СПИСОК патентов США - подгруппа МПК16 H04B3/14


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2017

19602318Closed-loop high-speed channel equalizer adaptation

2016

29484878Equalization of frequency-dependent gain
39445160Legacy converter filter with extended frequency range
49432230Passive equalizer capable of use in a receiver
59419680Passive equalizer
69413567Systems and methods for finite impulse response adaptation for gain and phase control
79401688Passive equalizer
89369108Correction of the passband of an air gap transformer
99344145Method for transceiving signal based on information from equalizer of receiving unit and method for training equalizer
109288019Apparatuses, methods, and systems for jitter equalization and phase error detection
119277651Differential passive equalizer
129264102Trace canceller with equalizer adjusted for trace length driving variable-gain amplifier with automatic gain control loop

2015

139136904High bandwidth equalizer and limiting amplifier
149130792Closed-loop high-speed channel equalizer adaptation
159118511Reflective analog finite impulse response filter
169106464Trace canceller with equalizer adjusted for trace length driving variable-gain amplifier with automatic gain control loop
179094240Passive equalizer and high-speed digital signal transmission system using the same
189054786System and method for applying multi-tone OFDM based communications within a prescribed frequency range

2014

198902017Equalizer and communication system
208878630Common-mode noise suppression filter
218872597Equalizer for loss-compensation of high-frequency signals generated in transmission channels
228860528Equalizer for loss-compensation of high-frequency signals generated in transmission channels
238779847Systems and methods for finite impulse response adaptation for gain and phase control
248766740Equalizer for loss-compensation of high-frequency signals generated in transmission channels
258760238Equalizer for loss-compensation of high-frequency signals generated in transmission channels
268699555Adaptive equalizer
278680938Apparatus and method for equalization
288680937Differential equalizers with source degeneration and feedback circuits

2013

298508311Transmission line and electrical apparatus using the same
308482359Equalization apparatus

2012

318324982Integrated front-end passive equalizer and method thereof
328306101Equalizer system
338138851High bandwidth programmable transmission line equalizer
348115566Integrated front-end passive equalizer and method thereof

2011

357924113Integrated front-end passive equalizer and method thereof

2010

367737802Passive equalizer with negative impedance to increase a gain
377696839Signal waveform equalizer circuit and receiver circuit
387696838Equalizing filter circuit
397683732Continuously adjustable equalizer
407657039Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same

2009

417616684Receiver with decision-directed equalizer
427504906Method for manufacturing an equalizer

2008

437394331Programmable passive equalizer
447382826Method and apparatus for the control of a decision feedback equalizer
457356077Method and apparatus for testing network integrity
467324167High-quality twisted-pair transmission line system for high-resolution video

2007

477312833Channel equalizing apparatus and method for digital television receiver
487274736Multiple path equalization for multicarrier systems
497269215Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic
507184475Adjustment for equalization parameters in receivers
517173965Equalizing a signal for transmission
527164711Programmable receive-side channel equalizer

2006

537103112Transmit frequency domain equalizer
547039567System identification method

2005

556930567Transmission system
566917257Apparatus and method for equalizing received signals
576914981Communication device
586862316Spatial and temporal equalizer and equalization method

2004

596788169Amplifier composite triple beat (CTB) reduction by phase filtering
606754338Bidirectional loss/slope equalizer arrangement

2003

616658119Audio signal cable with passive network
626646519RF equalizer
636621346Impedance matching for programmable gain amplifiers
646617939Cable connector assembly with an equalization circuit board
656606013Equalizing device for cable distribution network
666574576Equalizer with auto-calibration and self-test
676549087Variable equalizer with independently controlled branches based on different frequency breakpoints
686545622Low power analog equalizer with current mode digital to analog converter
696531931Circuit and method for equalization of signals received over a communication system transmission line

2002

706496081Transmission equalization system and an integrated circuit package employing the same
716492876Low power analog equalizer with variable op-amp gain
726489838Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance

2001

736304599Adaptive equalizer and adaptive equalization scheme
746259302Gain control signal generator that tracks operating variations due to variations in manufacturing processes and operating conditions by tracking variations in DC biasing
756240131Digitally controlled transmission line equalizer
766239667Attenuation equalizer for transmission lines
776226322Analog receive equalizer for digital-subscriber-line communications system

2000

786150875Apparatus and method for equalizing received network signals using a transconductance controlled single zero single pole filter
796130488Switching filter producing a low impedance control input on a high impedance input line for discriminating false control signals
806114922Transconductance compensation for process variation in equalizers
816107896Linear attenuation equalizer and method for designing same
826104236Apparatus and method for equalizing received network signals using a transconductance controlled biquadratic equalizer
836097767Apparatus and method for determining an optimum equalizer setting for a signal equalizer in a communication network receiver

1999

845978417Adaptive cable equalizer
855933072Current level control for TWACS inbound communications

1998

865841810Multiple stage adaptive equalizer
875828700Adaptive equalizer circuit
885819159Method for asymmetrically attenuating signals in a transmission system
895805031Transistor ratio controlled CMOS transmission line equalizer
905796778Receiver circuit having adaptive equalizer with characteristics determined by signal envelope measurement and method therefor
915793264LAN equalizer
925789993Amplitude/frequency correcting device and corresponding frequency equalizer
935742713Methods and filter for isolating upstream ingress noise in a bi-directional cable system
945708703Wide range equalizer with line length detection

1997

955699022Adaptive cable equalizer
965694422Fixed equalizer and equalizing method

1996

975555285Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method)
985517527Adaptive equalizer for ISDN U-interface transceiver
995506549Cable equalizer

1995

1005455843Adaptive equalizing apparatus and method for token ring transmission systems using unshielded twisted pair cables
1015442328Transmission line correction system
1025420884Automatic equalizer

1994

1035337025Adaptive equalization circuit for equalizing the frequency response of varying lengths of transmission line
1045323423Receive side pulse width controlled adaptive equalizer
1055311155Method and apparatus for imparting a linear frequency response to a signal

1993

1065257286High frequency receive equalizer
1075226060Modem receiver with nonlinear equalization
1085226059DSP line equalizer
1095181228System and method for phase equalization

1992

1105124673Level independent automatic cable equalizer
1115123052Method and apparatus for reducing the attenuation and phase shift of low frequency components of audio signals
1125121088Frequency response equalizer
1135115213Frequency equalizer

1991

1145048055Multi-data rate selectable equalizer
1154996497Cable compensation circuit

1990

1164975663Frequency equalizer
1174945311Electronically variable equalizer
1184899365Apparatus and method for adaptive amplitude equalization

1989

1194888560Gain-variable amplifier circuit
1204887278Equalizer for digital transmission systems
1214870658Amplitude equalizer
1224862103Variable equalization system
1234797898Method and apparatus for equalization of data transmission system

1988

1244764938Circuit and method for correcting distortion in a digital audio system
1254745622Equalizer for digital transmission systems
1264743869Constant resistance loss/slope filter circuit
1274730342Equalizer circuit for use in communication unit
1284730341Equalizer and equalizing circuit using the same

1987

1294663583Automatically variable phase characteristic all-pass circuit

1986

1304633200Voltage controlled equalizer
1314605822Active equalization circuit
1324574253Broadband control amplifier

1985

1334559503Amplifier for correcting group time delay of electrical signals and an intermediate frequency amplifier stage for radio equipment comprising an amplifier of this kind
1344555788Multiple rate baseband receiver
1354553248Analog adaptive magnitude equalizer
1364547889Auto-orthogonalizing system of equalization adapted to a range of discrete frequencies and equalizer which activates the system
1374524422Digital equalizer capable of varying the center frequency, quality factor, and gain to perform various frequency characteristics
1384524337Variable amplitude delay equalizer
1394506237Adjustable slope equalizer
1404500999Line equalizer
1414494082Switched-capacitor variable equalizer

1984

1424490693I.F. Delay equalizer for a UHF tv transmitter
1434490692Reverse equalization network
1444453143Switched-capacitor variable equalizer
1454441192Signal processing system having impulse response detecting circuit
1464438409Active equalizer
1474430744Adaptive IF equalizer for digital transmission

1983

1484415872Adaptive equalizer
1494413240Automatic line buildout circuit for digital data transmission
1504395688Linear phase filter with self-equalized group delay
1514378535Adaptive equalizer for short distance metallic circuits
1524367415Pulse generator circuit

1982

1534359778Channel equalizer and method for cancelling ghosts
1544356460Split phase delay equalizer with reduced insertion loss
1554354160Amplitude equalizer
1564352075Split phase delay equalizer with single transformer and adjustment for Q loss
1574345222Split phase delay equalizer with stray reactance compensation
1584336501Frequency characteristic adjusting circuit
1594333063Amplitude equalizer
1604329655Adaptive equalization system for nonlinearities
1614320348Variable level converter
1624315319Non-linear signal processor
1634314288Amplitude and phase equalizer

1981

1644306306Amplitude tilt and notch compensation apparatus
1654293952Sampling function type equalizer
1664275358Frequency sensitive amplitude equalization circuit
1674273963Automatic equalization for digital transmission systems
1684272738Programmable delay response shape bulk delay extender
1694266204Delay line signal equalizer for magnetic recording signal detection circuits
1704262263Variable equalizer
1714258340Amplitude equalizer
1724251886Transmission system for the transmission of data pulses
1734251783Variable resonance type amplitude equalizing circuit
1744250472Undesired signal canceller
1754250459Circuit arrangement for automatic distortion correction of a signal
1764243957Universal equalizer

1980

1774242650Active variable equalizer
1784241320Circuit arrangement for establishing weighting coefficients in an analog-type adaptive equalizer
1794229716Amplitude equalizer circuit
1804228409Transmission arrangement having an adjustable network
1814225834Equalizing network having a plurality of frequency sensitive attenuation branches in a negative feedback arrangement
1824225832Self-adapting equalizer
1834219788Active variable equalizer
1844217562Equalizer networks providing a bump shaped response
1854208640Attenuation equalizer for correcting a temperature and frequency-dependent cable attenuation
1864207624Frequency domain adaptive filter for detection of sonar signals
1874204176Variable equalizer
1884199668Circuit arrangement for signal equalization in wide-band transmission system
1894197514Microwave delay equalizer comprising a pair of distributed-constant_ elements as a directional coupler
1904187479Variable equalizer

1979

1914151524Multipath communications system
1924151490Automatic cable equalizer circuit
1934141072Frequency domain automatic equalizer using minimum mean square error correction criteria
1944140983Method for automatically equalizing the delay characteristics of a transmission line
1954139829Method for adjusting a band division type equalizer

1978

1964125899Bessel function type automatic delay equalizer
1974122417Variable equalizer
1984118672Attenuation equalizer having constant resistance
1994106103Derivation of discrete Fourier transform components of a time dependent signal
2004103247Variable gain amplifiers
2014101851Variable equalizer
2024100604Frequency domain automatic equalizer utilizing the discrete Fourier transform
2034100515Communication circuit having precision capacitor multiplier
2044097824Variable equalizer
2054097806Adaptive equalizer with improved distortion analysis
2064080580Variable equalizer
2074078157Method and apparatus for regenerating a modified duobinary signal
2084071782Phaseless equalizer

1977

2094063187Equalizer circuit
2104063183Adaptive equalizer with improved distortion analysis
2114057771Frequency-response corrective network
2124042893Method and apparatus for improving transmission line characteristics
2134039977Adjustable compensating circuit having differential capacitor in each tunable stage
2144035747Adjustable attenuation equalizer
2154032866Low loss frequency response corrective network
2164028644System equalization for repeatered submarine cable system
2174027259Line equalizer with differentially controlled complementary constant resistance networks
2184027257Frequency domain automatic equalizer having logic circuitry
2194013981Constant-resistance coupled-line type equalizer
2204012704Active amplitude equalizers
2214004253Variable equalizer
2224003006Pilot tone controlled adaptive amplitude equalizer

1976

2233997841Time domain equalizer for broadband communication systems
2243990022System for automatic equalization
2253979677System for automatic equalization
2263974448Use of equalizers in satellite communication transmission systems
2273967220Variable delay equalizer
2283949206Filtering device
2293943468Amplitude equalizer using mixing for error detection
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017