СПИСОК патентов США - подгруппа МПК16 H04B3/14
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9602318 | Closed-loop high-speed channel equalizer adaptation | |||
2016 | |||||
| 2 | 9484878 | Equalization of frequency-dependent gain | |||
| 3 | 9445160 | Legacy converter filter with extended frequency range | |||
| 4 | 9432230 | Passive equalizer capable of use in a receiver | |||
| 5 | 9419680 | Passive equalizer | |||
| 6 | 9413567 | Systems and methods for finite impulse response adaptation for gain and phase control | |||
| 7 | 9401688 | Passive equalizer | |||
| 8 | 9369108 | Correction of the passband of an air gap transformer | |||
| 9 | 9344145 | Method for transceiving signal based on information from equalizer of receiving unit and method for training equalizer | |||
| 10 | 9288019 | Apparatuses, methods, and systems for jitter equalization and phase error detection | |||
| 11 | 9277651 | Differential passive equalizer | |||
| 12 | 9264102 | Trace canceller with equalizer adjusted for trace length driving variable-gain amplifier with automatic gain control loop | |||
2015 | |||||
| 13 | 9136904 | High bandwidth equalizer and limiting amplifier | |||
| 14 | 9130792 | Closed-loop high-speed channel equalizer adaptation | |||
| 15 | 9118511 | Reflective analog finite impulse response filter | |||
| 16 | 9106464 | Trace canceller with equalizer adjusted for trace length driving variable-gain amplifier with automatic gain control loop | |||
| 17 | 9094240 | Passive equalizer and high-speed digital signal transmission system using the same | |||
| 18 | 9054786 | System and method for applying multi-tone OFDM based communications within a prescribed frequency range | |||
2014 | |||||
| 19 | 8902017 | Equalizer and communication system | |||
| 20 | 8878630 | Common-mode noise suppression filter | |||
| 21 | 8872597 | Equalizer for loss-compensation of high-frequency signals generated in transmission channels | |||
| 22 | 8860528 | Equalizer for loss-compensation of high-frequency signals generated in transmission channels | |||
| 23 | 8779847 | Systems and methods for finite impulse response adaptation for gain and phase control | |||
| 24 | 8766740 | Equalizer for loss-compensation of high-frequency signals generated in transmission channels | |||
| 25 | 8760238 | Equalizer for loss-compensation of high-frequency signals generated in transmission channels | |||
| 26 | 8699555 | Adaptive equalizer | |||
| 27 | 8680938 | Apparatus and method for equalization | |||
| 28 | 8680937 | Differential equalizers with source degeneration and feedback circuits | |||
2013 | |||||
| 29 | 8508311 | Transmission line and electrical apparatus using the same | |||
| 30 | 8482359 | Equalization apparatus | |||
2012 | |||||
| 31 | 8324982 | Integrated front-end passive equalizer and method thereof | |||
| 32 | 8306101 | Equalizer system | |||
| 33 | 8138851 | High bandwidth programmable transmission line equalizer | |||
| 34 | 8115566 | Integrated front-end passive equalizer and method thereof | |||
2011 | |||||
| 35 | 7924113 | Integrated front-end passive equalizer and method thereof | |||
2010 | |||||
| 36 | 7737802 | Passive equalizer with negative impedance to increase a gain | |||
| 37 | 7696839 | Signal waveform equalizer circuit and receiver circuit | |||
| 38 | 7696838 | Equalizing filter circuit | |||
| 39 | 7683732 | Continuously adjustable equalizer | |||
| 40 | 7657039 | Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same | |||
2009 | |||||
| 41 | 7616684 | Receiver with decision-directed equalizer | |||
| 42 | 7504906 | Method for manufacturing an equalizer | |||
2008 | |||||
| 43 | 7394331 | Programmable passive equalizer | |||
| 44 | 7382826 | Method and apparatus for the control of a decision feedback equalizer | |||
| 45 | 7356077 | Method and apparatus for testing network integrity | |||
| 46 | 7324167 | High-quality twisted-pair transmission line system for high-resolution video | |||
2007 | |||||
| 47 | 7312833 | Channel equalizing apparatus and method for digital television receiver | |||
| 48 | 7274736 | Multiple path equalization for multicarrier systems | |||
| 49 | 7269215 | Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic | |||
| 50 | 7184475 | Adjustment for equalization parameters in receivers | |||
| 51 | 7173965 | Equalizing a signal for transmission | |||
| 52 | 7164711 | Programmable receive-side channel equalizer | |||
2006 | |||||
| 53 | 7103112 | Transmit frequency domain equalizer | |||
| 54 | 7039567 | System identification method | |||
2005 | |||||
| 55 | 6930567 | Transmission system | |||
| 56 | 6917257 | Apparatus and method for equalizing received signals | |||
| 57 | 6914981 | Communication device | |||
| 58 | 6862316 | Spatial and temporal equalizer and equalization method | |||
2004 | |||||
| 59 | 6788169 | Amplifier composite triple beat (CTB) reduction by phase filtering | |||
| 60 | 6754338 | Bidirectional loss/slope equalizer arrangement | |||
2003 | |||||
| 61 | 6658119 | Audio signal cable with passive network | |||
| 62 | 6646519 | RF equalizer | |||
| 63 | 6621346 | Impedance matching for programmable gain amplifiers | |||
| 64 | 6617939 | Cable connector assembly with an equalization circuit board | |||
| 65 | 6606013 | Equalizing device for cable distribution network | |||
| 66 | 6574576 | Equalizer with auto-calibration and self-test | |||
| 67 | 6549087 | Variable equalizer with independently controlled branches based on different frequency breakpoints | |||
| 68 | 6545622 | Low power analog equalizer with current mode digital to analog converter | |||
| 69 | 6531931 | Circuit and method for equalization of signals received over a communication system transmission line | |||
2002 | |||||
| 70 | 6496081 | Transmission equalization system and an integrated circuit package employing the same | |||
| 71 | 6492876 | Low power analog equalizer with variable op-amp gain | |||
| 72 | 6489838 | Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance | |||
2001 | |||||
| 73 | 6304599 | Adaptive equalizer and adaptive equalization scheme | |||
| 74 | 6259302 | Gain control signal generator that tracks operating variations due to variations in manufacturing processes and operating conditions by tracking variations in DC biasing | |||
| 75 | 6240131 | Digitally controlled transmission line equalizer | |||
| 76 | 6239667 | Attenuation equalizer for transmission lines | |||
| 77 | 6226322 | Analog receive equalizer for digital-subscriber-line communications system | |||
2000 | |||||
| 78 | 6150875 | Apparatus and method for equalizing received network signals using a transconductance controlled single zero single pole filter | |||
| 79 | 6130488 | Switching filter producing a low impedance control input on a high impedance input line for discriminating false control signals | |||
| 80 | 6114922 | Transconductance compensation for process variation in equalizers | |||
| 81 | 6107896 | Linear attenuation equalizer and method for designing same | |||
| 82 | 6104236 | Apparatus and method for equalizing received network signals using a transconductance controlled biquadratic equalizer | |||
| 83 | 6097767 | Apparatus and method for determining an optimum equalizer setting for a signal equalizer in a communication network receiver | |||
1999 | |||||
| 84 | 5978417 | Adaptive cable equalizer | |||
| 85 | 5933072 | Current level control for TWACS inbound communications | |||
1998 | |||||
| 86 | 5841810 | Multiple stage adaptive equalizer | |||
| 87 | 5828700 | Adaptive equalizer circuit | |||
| 88 | 5819159 | Method for asymmetrically attenuating signals in a transmission system | |||
| 89 | 5805031 | Transistor ratio controlled CMOS transmission line equalizer | |||
| 90 | 5796778 | Receiver circuit having adaptive equalizer with characteristics determined by signal envelope measurement and method therefor | |||
| 91 | 5793264 | LAN equalizer | |||
| 92 | 5789993 | Amplitude/frequency correcting device and corresponding frequency equalizer | |||
| 93 | 5742713 | Methods and filter for isolating upstream ingress noise in a bi-directional cable system | |||
| 94 | 5708703 | Wide range equalizer with line length detection | |||
1997 | |||||
| 95 | 5699022 | Adaptive cable equalizer | |||
| 96 | 5694422 | Fixed equalizer and equalizing method | |||
1996 | |||||
| 97 | 5555285 | Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method) | |||
| 98 | 5517527 | Adaptive equalizer for ISDN U-interface transceiver | |||
| 99 | 5506549 | Cable equalizer | |||
1995 | |||||
| 100 | 5455843 | Adaptive equalizing apparatus and method for token ring transmission systems using unshielded twisted pair cables | |||
| 101 | 5442328 | Transmission line correction system | |||
| 102 | 5420884 | Automatic equalizer | |||
1994 | |||||
| 103 | 5337025 | Adaptive equalization circuit for equalizing the frequency response of varying lengths of transmission line | |||
| 104 | 5323423 | Receive side pulse width controlled adaptive equalizer | |||
| 105 | 5311155 | Method and apparatus for imparting a linear frequency response to a signal | |||
1993 | |||||
| 106 | 5257286 | High frequency receive equalizer | |||
| 107 | 5226060 | Modem receiver with nonlinear equalization | |||
| 108 | 5226059 | DSP line equalizer | |||
| 109 | 5181228 | System and method for phase equalization | |||
1992 | |||||
| 110 | 5124673 | Level independent automatic cable equalizer | |||
| 111 | 5123052 | Method and apparatus for reducing the attenuation and phase shift of low frequency components of audio signals | |||
| 112 | 5121088 | Frequency response equalizer | |||
| 113 | 5115213 | Frequency equalizer | |||
1991 | |||||
| 114 | 5048055 | Multi-data rate selectable equalizer | |||
| 115 | 4996497 | Cable compensation circuit | |||
1990 | |||||
| 116 | 4975663 | Frequency equalizer | |||
| 117 | 4945311 | Electronically variable equalizer | |||
| 118 | 4899365 | Apparatus and method for adaptive amplitude equalization | |||
1989 | |||||
| 119 | 4888560 | Gain-variable amplifier circuit | |||
| 120 | 4887278 | Equalizer for digital transmission systems | |||
| 121 | 4870658 | Amplitude equalizer | |||
| 122 | 4862103 | Variable equalization system | |||
| 123 | 4797898 | Method and apparatus for equalization of data transmission system | |||
1988 | |||||
| 124 | 4764938 | Circuit and method for correcting distortion in a digital audio system | |||
| 125 | 4745622 | Equalizer for digital transmission systems | |||
| 126 | 4743869 | Constant resistance loss/slope filter circuit | |||
| 127 | 4730342 | Equalizer circuit for use in communication unit | |||
| 128 | 4730341 | Equalizer and equalizing circuit using the same | |||
1987 | |||||
| 129 | 4663583 | Automatically variable phase characteristic all-pass circuit | |||
1986 | |||||
| 130 | 4633200 | Voltage controlled equalizer | |||
| 131 | 4605822 | Active equalization circuit | |||
| 132 | 4574253 | Broadband control amplifier | |||
1985 | |||||
| 133 | 4559503 | Amplifier for correcting group time delay of electrical signals and an intermediate frequency amplifier stage for radio equipment comprising an amplifier of this kind | |||
| 134 | 4555788 | Multiple rate baseband receiver | |||
| 135 | 4553248 | Analog adaptive magnitude equalizer | |||
| 136 | 4547889 | Auto-orthogonalizing system of equalization adapted to a range of discrete frequencies and equalizer which activates the system | |||
| 137 | 4524422 | Digital equalizer capable of varying the center frequency, quality factor, and gain to perform various frequency characteristics | |||
| 138 | 4524337 | Variable amplitude delay equalizer | |||
| 139 | 4506237 | Adjustable slope equalizer | |||
| 140 | 4500999 | Line equalizer | |||
| 141 | 4494082 | Switched-capacitor variable equalizer | |||
1984 | |||||
| 142 | 4490693 | I.F. Delay equalizer for a UHF tv transmitter | |||
| 143 | 4490692 | Reverse equalization network | |||
| 144 | 4453143 | Switched-capacitor variable equalizer | |||
| 145 | 4441192 | Signal processing system having impulse response detecting circuit | |||
| 146 | 4438409 | Active equalizer | |||
| 147 | 4430744 | Adaptive IF equalizer for digital transmission | |||
1983 | |||||
| 148 | 4415872 | Adaptive equalizer | |||
| 149 | 4413240 | Automatic line buildout circuit for digital data transmission | |||
| 150 | 4395688 | Linear phase filter with self-equalized group delay | |||
| 151 | 4378535 | Adaptive equalizer for short distance metallic circuits | |||
| 152 | 4367415 | Pulse generator circuit | |||
1982 | |||||
| 153 | 4359778 | Channel equalizer and method for cancelling ghosts | |||
| 154 | 4356460 | Split phase delay equalizer with reduced insertion loss | |||
| 155 | 4354160 | Amplitude equalizer | |||
| 156 | 4352075 | Split phase delay equalizer with single transformer and adjustment for Q loss | |||
| 157 | 4345222 | Split phase delay equalizer with stray reactance compensation | |||
| 158 | 4336501 | Frequency characteristic adjusting circuit | |||
| 159 | 4333063 | Amplitude equalizer | |||
| 160 | 4329655 | Adaptive equalization system for nonlinearities | |||
| 161 | 4320348 | Variable level converter | |||
| 162 | 4315319 | Non-linear signal processor | |||
| 163 | 4314288 | Amplitude and phase equalizer | |||
1981 | |||||
| 164 | 4306306 | Amplitude tilt and notch compensation apparatus | |||
| 165 | 4293952 | Sampling function type equalizer | |||
| 166 | 4275358 | Frequency sensitive amplitude equalization circuit | |||
| 167 | 4273963 | Automatic equalization for digital transmission systems | |||
| 168 | 4272738 | Programmable delay response shape bulk delay extender | |||
| 169 | 4266204 | Delay line signal equalizer for magnetic recording signal detection circuits | |||
| 170 | 4262263 | Variable equalizer | |||
| 171 | 4258340 | Amplitude equalizer | |||
| 172 | 4251886 | Transmission system for the transmission of data pulses | |||
| 173 | 4251783 | Variable resonance type amplitude equalizing circuit | |||
| 174 | 4250472 | Undesired signal canceller | |||
| 175 | 4250459 | Circuit arrangement for automatic distortion correction of a signal | |||
| 176 | 4243957 | Universal equalizer | |||
1980 | |||||
| 177 | 4242650 | Active variable equalizer | |||
| 178 | 4241320 | Circuit arrangement for establishing weighting coefficients in an analog-type adaptive equalizer | |||
| 179 | 4229716 | Amplitude equalizer circuit | |||
| 180 | 4228409 | Transmission arrangement having an adjustable network | |||
| 181 | 4225834 | Equalizing network having a plurality of frequency sensitive attenuation branches in a negative feedback arrangement | |||
| 182 | 4225832 | Self-adapting equalizer | |||
| 183 | 4219788 | Active variable equalizer | |||
| 184 | 4217562 | Equalizer networks providing a bump shaped response | |||
| 185 | 4208640 | Attenuation equalizer for correcting a temperature and frequency-dependent cable attenuation | |||
| 186 | 4207624 | Frequency domain adaptive filter for detection of sonar signals | |||
| 187 | 4204176 | Variable equalizer | |||
| 188 | 4199668 | Circuit arrangement for signal equalization in wide-band transmission system | |||
| 189 | 4197514 | Microwave delay equalizer comprising a pair of distributed-constant_ elements as a directional coupler | |||
| 190 | 4187479 | Variable equalizer | |||
1979 | |||||
| 191 | 4151524 | Multipath communications system | |||
| 192 | 4151490 | Automatic cable equalizer circuit | |||
| 193 | 4141072 | Frequency domain automatic equalizer using minimum mean square error correction criteria | |||
| 194 | 4140983 | Method for automatically equalizing the delay characteristics of a transmission line | |||
| 195 | 4139829 | Method for adjusting a band division type equalizer | |||
1978 | |||||
| 196 | 4125899 | Bessel function type automatic delay equalizer | |||
| 197 | 4122417 | Variable equalizer | |||
| 198 | 4118672 | Attenuation equalizer having constant resistance | |||
| 199 | 4106103 | Derivation of discrete Fourier transform components of a time dependent signal | |||
| 200 | 4103247 | Variable gain amplifiers | |||
| 201 | 4101851 | Variable equalizer | |||
| 202 | 4100604 | Frequency domain automatic equalizer utilizing the discrete Fourier transform | |||
| 203 | 4100515 | Communication circuit having precision capacitor multiplier | |||
| 204 | 4097824 | Variable equalizer | |||
| 205 | 4097806 | Adaptive equalizer with improved distortion analysis | |||
| 206 | 4080580 | Variable equalizer | |||
| 207 | 4078157 | Method and apparatus for regenerating a modified duobinary signal | |||
| 208 | 4071782 | Phaseless equalizer | |||
1977 | |||||
| 209 | 4063187 | Equalizer circuit | |||
| 210 | 4063183 | Adaptive equalizer with improved distortion analysis | |||
| 211 | 4057771 | Frequency-response corrective network | |||
| 212 | 4042893 | Method and apparatus for improving transmission line characteristics | |||
| 213 | 4039977 | Adjustable compensating circuit having differential capacitor in each tunable stage | |||
| 214 | 4035747 | Adjustable attenuation equalizer | |||
| 215 | 4032866 | Low loss frequency response corrective network | |||
| 216 | 4028644 | System equalization for repeatered submarine cable system | |||
| 217 | 4027259 | Line equalizer with differentially controlled complementary constant resistance networks | |||
| 218 | 4027257 | Frequency domain automatic equalizer having logic circuitry | |||
| 219 | 4013981 | Constant-resistance coupled-line type equalizer | |||
| 220 | 4012704 | Active amplitude equalizers | |||
| 221 | 4004253 | Variable equalizer | |||
| 222 | 4003006 | Pilot tone controlled adaptive amplitude equalizer | |||
1976 | |||||
| 223 | 3997841 | Time domain equalizer for broadband communication systems | |||
| 224 | 3990022 | System for automatic equalization | |||
| 225 | 3979677 | System for automatic equalization | |||
| 226 | 3974448 | Use of equalizers in satellite communication transmission systems | |||
| 227 | 3967220 | Variable delay equalizer | |||
| 228 | 3949206 | Filtering device | |||
| 229 | 3943468 | Amplitude equalizer using mixing for error detection | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||