Patents for H04B 3 - Line transmission systems (31,523) |
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08/01/1996 | WO1996023368A1 Method and apparatus for communicating by means of an electrical power cable |
08/01/1996 | WO1996023367A1 Adaptation control for echo canceller |
08/01/1996 | DE19501083A1 Optimisation method for frequency dependent amplification of receiver coupled to transmission path |
07/31/1996 | EP0724353A2 Echo cancellation |
07/31/1996 | EP0724338A2 Pulse based crosstalk measurement apparatus with connector crosstalk compensation |
07/31/1996 | EP0724262A2 Class 4 partial response using peak sampling |
07/30/1996 | US5541990 Compensated hybrid |
07/30/1996 | US5541956 Adaptive equalizer and adaptive diversity equalizer |
07/25/1996 | WO1996012354A3 Communication network comprising a transceiver |
07/25/1996 | DE19515668C1 Interference signal prevention device for cable bundle lines |
07/23/1996 | US5539774 Dual decision equalization method and device |
07/23/1996 | US5539388 Telemetry and control system |
07/23/1996 | US5539356 Apparatus for detecting a signal |
07/23/1996 | US5539321 Apparatus for measuring the crosstalk in a cable |
07/23/1996 | CA2078049C Decision-feedback equalizer capable of producing an equalized signal at a high speed without a remaining fading |
07/17/1996 | EP0721702A1 Line interface apparatus and method for isolating data terminal equipment from the line |
07/16/1996 | US5537437 Initialization equalization for modulation and demodulation using special training pattern |
07/16/1996 | US5537419 Receiver sample timing adjustment using channel impulse response |
07/11/1996 | WO1996021304A2 Combating signal interference in digital transmission |
07/10/1996 | EP0721292A1 Circuit for testing wire pairs |
07/10/1996 | EP0721274A2 Method and apparatus for detecting a near-end speech signal |
07/10/1996 | EP0721252A1 Subband echo canceler |
07/10/1996 | EP0721100A2 Cable testing system based on pulsed signal attenuation measurement |
07/10/1996 | EP0720799A1 Interference suppression in cdma systems |
07/10/1996 | EP0720768A1 A horizontally twisted-pair planar conductor line structure |
07/10/1996 | EP0689738A4 Power line coupler modem device for communication over electrical lines |
07/09/1996 | US5535273 Circuitry for superimposing small, low energy signals and large, essentially higher energy signals |
07/09/1996 | US5535194 Method and apparatus for echo canceling with double-talk immunity |
07/09/1996 | US5535149 Duplex adaptive digital filter and method of operation |
07/09/1996 | US5534929 Data processing apparatus |
07/09/1996 | US5534783 For obtaining a signal reproducing anomalies in a first line |
07/09/1996 | CA1338448C System for monitoring status of plurality of repeaters |
07/04/1996 | WO1996020551A1 Adaptive equalization for priv transmission systems |
07/03/1996 | EP0720334A2 Decision feedback equalizer for cancelling short- and long-multipath components using correspondingly delayed decision symbols |
07/02/1996 | US5533121 Echo canceller and method for controlling echo cancellation |
07/02/1996 | US5533101 Extension phone type cordless telephone set |
07/02/1996 | US5533066 Apparatus and method for estimating maximum likelihood sequence using optimum sampling phase |
07/02/1996 | US5533050 System for receiving a phase and amplitude modulated digital signal |
07/02/1996 | US5532755 Apparatus for suppressing ghosts in signals modulating a carrier in quadrature phasing with a video carrier |
07/02/1996 | US5532734 Method of transmitting picture data from a transmitter to a selected receiver |
07/02/1996 | US5532642 Feedforward-type distortion compensation circuit |
07/02/1996 | US5532603 Cross-talk measurement apparatus with near-end compensation |
07/02/1996 | US5532478 Underwater branching device |
07/02/1996 | CA2069065C Adaptive frequency dependent compensation for telecommunication channels |
06/27/1996 | WO1996019876A1 Method and apparatus for applying waveform prediction to subbands of a perceptual coding system |
06/27/1996 | WO1996019873A1 Method and apparatus for mitigating interference in a communication system |
06/26/1996 | EP0719028A2 Optimization of adaptive filter tap settings for subband acoustic echo cancellers in teleconferencing |
06/26/1996 | EP0719027A2 Method and arrangement for echo cancelling |
06/26/1996 | EP0718152A1 Intermittent data communication on indicator supply wiring of a vehicle |
06/26/1996 | CN2230065Y Electronic speaker-phone for multiple users |
06/26/1996 | CN1125364A Four core wiring digital indoor intercom |
06/25/1996 | US5530737 Secure access telephone extension system and method |
06/25/1996 | US5530724 Echo canceler with automatic enablement/disablement on a per-call basis |
06/25/1996 | US5530367 Cable testing apparatus |
06/20/1996 | WO1996019048A2 Method and apparatus for increasing receiver immunity to interference |
06/19/1996 | EP0717559A2 Equalization apparatus with effective coefficient updating operation |
06/19/1996 | EP0717536A1 Blind multipath correction for digital communication channel |
06/19/1996 | EP0717531A1 Data transmission circuit on power lines with low reception threshold |
06/19/1996 | EP0717526A2 Telecommunication network for transmitting information between line terminators on the subscriber side and subscribers individual network terminators |
06/19/1996 | EP0717507A2 Modem receiver pre-emphasis |
06/19/1996 | CN2229734Y Bidirectional duplex intercommunication machine |
06/19/1996 | CN1124893A 铁轨通讯方法 Rail communication method |
06/19/1996 | CN1124891A Network carrier timing system |
06/19/1996 | CN1032103C Modem including an equalizer for amplitude jitter |
06/19/1996 | CN1032098C Power line multiplexing telephone network system |
06/18/1996 | US5528687 Echo canceller |
06/18/1996 | US5528630 Coupler for communication systems which utilize more than one frequency band |
06/18/1996 | US5528627 Signal reception system comprising an adaptive filter |
06/18/1996 | US5528625 High speed quantization-level-sampling modem with equalization arrangement |
06/18/1996 | US5528311 Complex filter apparatus for use in an equalizer |
06/18/1996 | US5528089 Remote power feed device for electronic equipment |
06/18/1996 | CA2061929C Method and arrangement for generating tap-coefficients updating inhibit signal in speakerphone |
06/14/1996 | CA2161722A1 Modem receiver preemphasis |
06/13/1996 | WO1996018261A2 High speed communications system for analog subscriber connections |
06/13/1996 | WO1996018239A2 Terminating transmission line impedance-matching circuit |
06/12/1996 | EP0715598A1 Electric overhead conveyor |
06/11/1996 | US5526425 Interface circuit between a four wire line and a two wire line |
06/11/1996 | US5526378 Blind multipath correction for digital communication channel |
06/11/1996 | US5526377 Transversal filter useable in echo canceler, decision feedback equalizer applications for minimizing non-linear distortion in signals conveyed over full duplex two-wire communication link |
06/11/1996 | US5526347 Decorrelation controller for an adaptive echo cancellor |
06/11/1996 | CA1338383C Equalizer for isdn-u interface |
06/06/1996 | WO1996017454A1 Method and apparatus for testing a digital communication channel at variable or fixed data rates |
06/06/1996 | WO1996017444A1 Power line signalling system |
06/06/1996 | WO1996017443A1 Power line signalling device |
06/06/1996 | CA2206300A1 Power line signalling system |
06/05/1996 | EP0715177A2 Architecture for RF signal automatic test equipment |
06/05/1996 | CN2228694Y Comprehensive alarm instrument for electric power communication network |
06/05/1996 | CN1124078A Secure access telephone extension system and method |
06/05/1996 | CN1123978A A hybrid equalizer arrangement for use in data aom unications equipment |
06/04/1996 | US5524149 Circuit arrangement for echo suppression |
06/04/1996 | US5524125 Interference cancellation apparatus capable of adaptive equalization and interference cancellation at a high speed on fading diversity channels |
06/04/1996 | US5524043 Remotely connectable maintenance termination unit |
06/04/1996 | US5524022 Digital graphic equalizer |
06/04/1996 | US5523703 Method and apparatus for controlling termination of current driven circuits |
06/04/1996 | CA2086548C A method for optimizing an adaptive filter update coefficient |
05/29/1996 | EP0714193A2 Improved telecommunication system through mains electricity conductors |
05/29/1996 | EP0713625A1 An audio processing system for teleconferencing |
05/29/1996 | CN1123498A Method and device for removing double picture with standered symbol represented digital code |
05/29/1996 | CN1123492A Master/slave structure system for power network communication |
05/28/1996 | US5521949 Synchronization scheme for digital communications systems transporting data at a customer-controlled rate |