164 | Class D amplifier | |||
| 115 | 7224757 | Method and apparatus for improving the performance of delta-sigma modulators | |||
| 116 | 7221711 | Multilevel data encoding and modulation technique | |||
| 117 | 7194036 | Digital data processing circuits and systems with delta-sigma modulator filtering | |||
| 118 | 7184483 | Technique for emulating differential signaling | |||
| 119 | 7177377 | Avoidance mechanism for co-channel interference in a network | |||
2006 | |||||
| 120 | 7145954 | Method and apparatus for mapping pulses to a non-fixed layout | |||
| 121 | 7145936 | Bandpass delta sigma truncator and method of truncating a multi-bit digital signal | |||
| 122 | 7136420 | Recording of super-audio or like one-bit-per-sample signals on a PCM recorder | |||
| 123 | 7116721 | Delta-sigma modulators with integral digital low-pass filtering | |||
| 124 | 7113118 | Digital signal encoding apparatus and method, digital signal decoding apparatus and method, and digital signal transmission system | |||
| 125 | 7110460 | Delta-sigma modulators with integral digital low-pass filtering | |||
| 126 | 7098828 | Complex band-pass .DELTA..SIGMA. AD modulator for use in AD converter circuit | |||
| 127 | 7088779 | Method and apparatus for reducing the word length of a digital input signal and method and apparatus for recovering a digital input signal | |||
| 128 | 7075995 | Three-order sigma-delta modulator | |||
| 129 | 7065142 | ADSL encoder and decoder | |||
| 130 | 7054372 | Digital transmission line tap circuit | |||
| 131 | 7034728 | Bandpass delta-sigma modulator with distributed feedforward paths | |||
| 132 | 7034727 | Bandpass sigma-delta modulator | |||
| 133 | 7031395 | Apparatus and methods for digital-to-analog conversion | |||
| 134 | 7023938 | Receiver for discrete multitone modulated signals having window function | |||
| 135 | 7020208 | Differential clock signals encoded with data | |||
| 136 | 7016421 | Time-interleaved delta sigma analog to digital modulator | |||
| 137 | 6999516 | Technique for emulating differential signaling | |||
| 138 | 6990152 | Digital signal processing device and a method and a .DELTA.-.sigma. sigma modulator using the same method | |||
| 139 | 6985532 | Ultra wideband (UWB) transmitter architecture | |||
| 140 | 6985531 | Dual domain differential encoder/decoder | |||
2005 | |||||
| 141 | 6944212 | Method and apparatus for the spectrally efficient encoding and decoding of discrete data into and from analog waveforms | |||
| 142 | 6914940 | Device for improving voice signal in quality | |||
| 143 | 6876698 | Tunable narrow-band filter including sigma-delta modulator | |||
| 144 | 6865230 | Filter system with reduced switch thermal noise and a .SIGMA..DELTA. modulator using such a filter | |||
| 145 | 6853633 | Methods of providing signal parameter information using delta-modulation and related systems and terminals | |||
| 146 | 6839387 | Self-dithering sigma-delta converter and communication device incorporating same | |||
2004 | |||||
| 147 | 6823019 | Reduced DC transients in a sigma delta filter | |||
| 148 | 6823018 | Multiple description coding communication system | |||
| 149 | 6819275 | Audio signal compression | |||
| 150 | 6775297 | Computer-based conversion of digital signals | |||
| 151 | 6738428 | Apparatus and methods for decoding a predictively encoded signal and removing granular noise | |||
| 152 | 6683548 | Analog isolation system with digital communication across a capacitive barrier | |||
2003 | |||||
| 153 | 6639946 | Sigma delta modulator with SAW filter | |||
| 154 | 6636567 | Method of specifying non-allowable pulse characteristics | |||
| 155 | 6636566 | Method and apparatus for specifying pulse characteristics using a code that satisfies predefined criteria | |||
| 156 | 6600788 | Narrow-band filter including sigma-delta modulator implemented in a programmable logic device | |||
| 157 | 6574281 | Voice recording and playback mode using the G.726 half-rate within the personal handy phone system | |||
| 158 | 6570513 | Isolation system with digital communication across a capacitive barrier | |||
| 159 | 6549580 | Subset averaged median predictor for differential pulse code modulation | |||
| 160 | 6539061 | Efficient method for decompressing difference coded signals | |||
2002 | |||||
| 161 | 6489908 | Wireless local loop terminal and system having high speed, high resolution, digital-to-analog converter with off-line sigma-delta conversion and storage | |||
| 162 | 6473497 | Digital telephone set | |||
| 163 | 6400294 | Method of muting a digital signal and a digital signal recording apparatus and a digital signal processing apparatus employing the digital signal muting method | |||
| 164 | 6396877 | Method and apparatus for combining serial data with a clock signal | |||
| 165 | 6369728 | Method and system for real-time processing of the recorded PCM data to get the desired full-scale range of values | |||
| 166 | 6341165 | Coding and decoding of audio signals by using intensity stereo and prediction processes | |||
2001 | |||||
| 167 | 6297755 | Analog isolation system with digital communication across a capacitive barrier | |||
| 168 | 6256354 | Voice recording and playback mode using the G.726 half-rate within the personal handy phone system | |||
| 169 | 6225927 | Analog isolation system with digital communication across a capacitive barrier | |||
2000 | |||||
| 170 | 6157324 | Analog to digital voice transmitter | |||
| 171 | 6108808 | Apparatus and method for decoding received signals and localization of errors therein by comparison with aberrant data values | |||
| 172 | 6107948 | Analog isolation system with digital communication across a capacitive barrier | |||
| 173 | 6078620 | Method and apparatus for performing adaptive differential pulse code modulation | |||
| 174 | 6031475 | Method and device of information transfer between circuits that exchange data via converters | |||
1999 | |||||
| 175 | 5982817 | Transmission system utilizing different coding principles | |||
| 176 | 5974089 | Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor | |||
| 177 | 5925146 | Reception data expander having noise reduced in generation of reception data error | |||
| 178 | 5920577 | Digital signal processing method and apparatus | |||
| 179 | 5870435 | Quantization/inverse quantization unit selectably accommodating multiple video encoding standards and including differential pulse code modulator | |||
1998 | |||||
| 180 | 5844513 | Method and apparatus for transmitting sigma delta modulated audio signals | |||
| 181 | 5839100 | Lossless and loss-limited compression of sampled data signals | |||
| 182 | 5815530 | Data converters for sound equipment | |||
| 183 | 5815207 | Differential coding and decoding method and related circuits | |||
| 184 | 5802108 | Waveform correction apparatus | |||
| 185 | 5799039 | Method and apparatus for error mitigating a received communication signal | |||
| 186 | 5745524 | Self-initialized coder and method thereof | |||
| 187 | 5732356 | Method and an arrangement for sound reconstruction during erasures | |||
| 188 | 5715366 | Method for the coded transmission of voice signals | |||
| 189 | 5712838 | Method and apparatus for recording on a disk medium a .SIGMA..DELTA.-modulated signal with a sampling frequency n.times.44.1 kHz | |||
| 190 | 5706308 | Signal processing apparatus and method for sigma-delta modulated signals including gain adjustment | |||
1997 | |||||
| 191 | 5696791 | Apparatus and method for decoding a sequence of digitally encoded data | |||
| 192 | 5687189 | Method of noise reduction for an ADPCM signal | |||
| 193 | 5673206 | Real-time digital audio compression/decompression system | |||
| 194 | 5654990 | Real-time digital audio compression/decompression system | |||
| 195 | 5621851 | Method of expanding differential PCM data of speech signals | |||
| 196 | 5621760 | Speech coding transmission system and coder and decoder therefor | |||
| 197 | 5594912 | Digital signal processing device with optimized ALU circuit and logic block for controlling one of two registers based on the contents of the multiplication register | |||
1996 | |||||
| 198 | 5574453 | Digital audio recording apparatus | |||
| 199 | 5561688 | Real-time digital audio compression/decompression system | |||
| 200 | 5559832 | Method and apparatus for maintaining convergence within an ADPCM communication system during discontinuous transmission | |||
| 201 | 5555546 | Apparatus for decoding a DPCM encoded signal | |||
| 202 | 5550837 | Adaptive differential pulse code modulation system with transmission error compensation | |||
| 203 | 5537440 | Efficient transcoding device and method | |||
| 204 | 5524024 | ADPCM synthesizer without look-up table | |||
| 205 | 5511095 | Audio signal coding and decoding device | |||
| 206 | 5504835 | Voice reproducing device | |||
1995 | |||||
| 207 | 5469475 | Transmitter comprising an eletronic arrangement for generating a modulated carrier signal | |||
| 208 | 5467372 | Multi channel ADPCM compression and expansion device | |||
| 209 | 5408583 | Sound outputting devices using digital displacement data for a PWM sound signal | |||
| 210 | 5396238 | Data compressing and expanding apparatus for tone generation | |||
| 211 | 5384807 | ADPCM transcoder with integral tone generation and method therefor | |||
| 212 | 5379355 | Data encoding using one or more adaptive decision trees | |||
1994 | |||||
| 213 | 5334977 | ADPCM transcoder wherein different bit numbers are used in code conversion | |||
| 214 | 5323154 | Data compressing and expanding apparatus | |||
| 215 | 5319573 | Method and apparatus for noise burst detection in a signal processor | |||
| 216 | 5317522 | Method and apparatus for noise burst detection in a signal processor | |||
| 217 | 5309443 | Dynamic muting method for ADPCM coded speech | |||
| 218 | 5291484 | Relay and exchange system for time division multiplex data | |||
1993 | |||||
| 219 | 5265126 | Voice recording and reproducing apparatus having perpendicular carrier modulation | |||
| 220 | 5253269 | Delta-coded lag information for use in a speech coder | |||
1992 | |||||
| 221 | 5166958 | Coding apparatus with low-frequency and DC suppression | |||
| 222 | 5166954 | Adaptive system for measuring the broadband signal-to-noise ratio of a transmission channel | |||
| 223 | 5157343 | Electronic arrangement for receiving a modulated carrier signal | |||
| 224 | 5155743 | Digital data converter | |||
1991 | |||||
| 225 | 4990914 | Method and apparatus for interpolative A/D conversion | |||
1990 | |||||
| 226 | 4955037 | Apparatus and methods for recovering alignment from a non-ideally encoded multi-bit digital signal | |||
| 227 | 4951052 | Correction of systematic error in an oversampled analog-to-digital converter | |||
| 228 | 4944012 | Speech analyzing and synthesizing apparatus utilizing differential value-based variable code length coding and compression of soundless portions | |||
| 229 | 4930126 | Time division multiplex system suited for burst analog transmission | |||
| 230 | 4912765 | Voice band data rate detector | |||
| 231 | 4899350 | Signal communication capable of avoiding an audible reproduction of a sequence of information signals | |||
| 232 | 4897856 | Offset correction circuit for a sigma-delta coding device | |||
1989 | |||||
| 233 | 4875222 | Information signal transmission system by predictive differential coding | |||
| 234 | 4860312 | Quality improvement for a digitally transmitted information signal | |||
| 235 | 4857928 | Method and arrangement for a sigma delta converter for bandpass signals | |||
| 236 | 4839923 | Method and apparatus for time companding an analog signal | |||
| 237 | 4839897 | Fault detecting system for ADPCM codec | |||
| 238 | 4831636 | Coding transmission equipment for carrying out coding with adaptive quantization | |||
1988 | |||||
| 239 | 4788692 | Adaptive differential pulse code modulation system | |||
| 240 | 4774496 | Digital encoder and decoder synchronization in the presence of data dropouts | |||
| 241 | 4768203 | Signal-to-noise ratio testing in adaptive differential pulse code modulation | |||
| 242 | 4759038 | PCM transmission system | |||
| 243 | 4733219 | Converter circuit | |||
1987 | |||||
| 244 | 4710957 | Data detection by statistical analysis | |||
| 245 | 4700360 | Extrema coding digitizing signal processing method and apparatus | |||
| 246 | 4686625 | Method and apparatus for generating a display of well logging measurements | |||
| 247 | 4656633 | Error concealment system | |||
1986 | |||||
| 248 | 4630007 | Delta modulated signal sampling rate converter using digital means | |||
| 249 | 4617676 | Predictive communication system filtering arrangement | |||
| 250 | 4588981 | Double integration, delta-sigma, analog-digital coder | |||
| 251 | 4581746 | Technique for insertion of digital data bursts into an adaptively encoded information bit stream | |||
| 252 | 4569058 | Transmission system | |||
| 253 | 4567883 | Data compression of ECG data using delta modulation | |||
1985 | |||||
| 254 | 4554671 | Delta modulated communication system | |||
| 255 | 4549304 | ADPCM Encoder/decoder with signalling bit insertion | |||
| 256 | 4542516 | ADPCM Encoder/decoder with zero code suppression | |||
| 257 | 4541101 | Process and device for voice interpolation in a transmission system for digitized voice | |||
| 258 | 4528551 | Digital to analog converter employing sigma-delta modulation for use in telephone systems | |||
| 259 | 4519085 | Differential data coding and decoding process and system restricting propagation of transmission errors | |||
| 260 | 4516241 | Bit compression coding with embedded signaling | |||
| 261 | 4509150 | Linear prediction coding for compressing of seismic data | |||
1984 | |||||
| 262 | 4466440 | Heart pacer time-domain processing of internal physiological signals | |||
| 263 | 4449190 | Silence editing speech processor | |||
| 264 | 4439756 | Delta-Sigma modulator with switch capacitor implementation | |||
| 265 | 4438523 | Differential digital modulation and demodulation system with an analog signal-dependent sampling clock | |||
| 266 | 4437087 | Adaptive differential PCM coding | |||
1982 | |||||
| 267 | 4363127 | Line signaling apparatus and techniques for digital data links | |||
| 268 | 4360713 | Echo detector particularly for speech interpolation communication systems | |||
| 269 | 4319082 | Adaptive prediction differential-PCM transmission method and circuit using filtering by sub-bands and spectral analysis | |||
| 270 | 4314370 | Wireless intercommunication system | |||
| 271 | 4314105 | Delta modulation method and system for signal compression | |||
1981 | |||||
| 272 | 4301446 | Digital transmission system with a double analog integrator Delta Sigma coder and a double digital integrator Delta Sigma decoder | |||
| 273 | 4276649 | Receiver for digital signals in line code | |||
| 274 | 4270027 | Telephone subscriber line unit with sigma-delta digital to analog converter | |||
1980 | |||||
| 275 | 4225963 | Arrangement for processing a delta modulation signal, in particular for decoding these signals | |||
| 276 | 4215311 | Adaptive delta-modulation system | |||
| 277 | 4184150 | Circuit arrangement for halving the sampling rate of a delta modulation signal | |||
1979 | |||||
| 278 | 4179659 | Signal transmission system | |||
| 279 | 4174502 | Delta modulated digital signal detector | |||
| 280 | 4142066 | Suppression of idle channel noise in delta modulation systems | |||
1978 | |||||
| 281 | 4122300 | Data transmission system and application thereof to the transmission of analog signals and of data in a network with delta modulation | |||
1977 | |||||
| 282 | 4059800 | Digital multi-line companded delta modulator | |||
| 283 | 4039948 | Multi-channel differential pulse code modulation system | |||
| 284 | 4008378 | Multi-radix digital communications system with time-frequency and phase-shift multiplexing | |||
1976 | |||||
| 285 | 3979676 | Delta modulation apparatus | |||
| 286 | 3962636 | Device for converting an incoming analog signal into an outgoing PCM signal | |||
| 287 | 3949299 | Signal coding for telephone communication system | |||
| 288 | 3949298 | Time shared delta modulation system | |||
| 289 | 3937897 | Signal coding for telephone communication system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||