СПИСОК патентов США - подгруппа МПК16 H04B3/04
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9595935 | Active notch filter | |||
| 2 | 9590666 | Transmit noise and impedance change mitigation in wired communication system | |||
| 3 | 9568888 | Interface for actuating a device | |||
| 4 | 9544015 | Multilevel driver for high speed chip-to-chip communications | |||
2016 | |||||
| 5 | 9473203 | Signal select in underground line location | |||
| 6 | 9432169 | Systems and methods for power optimized framing | |||
| 7 | 9419824 | Digital transmitter | |||
| 8 | 9419679 | Cable for transmitting signal | |||
| 9 | 9401688 | Passive equalizer | |||
| 10 | 9344300 | Apparatus and methods for variable peaking and low pass filtering equalization | |||
| 11 | 9319100 | Delay compensation for variable cable length | |||
| 12 | 9313056 | System aware transmitter adaptation for high speed serial interfaces | |||
| 13 | 9312832 | High power filter with single adjust for multiple channels | |||
| 14 | 9300357 | Signal splitter | |||
| 15 | 9287927 | Cable assembly and signal transmission system using the same | |||
| 16 | 9281978 | Energy efficient highway addressable remote transducer soft modem | |||
| 17 | 9281809 | Nonlinear transmission line extraction systems | |||
| 18 | 9252987 | Transmission apparatus and communication system | |||
| 19 | 9231560 | Phased-array RF pulse generator | |||
2015 | |||||
| 20 | 9184965 | Energy efficient highway addressable remote transducer soft modem | |||
| 21 | 9148198 | Programmable pre-emphasis circuit for MIPI C-PHY | |||
| 22 | 9136904 | High bandwidth equalizer and limiting amplifier | |||
| 23 | 9118511 | Reflective analog finite impulse response filter | |||
| 24 | 9112550 | Multilevel driver for high speed chip-to-chip communications | |||
| 25 | 9099980 | Dynamically detecting resonating frequencies of resonating structures | |||
| 26 | 9094244 | Receiver circuit with de-emphasis function | |||
| 27 | 9065557 | Signal transmission device and signal transmission method | |||
| 28 | 9059769 | Equalization circuit and equalization system | |||
2014 | |||||
| 29 | 8860527 | Equalizer circuit and printed circuit board | |||
| 30 | 8836447 | Tuner and front-end circuit thereof | |||
| 31 | 8817864 | Communication device and method of setting communication device | |||
| 32 | 8810729 | Method and apparatus for automatic compensation of signal losses from transmission over conductors | |||
| 33 | 8787854 | Low power local oscillator signal generation | |||
| 34 | 8760236 | Drift stabilization of magnetically tunable filter by temperature regulation and mechanical isolation of elctromagnet coil | |||
| 35 | 8754721 | Electronic component and signal transmission method using the electronic component | |||
| 36 | 8698572 | Delay line calibration | |||
| 37 | 8680939 | Differential equalizer and system, method, and computer program product thereof | |||
| 38 | 8674784 | Microwave pulse compressor using switched oversized waveguide resonator | |||
| 39 | 8660820 | Distortion cancellation using adaptive linearization | |||
2013 | |||||
| 40 | 8576022 | Tuning a programmable power line filter | |||
| 41 | 8558955 | Cable equalization locking | |||
| 42 | 8558636 | Package embedded equalizer | |||
| 43 | 8509928 | Method and apparatus for producing stationary intense wave fields of arbitrary shape | |||
| 44 | 8451382 | Systems and methods for cable equalization | |||
| 45 | 8390740 | Systems and methods for cable equalization | |||
| 46 | 8373518 | Method and apparatus for digital synthesis of long multi-cycle microwave pulses | |||
2012 | |||||
| 47 | 8331428 | Signal transmission apparatus and signal transmission control method | |||
| 48 | 8319579 | Passive filter and AC coupler receiver interface | |||
| 49 | 8207634 | Compact multi-cycle high power microwave generator | |||
| 50 | 8120442 | Semiconductor device | |||
2011 | |||||
| 51 | 8081676 | Method and apparatus for data reception | |||
| 52 | 8076991 | Frequency hopping band-stop filter | |||
| 53 | 8026627 | Powered device for power over Ethernet system with increased cable length | |||
| 54 | 7990229 | Methods and devices for compensating a signal using resonators | |||
| 55 | 7986196 | Method and apparatus for digital synthesis of long multi-cycle microwave pulses | |||
2010 | |||||
| 56 | 7855611 | Delay line calibration | |||
| 57 | 7848400 | Retransmission of reordered/coded data in response to presumed receiver decoding failure | |||
| 58 | 7817714 | Integrating receiver having adaptive feedback equalizer function to simultaneously remove inter-symbol interference and high frequency noises and system having the same | |||
| 59 | 7812685 | Automatic regulator of filter | |||
| 60 | 7808340 | Plug-in device for signal correction | |||
| 61 | 7804893 | Feedback of reinterleaved correctly decoded data block to decoder for use in additional channel decoding operations of channel coded word containing data block | |||
| 62 | 7791429 | Equalizer and connector including the same | |||
| 63 | 7738567 | Baseline wander correction for communication receivers | |||
| 64 | 7734271 | Waveguide samplers and frequency converters | |||
| 65 | 7733194 | Nonlinear transmission line modulator | |||
| 66 | 7696838 | Equalizing filter circuit | |||
| 67 | 7679469 | Impulse generator utilizing nonlinear transmission line | |||
| 68 | 7671694 | Programmable passive equalizer | |||
| 69 | 7659793 | Antenna device including a high frequency circuit, a reactance circuit and first and second ground sections | |||
| 70 | 7656939 | Adaptive equalizer with passive and active stages | |||
2009 | |||||
| 71 | 7612629 | Biased nonlinear transmission line comb generators | |||
| 72 | 7612628 | Ultrafast sampler with coaxial transition | |||
| 73 | 7583159 | High power bipolar pulse generators with impedance transformation | |||
| 74 | 7576624 | System and method for extending universal bus line length | |||
| 75 | 7551042 | Microwave pulse compressor using switched oversized waveguide resonator | |||
| 76 | 7532083 | Active nonlinear transmission line | |||
| 77 | 7510991 | Noise suppressor for electronic signals | |||
| 78 | 7504906 | Method for manufacturing an equalizer | |||
2008 | |||||
| 79 | 7446622 | Transmission line with low dispersive properties and its application in equalization | |||
| 80 | 7400212 | Self-tuned active bandpass filters | |||
| 81 | 7375602 | Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media | |||
| 82 | 7352189 | Time aligned bussed triggering using synchronized time-stamps and programmable delays | |||
| 83 | 7327204 | Analog delay chain having more uniformly distributed capacitive loads and analog delay cell for use in chain | |||
2007 | |||||
| 84 | 7312833 | Channel equalizing apparatus and method for digital television receiver | |||
| 85 | 7289007 | Temperature compensated variable tilt equalizer | |||
| 86 | 7262522 | Microelectromechanical isolating power converter | |||
| 87 | 7173965 | Equalizing a signal for transmission | |||
| 88 | 7170365 | Ultrafast sampler with non-parallel shockline | |||
2006 | |||||
| 89 | 7135917 | Left-handed nonlinear transmission line media | |||
| 90 | 7133180 | Resonant impedance matching in microwave and RF device | |||
| 91 | 7103112 | Transmit frequency domain equalizer | |||
| 92 | 7002428 | Dielectric loss compensation methods and apparatus | |||
| 93 | 7002427 | Filter trimming | |||
| 94 | 6995627 | Transmitter equalization method and apparatus | |||
| 95 | 6992542 | Method for fast design of multi-objective frequency-shaping equalizers | |||
2005 | |||||
| 96 | 6965275 | Method and apparatus for tuning a filter | |||
| 97 | 6956914 | Transmit amplitude independent adaptive equalizer | |||
| 98 | 6930567 | Transmission system | |||
| 99 | 6930565 | Fully integrated automatically-tuned RF and IF active bandpass filters | |||
| 100 | 6917682 | Method and device for echo cancelling | |||
| 101 | 6917257 | Apparatus and method for equalizing received signals | |||
| 102 | 6917252 | Fully integrated automatically-tuned RF and IF active bandpass filters | |||
| 103 | 6914981 | Communication device | |||
| 104 | 6867659 | Method and apparatus for filtering a clock signal | |||
| 105 | 6862316 | Spatial and temporal equalizer and equalization method | |||
| 106 | 6844791 | Digital pulse shaper with variable weighting function | |||
2004 | |||||
| 107 | 6807229 | Decision feedback equalizer and method for updating tap coefficients thereof | |||
| 108 | 6788169 | Amplifier composite triple beat (CTB) reduction by phase filtering | |||
| 109 | 6754338 | Bidirectional loss/slope equalizer arrangement | |||
| 110 | 6728366 | Signal level adjustment arrangement | |||
| 111 | 6694017 | Automatic gain control apparatus determining echo return loss | |||
| 112 | 6690768 | Power cutback configuration of digital subscriber line transceivers using public switched telephone network signaling | |||
2003 | |||||
| 113 | 6658119 | Audio signal cable with passive network | |||
| 114 | 6646519 | RF equalizer | |||
| 115 | 6621346 | Impedance matching for programmable gain amplifiers | |||
| 116 | 6617939 | Cable connector assembly with an equalization circuit board | |||
| 117 | 6606013 | Equalizing device for cable distribution network | |||
| 118 | 6574576 | Equalizer with auto-calibration and self-test | |||
| 119 | 6563864 | Residential power cutback for splitterless DSL operation | |||
| 120 | 6549087 | Variable equalizer with independently controlled branches based on different frequency breakpoints | |||
| 121 | 6545622 | Low power analog equalizer with current mode digital to analog converter | |||
| 122 | 6531931 | Circuit and method for equalization of signals received over a communication system transmission line | |||
| 123 | 6530088 | Apparatus for automatic sensing of line amplifier configuration for status monitoring | |||
| 124 | 6522707 | Method and device for disturbance suppression in a signal | |||
2002 | |||||
| 125 | 6496081 | Transmission equalization system and an integrated circuit package employing the same | |||
| 126 | 6492876 | Low power analog equalizer with variable op-amp gain | |||
| 127 | 6489838 | Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance | |||
| 128 | 6459727 | Very high speed digital subscriber line receiver, and programmable gain amplifier and narrow-band noise remover thereof | |||
| 129 | 6438163 | Cable length and quality indicator | |||
| 130 | 6393062 | Methods and circuits for generating a preemphasis waveform | |||
2001 | |||||
| 131 | 6304599 | Adaptive equalizer and adaptive equalization scheme | |||
| 132 | 6259302 | Gain control signal generator that tracks operating variations due to variations in manufacturing processes and operating conditions by tracking variations in DC biasing | |||
| 133 | 6240131 | Digitally controlled transmission line equalizer | |||
| 134 | 6239667 | Attenuation equalizer for transmission lines | |||
| 135 | 6226356 | Method and apparatus for power regulation of digital data transmission | |||
| 136 | 6226322 | Analog receive equalizer for digital-subscriber-line communications system | |||
2000 | |||||
| 137 | 6157254 | Double side band pilot technique for a control system that reduces distortion produced by electrical circuits | |||
| 138 | 6150875 | Apparatus and method for equalizing received network signals using a transconductance controlled single zero single pole filter | |||
| 139 | 6130488 | Switching filter producing a low impedance control input on a high impedance input line for discriminating false control signals | |||
| 140 | 6114922 | Transconductance compensation for process variation in equalizers | |||
| 141 | 6107896 | Linear attenuation equalizer and method for designing same | |||
| 142 | 6104236 | Apparatus and method for equalizing received network signals using a transconductance controlled biquadratic equalizer | |||
| 143 | 6097767 | Apparatus and method for determining an optimum equalizer setting for a signal equalizer in a communication network receiver | |||
1999 | |||||
| 144 | 5982818 | Method for implementing trellis codes for ISI channels | |||
| 145 | 5978417 | Adaptive cable equalizer | |||
| 146 | 5963593 | Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device | |||
| 147 | 5940442 | High speed data receiver | |||
| 148 | 5933072 | Current level control for TWACS inbound communications | |||
| 149 | 5898326 | Signal transmission cable driver apparatus without a peaking coil | |||
| 150 | 5889854 | Technique for compensating for signal attenuation on a telephone line | |||
| 151 | 5875386 | Enabling and cable simulating circuits for wideband signal distribution system | |||
1998 | |||||
| 152 | 5841810 | Multiple stage adaptive equalizer | |||
| 153 | 5838726 | Method of automatically adjusting the output voltage in a transmission system | |||
| 154 | 5835533 | Communications in a distribution network | |||
| 155 | 5828700 | Adaptive equalizer circuit | |||
| 156 | 5819159 | Method for asymmetrically attenuating signals in a transmission system | |||
| 157 | 5805031 | Transistor ratio controlled CMOS transmission line equalizer | |||
| 158 | 5796782 | Digital modulator with Root-Nyquist filter | |||
| 159 | 5796778 | Receiver circuit having adaptive equalizer with characteristics determined by signal envelope measurement and method therefor | |||
| 160 | 5793264 | LAN equalizer | |||
| 161 | 5789993 | Amplitude/frequency correcting device and corresponding frequency equalizer | |||
| 162 | 5754943 | Cable loss equalization system used in wireless communication equipment | |||
| 163 | 5742713 | Methods and filter for isolating upstream ingress noise in a bi-directional cable system | |||
| 164 | 5727031 | Adaptive gain controller | |||
| 165 | 5724344 | Amplifier using a single forward pilot signal to control forward and return automatic slope circuits therein | |||
| 166 | 5708703 | Wide range equalizer with line length detection | |||
1997 | |||||
| 167 | 5699022 | Adaptive cable equalizer | |||
| 168 | 5694422 | Fixed equalizer and equalizing method | |||
| 169 | 5602869 | Adaptive transmit levels for modems operating over cellular | |||
1996 | |||||
| 170 | 5561404 | Amplified serial digital cable equalizer circuit having a high return loss | |||
| 171 | 5555285 | Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method) | |||
| 172 | 5517527 | Adaptive equalizer for ISDN U-interface transceiver | |||
| 173 | 5506549 | Cable equalizer | |||
| 174 | 5489897 | Power control monitoring system for underwater cable communications systems | |||
1995 | |||||
| 175 | 5463661 | TX preemphasis filter and TX power control based high speed two wire modem | |||
| 176 | 5455843 | Adaptive equalizing apparatus and method for token ring transmission systems using unshielded twisted pair cables | |||
| 177 | 5442328 | Transmission line correction system | |||
| 178 | 5420884 | Automatic equalizer | |||
| 179 | 5402444 | Synchronous data interface circuit and method of equalizing synchronous digital data therefor | |||
1994 | |||||
| 180 | 5377231 | Automatic gain control circuit for a digital baseband line equalizer | |||
| 181 | 5343236 | Automatic cable attenuation compensation system | |||
| 182 | 5337025 | Adaptive equalization circuit for equalizing the frequency response of varying lengths of transmission line | |||
| 183 | 5323423 | Receive side pulse width controlled adaptive equalizer | |||
| 184 | 5311155 | Method and apparatus for imparting a linear frequency response to a signal | |||
| 185 | 5300900 | High-frequency limiter and switch-limiter circuit having improved recovery time | |||
| 186 | 5293402 | Wideband digital equalizers for subscriber loops | |||
1993 | |||||
| 187 | 5257286 | High frequency receive equalizer | |||
| 188 | 5226060 | Modem receiver with nonlinear equalization | |||
| 189 | 5226059 | DSP line equalizer | |||
| 190 | 5181228 | System and method for phase equalization | |||
1992 | |||||
| 191 | 5150400 | Method of controlling a data terminal equipment for equalizing a transmission line characteristic and data terminal equipment using the same | |||
| 192 | 5124673 | Level independent automatic cable equalizer | |||
| 193 | 5123052 | Method and apparatus for reducing the attenuation and phase shift of low frequency components of audio signals | |||
| 194 | 5121088 | Frequency response equalizer | |||
| 195 | 5115213 | Frequency equalizer | |||
1991 | |||||
| 196 | 5048055 | Multi-data rate selectable equalizer | |||
| 197 | 4996497 | Cable compensation circuit | |||
| 198 | 4989243 | Automatic compensation system of transmission level in MODEM | |||
1990 | |||||
| 199 | 4975663 | Frequency equalizer | |||
| 200 | 4969145 | Modem | |||
| 201 | 4961057 | Automatic gain control amplifier for compensating cable loss | |||
| 202 | 4945311 | Electronically variable equalizer | |||
| 203 | 4934983 | Data communication system having level control means | |||
| 204 | 4910791 | Monitoring and control of data communications | |||
| 205 | 4899365 | Apparatus and method for adaptive amplitude equalization | |||
1989 | |||||
| 206 | 4888560 | Gain-variable amplifier circuit | |||
| 207 | 4887278 | Equalizer for digital transmission systems | |||
| 208 | 4873502 | Negative immittance converter | |||
| 209 | 4870658 | Amplitude equalizer | |||
| 210 | 4862103 | Variable equalization system | |||
| 211 | 4849981 | High frequency signal driver for a laser diode and method of forming same | |||
| 212 | 4835494 | Automatic level control system for broadband cable systems | |||
| 213 | 4797898 | Method and apparatus for equalization of data transmission system | |||
1988 | |||||
| 214 | 4785265 | Enhanced automatic line build out | |||
| 215 | 4771449 | Data station termination circuit | |||
| 216 | 4768205 | Switched capacitor adaptive line equalizer | |||
| 217 | 4768204 | Method and apparatus for transmitting signals between a master station and a number of terminals | |||
| 218 | 4764938 | Circuit and method for correcting distortion in a digital audio system | |||
| 219 | 4746881 | Equalizer for frequency independent and dependent transmission loss components with a pilot used for the frequency independent component | |||
| 220 | 4745622 | Equalizer for digital transmission systems | |||
| 221 | 4743869 | Constant resistance loss/slope filter circuit | |||
| 222 | 4731590 | Circuits with multiple controlled gain elements | |||
| 223 | 4730342 | Equalizer circuit for use in communication unit | |||
| 224 | 4730341 | Equalizer and equalizing circuit using the same | |||
1987 | |||||
| 225 | 4707840 | Line equalizer having pulse-width deviation detector for compensating long-term level variations | |||
| 226 | 4689805 | Method of and a device for correcting signal distortion caused by a cable | |||
| 227 | 4663583 | Automatically variable phase characteristic all-pass circuit | |||
| 228 | 4653114 | Automatic terminal signal equalization | |||
| 229 | 4637064 | Local area network equalization system and method | |||
1986 | |||||
| 230 | 4633200 | Voltage controlled equalizer | |||
| 231 | 4623998 | Communication network having gain adjustment function of a transmission amplifier of medium attachment unit | |||
| 232 | 4617656 | Information transmission system with modems coupled to a common communication medium | |||
| 233 | 4606043 | Programmable automatic cable equalizer | |||
| 234 | 4605822 | Active equalization circuit | |||
| 235 | 4596011 | Data transmission system for a local network | |||
| 236 | 4591855 | Apparatus for controlling a plurality of current sources | |||
| 237 | 4590600 | Dynamic digital equalizer | |||
| 238 | 4583220 | Analog subscriber carrier system repeater with automatic gain and slope correction | |||
| 239 | 4581747 | Arrangement for equalizing the variable attenuation of a signal on a communication line | |||
| 240 | 4580260 | Analog subscriber carrier system terminal with automatic gain and slope correction | |||
| 241 | 4574253 | Broadband control amplifier | |||
1985 | |||||
| 242 | 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 | |||
| 243 | 4555788 | Multiple rate baseband receiver | |||
| 244 | 4553248 | Analog adaptive magnitude equalizer | |||
| 245 | 4547889 | Auto-orthogonalizing system of equalization adapted to a range of discrete frequencies and equalizer which activates the system | |||
| 246 | 4532384 | Line feed circuit including negative impedance circuit | |||
| 247 | 4524422 | Digital equalizer capable of varying the center frequency, quality factor, and gain to perform various frequency characteristics | |||
| 248 | 4524337 | Variable amplitude delay equalizer | |||
| 249 | 4516269 | Automatic equalization for a simulcast communication system | |||
| 250 | 4506237 | Adjustable slope equalizer | |||
| 251 | 4500999 | Line equalizer | |||
| 252 | 4494082 | Switched-capacitor variable equalizer | |||
1984 | |||||
| 253 | 4490693 | I.F. Delay equalizer for a UHF tv transmitter | |||
| 254 | 4490692 | Reverse equalization network | |||
| 255 | 4453143 | Switched-capacitor variable equalizer | |||
| 256 | 4441192 | Signal processing system having impulse response detecting circuit | |||
| 257 | 4438409 | Active equalizer | |||
| 258 | 4430744 | Adaptive IF equalizer for digital transmission | |||
1983 | |||||
| 259 | 4418424 | Cable television transmission control system | |||
| 260 | 4415872 | Adaptive equalizer | |||
| 261 | 4413240 | Automatic line buildout circuit for digital data transmission | |||
| 262 | 4395688 | Linear phase filter with self-equalized group delay | |||
| 263 | 4378535 | Adaptive equalizer for short distance metallic circuits | |||
| 264 | 4367415 | Pulse generator circuit | |||
1982 | |||||
| 265 | 4359778 | Channel equalizer and method for cancelling ghosts | |||
| 266 | 4356460 | Split phase delay equalizer with reduced insertion loss | |||
| 267 | 4354160 | Amplitude equalizer | |||
| 268 | 4352075 | Split phase delay equalizer with single transformer and adjustment for Q loss | |||
| 269 | 4345222 | Split phase delay equalizer with stray reactance compensation | |||
| 270 | 4336501 | Frequency characteristic adjusting circuit | |||
| 271 | 4333063 | Amplitude equalizer | |||
| 272 | 4329655 | Adaptive equalization system for nonlinearities | |||
| 273 | 4328590 | Single sideband receiver | |||
| 274 | 4320348 | Variable level converter | |||
| 275 | 4320257 | Compensation of transmission losses in a telephone system | |||
| 276 | 4315319 | Non-linear signal processor | |||
| 277 | 4314288 | Amplitude and phase equalizer | |||
1981 | |||||
| 278 | 4306306 | Amplitude tilt and notch compensation apparatus | |||
| 279 | 4293952 | Sampling function type equalizer | |||
| 280 | 4285058 | Waveform correction by sampling | |||
| 281 | 4281408 | Digital signal processing arrangement for controlling the level of a frequency-division multiplex signal | |||
| 282 | 4275358 | Frequency sensitive amplitude equalization circuit | |||
| 283 | 4273963 | Automatic equalization for digital transmission systems | |||
| 284 | 4272738 | Programmable delay response shape bulk delay extender | |||
| 285 | 4271478 | Method and apparatus for measuring the transmission characteristics in electrical communication systems | |||
| 286 | 4266204 | Delay line signal equalizer for magnetic recording signal detection circuits | |||
| 287 | 4262263 | Variable equalizer | |||
| 288 | 4258340 | Amplitude equalizer | |||
| 289 | 4251886 | Transmission system for the transmission of data pulses | |||
| 290 | 4251881 | Centralized automatic gain control circuit | |||
| 291 | 4251783 | Variable resonance type amplitude equalizing circuit | |||
| 292 | 4250472 | Undesired signal canceller | |||
| 293 | 4250459 | Circuit arrangement for automatic distortion correction of a signal | |||
| 294 | 4243957 | Universal equalizer | |||
1980 | |||||
| 295 | 4242650 | Active variable equalizer | |||
| 296 | 4241428 | Line compensated seismic amplifier | |||
| 297 | 4241320 | Circuit arrangement for establishing weighting coefficients in an analog-type adaptive equalizer | |||
| 298 | 4229716 | Amplitude equalizer circuit | |||
| 299 | 4228409 | Transmission arrangement having an adjustable network | |||
| 300 | 4225834 | Equalizing network having a plurality of frequency sensitive attenuation branches in a negative feedback arrangement | |||
| 301 | 4225832 | Self-adapting equalizer | |||
| 302 | 4219788 | Active variable equalizer | |||
| 303 | 4217562 | Equalizer networks providing a bump shaped response | |||
| 304 | 4208640 | Attenuation equalizer for correcting a temperature and frequency-dependent cable attenuation | |||
| 305 | 4207624 | Frequency domain adaptive filter for detection of sonar signals | |||
| 306 | 4204176 | Variable equalizer | |||
| 307 | 4201959 | Automatic equalization system | |||
| 308 | 4199668 | Circuit arrangement for signal equalization in wide-band transmission system | |||
| 309 | 4197514 | Microwave delay equalizer comprising a pair of distributed-constant_ elements as a directional coupler | |||
| 310 | 4192974 | Multi-section apparatus for improving signal transmission through telephone transmission lines | |||
| 311 | 4187479 | Variable equalizer | |||
| 312 | 4185248 | Input level supervisory system for level regulator | |||
1979 | |||||
| 313 | 4176317 | Circuit arrangement for determining the frequency dependent amplitude fluctuation characteristic of a communications transmission link | |||
| 314 | 4169215 | Signal limiting circuit | |||
| 315 | 4166981 | Continuous signal amplitude regulator | |||
| 316 | 4158113 | Level regulator governed by a pilot tone | |||
| 317 | 4151524 | Multipath communications system | |||
| 318 | 4151490 | Automatic cable equalizer circuit | |||
| 319 | 4141072 | Frequency domain automatic equalizer using minimum mean square error correction criteria | |||
| 320 | 4140983 | Method for automatically equalizing the delay characteristics of a transmission line | |||
| 321 | 4139829 | Method for adjusting a band division type equalizer | |||
| 322 | 4136267 | Transmission systems | |||
| 323 | 4135064 | Impedance compensation of transmission line | |||
1978 | |||||
| 324 | 4125899 | Bessel function type automatic delay equalizer | |||
| 325 | 4122417 | Variable equalizer | |||
| 326 | 4118672 | Attenuation equalizer having constant resistance | |||
| 327 | 4112262 | Telephone station repeater | |||
| 328 | 4106103 | Derivation of discrete Fourier transform components of a time dependent signal | |||
| 329 | 4103247 | Variable gain amplifiers | |||
| 330 | 4101851 | Variable equalizer | |||
| 331 | 4100604 | Frequency domain automatic equalizer utilizing the discrete Fourier transform | |||
| 332 | 4100515 | Communication circuit having precision capacitor multiplier | |||
| 333 | 4097824 | Variable equalizer | |||
| 334 | 4097806 | Adaptive equalizer with improved distortion analysis | |||
| 335 | 4080580 | Variable equalizer | |||
| 336 | 4078157 | Method and apparatus for regenerating a modified duobinary signal | |||
| 337 | 4074073 | Pilot receiver memory unit in a carrier frequency system | |||
| 338 | 4071782 | Phaseless equalizer | |||
1977 | |||||
| 339 | 4063187 | Equalizer circuit | |||
| 340 | 4063183 | Adaptive equalizer with improved distortion analysis | |||
| 341 | 4061970 | Transmission system and repeater stations therefor | |||
| 342 | 4057771 | Frequency-response corrective network | |||
| 343 | 4057695 | Telecommunication system with controlled gain active filters | |||
| 344 | 4054910 | Communication system for the transmission of closed circuit television over an ordinary pair of wires | |||
| 345 | 4049928 | Self-adjusting voice frequency repeater | |||
| 346 | 4042893 | Method and apparatus for improving transmission line characteristics | |||
| 347 | 4039977 | Adjustable compensating circuit having differential capacitor in each tunable stage | |||
| 348 | 4037066 | Repeater for transmission lines | |||
| 349 | 4035747 | Adjustable attenuation equalizer | |||
| 350 | 4034296 | Omni-frequency pilot system | |||
| 351 | 4032866 | Low loss frequency response corrective network | |||
| 352 | 4032726 | Repeater for transmission lines of differing lengths | |||
| 353 | 4030034 | Overdrive protection circuit for power line carrier systems and the like | |||
| 354 | 4028644 | System equalization for repeatered submarine cable system | |||
| 355 | 4028505 | Negative impedance repeater for telephone lines | |||
| 356 | 4027259 | Line equalizer with differentially controlled complementary constant resistance networks | |||
| 357 | 4027257 | Frequency domain automatic equalizer having logic circuitry | |||
| 358 | 4027118 | Network having a transformer-coupled open-circuit stable negative impedance and a short-circuit stable positive impedance | |||
| 359 | 4025735 | Negative conductance network | |||
| 360 | 4023112 | Broad band amplifier having negative feedback and a controllable amplification factor | |||
| 361 | 4017695 | Customer operated gain control circuit | |||
| 362 | 4013981 | Constant-resistance coupled-line type equalizer | |||
| 363 | 4012704 | Active amplitude equalizers | |||
| 364 | 4011530 | Two-path telephone line equalization system | |||
| 365 | 4009350 | Level regulator of the digital type | |||
| 366 | 4007340 | Distance-related variable gain amplifier | |||
| 367 | 4004253 | Variable equalizer | |||
| 368 | 4003006 | Pilot tone controlled adaptive amplitude equalizer | |||
| 369 | 4002982 | Mixed analog/digital transmission system using radio link and method of operating same | |||
1976 | |||||
| 370 | 3999130 | Automatic frequency translator for use with a delay/amplitude equalizer | |||
| 371 | 3997841 | Time domain equalizer for broadband communication systems | |||
| 372 | 3993952 | Transmission system for pulse signals of fixed clock frequency | |||
| 373 | 3990022 | System for automatic equalization | |||
| 374 | 3979677 | System for automatic equalization | |||
| 375 | 3978323 | Apparatus for achieving predetermined transfer characteristics | |||
| 376 | 3974448 | Use of equalizers in satellite communication transmission systems | |||
| 377 | 3974447 | Pilot receiver | |||
| 378 | 3974345 | Negative impedance repeater with double amplification, for telephone lines | |||
| 379 | 3967220 | Variable delay equalizer | |||
| 380 | 3962541 | Frequency sample-and-hold circuit | |||
| 381 | 3949206 | Filtering device | |||
| 382 | 3949173 | Device for the suppression of a pilot frequency in a multiplex transmission system | |||
| 383 | 3943468 | Amplitude equalizer using mixing for error detection | |||
| 384 | 3943454 | Digital logic circuits for producing digital sum and difference frequencies | |||
| 385 | 3942137 | Device for the remote adjustment of an inaccessible element | |||
| 386 | 3936762 | Digital phase-lock loop systems for phase processing of signals | |||
| 387 | 3936610 | Dual delay line storage sound signal processor | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||