| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 02/06/1997 | WO1997004582A1 Reconfigurable on-demand telephone and data line system |
| 02/06/1997 | WO1997004547A1 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections |
| 02/06/1997 | WO1997004537A1 Power line telephone communications system having on hook digital voiceband messaging |
| 02/05/1997 | EP0757452A1 Telecommunication system through electrical power lines |
| 02/05/1997 | EP0756786A1 Powerline communications network employing tdma, fdma and/or cdma |
| 02/05/1997 | EP0756785A1 Hybrid electricity and telecommunications distribution network |
| 02/05/1997 | EP0756774A1 Mains signalling systems |
| 02/05/1997 | EP0756773A1 Process and apparatus for the low-energy interrogation of binary states over long lines |
| 02/05/1997 | CN1033988C 场传感器通信系统 Field sensor communication system |
| 02/04/1997 | US5600718 Apparatus and method for adaptively precompensating for loudspeaker distortions |
| 02/04/1997 | US5600714 Conference telephone using dynamic modeled line hybrid |
| 02/04/1997 | US5600656 Remote loopback apparatus and method for telephone line repeaters |
| 02/04/1997 | CA2112510C Remote feed device for electronic equipment |
| 01/30/1997 | WO1997003504A1 Circuit termination device for a circuit having two wires |
| 01/29/1997 | EP0756407A2 Noise controlled type handset |
| 01/29/1997 | EP0756404A2 Burst update for an adaptive equalizer |
| 01/29/1997 | EP0756389A1 Assignment circuit for a transmission channel on the mains network |
| 01/29/1997 | EP0755601A1 Improved adsl compatible discrete multi-tone apparatus |
| 01/29/1997 | EP0755591A1 Determining echo return loss in echo cancelling arrangements |
| 01/29/1997 | CN1141702A Termination network and control circuit |
| 01/28/1997 | US5598468 Method and apparatus for echo removal in a communication system |
| 01/28/1997 | US5598434 Automatic equalizer with a branched input for improved accuracy |
| 01/28/1997 | US5598433 Automatic equalizer and data mode convergence method |
| 01/28/1997 | US5598432 Equalizing received signal samples by receiving input in a first register at a first rate greater than or equal to the transmission rate and further receiving samples into a plurality of register at a second rate lower than the first rate |
| 01/23/1997 | WO1997002664A1 Spectral noise compensation for echo cancellation |
| 01/23/1997 | WO1997002662A1 A data access arrangement having improved transmit-receive separation |
| 01/23/1997 | WO1997002656A1 Adaptive gain controller |
| 01/23/1997 | CA2225783A1 A data access arrangement having improved transmit-receive separation |
| 01/22/1997 | EP0755141A2 Adaptive decision feedback equalization for communication systems |
| 01/22/1997 | EP0755128A1 Transmission circuit for binary data on the mains network using several transmission channels |
| 01/22/1997 | EP0754376A1 Apparatus and method for reducing errors in data caused by noise through the use of blanking |
| 01/22/1997 | EP0565687B1 An arrangement for the control of an echo canceller |
| 01/22/1997 | CN1141102A Method and apparatus for mitigating interference in a communication system |
| 01/22/1997 | CN1140945A Data receiving device |
| 01/22/1997 | CN1140944A Data receiving device |
| 01/21/1997 | US5596605 Radio receiver for use in the reception of digital multiplexing signals |
| 01/16/1997 | WO1997001931A1 Wideband signal distribution system |
| 01/16/1997 | WO1997001893A1 Method, device, dsp and modem for efficient echo canceler phase roll tracking |
| 01/16/1997 | DE19525350A1 Vorrichtung für einen Leitungsabschluß einer zwei Drähte aufweisenden Leitung Apparatus for line termination of two wires having line |
| 01/16/1997 | CA2224639A1 Method, device, dsp and modem for efficient echo canceler phase roll tracking |
| 01/14/1997 | US5594785 Method of producing ring-back tone in order wire |
| 01/14/1997 | US5594756 Decision feedback equalization circuit |
| 01/14/1997 | US5594719 Method for controlling echo canceller circuit |
| 01/14/1997 | US5594677 Method and apparatus for filtering high resolution digital signals |
| 01/14/1997 | US5594347 Non-invasive testing of video signals with a jack module and amplification circuit |
| 01/08/1997 | EP0752169A1 Data transmission device in power supply cable networks |
| 01/08/1997 | CN1139996A Filtering |
| 01/07/1997 | US5592548 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| 01/07/1997 | US5592514 Method of performing signal reconstruction at the receiving end of a communications system, such as for GSM |
| 01/07/1997 | US5592482 Video distribution system using in-wall wiring |
| 01/07/1997 | CA2047164C Adaptive equalizer with channel impulse response estimation |
| 01/03/1997 | WO1997000560A1 Device for correcting the amplitude/frequency characteristic of a signal from a cable, and frequency equaliser therefor |
| 01/03/1997 | CA2197236A1 Device for correcting the amplitude/frequency characteristic of a signal from a cable, and frequency equaliser therefor |
| 01/02/1997 | EP0751653A2 FIR equalizer for data signals |
| 01/02/1997 | EP0683940B1 Process and device for the detection of disabling tone of the echo canceller in a telephone switching exchange |
| 01/02/1997 | EP0565682B1 A method for non-linear signal processing in an echo canceller |
| 01/01/1997 | CN1139501A Method for determining location of echo in an echo cancellar |
| 12/31/1996 | US5590154 Equalizer circuit and a method for equalizing a continuous signal |
| 12/31/1996 | US5590121 Method and apparatus for adaptive filtering |
| 12/31/1996 | US5590013 Electric-supply-switch relay-circuit |
| 12/31/1996 | US5589813 Data communication system of the field bus type with a twin lead for power supply to connect units and for data transmission between the units |
| 12/31/1996 | CA2104338C Adaptive equalizer method and apparatus |
| 12/27/1996 | WO1996042159A1 System for the fail-safe transmission of data via a differential bus |
| 12/27/1996 | EP0750405A2 Cable loss equalization system used in wireless communication equipment |
| 12/27/1996 | EP0750395A1 Adaptive filter and method for implementing echo cancellation |
| 12/27/1996 | EP0749672A1 Communication on a series cable |
| 12/25/1996 | CN2243745Y Quasi-duplex converter of noiseless intercom |
| 12/25/1996 | CN1138795A Signal processing apparatus and method |
| 12/25/1996 | CN1138793A Equalization apparatus with effective coefficient updating operation |
| 12/25/1996 | CN1138787A Modem receiver pre-emphasis |
| 12/25/1996 | CN1138780A Auto-checking and setting device and method for tinkertoy network system terminal resistance |
| 12/24/1996 | US5588021 Repeater for use in a control network |
| 12/24/1996 | US5587998 Method and apparatus for reducing residual far-end echo in voice communication networks |
| 12/24/1996 | US5587692 Common mode current cancellation in twisted pairs |
| 12/20/1996 | CA2177625A1 Adaptive filter and method for implementing echo cancellation |
| 12/19/1996 | WO1996041428A1 Telemetry and control system incorporating smart relay |
| 12/18/1996 | EP0749070A2 Method for decentralised supply of a bus and apparatus for carrying out the method |
| 12/18/1996 | EP0748551A1 Combating signal interference in digital transmission |
| 12/18/1996 | EP0748480A1 Distributed intelligence engineering casualty and damage control management system using an ac power line carrier-current lan |
| 12/18/1996 | EP0627136B1 Method and apparatus for ghost cancelling and/or equalizing |
| 12/18/1996 | CN1138251A Fractionally spaced equalizing circuits and method |
| 12/18/1996 | CN1033614C Video signal equalizer |
| 12/17/1996 | US5586144 Receiving arrangement including a variable equalizer, which variable equalizer is controlled on the basis of one or more signal portions produced by the variable equalizer |
| 12/17/1996 | US5586100 Transversal filter and method for cancelling intersymbol interference |
| 12/12/1996 | DE19520596A1 Combined data and energy transmission system |
| 12/11/1996 | EP0748124A2 Signal processing apparatus and method |
| 12/11/1996 | EP0746934A1 A termination network and a control circuit |
| 12/11/1996 | EP0746911A1 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms |
| 12/08/1996 | CA2170469A1 Signal processing apparatus and method |
| 12/05/1996 | WO1996038933A1 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| 12/05/1996 | WO1996031955A3 Two-way data communicating method and system |
| 12/04/1996 | EP0746134A2 Acoustic echo canceler |
| 12/04/1996 | EP0746133A2 Multistage echo canceller including time variation compensation |
| 12/04/1996 | EP0745302A1 High speed communications system for analog subscriber connections |
| 12/04/1996 | CN2241950Y Apartment intercommunication telephone set |
| 12/03/1996 | US5581619 Vehicle internal noise reduction system and method |
| 12/03/1996 | US5581581 Viterbi equalizer |
| 12/03/1996 | US5581568 Data detection apparatus |
| 12/03/1996 | US5581565 Measuring apparatus used for testing connections between at least two subassemblies |
| 12/03/1996 | US5581494 Adaptive discrete-time transversal filter |