Patents for H04B 3 - Line transmission systems (31,523) |
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01/17/2001 | EP1069752A2 Method and circuit for echo cancellation in a telecommunication system with non linear transmission paths |
01/17/2001 | EP1069740A2 Synchronisation method for multicarrier transmission |
01/17/2001 | EP1069732A2 Communication equipment realizing easy communication between apparatus |
01/17/2001 | EP1069701A2 Remote powering coupler |
01/17/2001 | EP1069700A2 Echo cancellation for an ADSL modem |
01/17/2001 | EP1069699A1 A bidirectional loss/slope equalizer arrangement |
01/17/2001 | EP1068676A1 Gigabit ethernet transceiver |
01/17/2001 | EP1068675A1 A method and an arrangement in an analog line interface circuit |
01/17/2001 | CN1280445A 数字符号定时恢复网络 Digital symbol timing recovery network |
01/17/2001 | CN1280434A Digit signal receiver and method for receiving digit signal |
01/17/2001 | CN1280430A Communication equipment for realizing simple communication between devices |
01/17/2001 | CN1280417A Automatic gain controller and method and commcnication equipment with said control function |
01/16/2001 | US6175860 Method and apparatus for an automatic multi-rate wireless/wired computer network |
01/16/2001 | US6175588 Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system |
01/16/2001 | US6175558 CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device |
01/16/2001 | US6175556 Remote powered ethernet repeater |
01/16/2001 | CA2250958C Method and apparatus for reducing power dissipation in dc termination circuit |
01/13/2001 | CA2277534A1 Combined xdsl and voice line card |
01/11/2001 | WO2001003396A2 Equalization with dc-offset compensation |
01/11/2001 | WO2001003393A1 Power efficient equalization |
01/11/2001 | WO2001003323A1 Power line communication system |
01/11/2001 | WO2001003322A1 Power control for dsl modems in splitterless environment |
01/11/2001 | WO2001003317A1 Coded domain adaptive level control of compressed speech |
01/11/2001 | WO2001003316A1 Coded domain echo control |
01/11/2001 | WO2001002929A2 Coded domain noise control |
01/11/2001 | CA2378062A1 Coded domain adaptive level control of compressed speech |
01/11/2001 | CA2378035A1 Coded domain noise control |
01/11/2001 | CA2378012A1 Coded domain echo control |
01/10/2001 | EP1067709A1 Adaptive equalizer and adaptive equalizing method |
01/10/2001 | EP1067683A1 Electrical clipper |
01/10/2001 | EP1067681A2 Automatic gain control device and method, and radio communication apparatus having the automatic gain control function |
01/10/2001 | EP1066690A2 Method for controlling at least one electric consumer connected to a control device, and a corresponding circuit |
01/10/2001 | CN2414551Y Low-voltage carrier channel compensator |
01/10/2001 | CN2414550Y Integrated high-frequency power synthesizing and distributing apparatus |
01/10/2001 | CN1279848A Crosstalk reduction in a bidirectional optical link |
01/09/2001 | US6173058 Sound processing unit |
01/09/2001 | US6172992 Measuring device for the interface of a transmission link with full-duplex transmission in two-wire common band operation |
01/09/2001 | US6172969 CDMA receiver employing successive cancellation of training-signal interference |
01/09/2001 | US6172615 Communicator for field instruments and method of supplying power to this communicator |
01/09/2001 | US6172597 Electricity distribution and/or power transmission network and filter for telecommunication over power lines |
01/09/2001 | US6172565 Adaptive joint linearization, equalization and delay alignment for a wideband power amplifier |
01/09/2001 | US6172539 Synchronous buffer circuit and data transmission circuit having the synchronous buffer circuit |
01/09/2001 | US6172517 Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission |
01/09/2001 | US6172491 Remote feeding device |
01/04/2001 | WO2001001665A2 Host-based speaker phone |
01/04/2001 | WO2001001645A1 Circuit and method for galvanically separate broadband transmission |
01/04/2001 | WO2001001597A1 Qualifying telephone lines for data transmission |
01/04/2001 | WO2001001571A1 Acoustic echo and noise cancellation |
01/04/2001 | WO2001001516A1 Electromagnetic field in a communications system for wireless networks |
01/04/2001 | WO2001001158A1 Single ended measurement method and system for determining subscriber loop make up |
01/04/2001 | DE19930358A1 Schaltungsanordnung zur Signalkopplung zwischen Schaltungsteilen mit voneinander getrennten Versorgungsleitungen Circuitry for signal coupling between circuit elements with separate supply lines |
01/04/2001 | CA2639038A1 Qualifying telephone lines for data transmission |
01/03/2001 | EP1065818A1 Transmitting method and transmitting device |
01/03/2001 | EP1065105A1 Circuit for coupling signals between circuit parts having separated power lines |
01/03/2001 | EP0980151B1 Method for measuring attenuation in digital transmission lines |
01/03/2001 | EP0667067B1 Transmission network and filter therefor |
01/03/2001 | CN2413438Y Programmable exchange user interface circuit |
01/03/2001 | CN1278699A Method for compensating echo in telecommunication system and circuit arrangement |
01/03/2001 | CN1278678A Satellite clock time system transmitted as carrier in low-voltage electric distribution network |
01/02/2001 | US6169996 Remote observation system having transmission line for isolating local area network at data gathering site from remote monitoring site, and having provision for data request from remote monitoring site via the transmission line |
01/02/2001 | US6169785 Apparatus and method for testing subscriber line |
01/02/2001 | CA2187645C Tx preemphasis filter and tx power control based high speed two-wire modem |
01/01/2001 | CA2396245A1 Method and apparatus for canceling echo |
01/01/2001 | CA2396244A1 Method and apparatus for canceling echo |
12/28/2000 | WO2000079697A1 Wireless local distribution system using standard power lines |
12/28/2000 | DE19928045A1 Echo compensation of telecommunications system with non-linear transmission paths involves mounting suppression device in transcoder, emulating echo path non-linear component |
12/28/2000 | DE19927203A1 Verfahren zur Beeinflussung der Übertragung von Informationssignalen in einem interaktiven Kommunikationsnetzwerk Method for influencing the transmission of information signals in an interactive communications network |
12/28/2000 | CA2375884A1 Wireless local distribution system using standard power lines |
12/27/2000 | EP1063822A2 Blind equalization algorithm with joint use of the constant R and the sliced symbols |
12/27/2000 | EP1062845A1 Apparatus for and method of transmitting and receiving data over a low voltage power distribution system |
12/27/2000 | EP1062739A1 Telecommunications signal coupler apparatus and method |
12/27/2000 | EP1062738A1 Carrying speech-band signals over a power line communications system |
12/27/2000 | EP1062737A1 Method for setting up echo suppression devices in communication links with automatic machines |
12/27/2000 | EP1062734A1 Power line carrier data link with embedded modem in base unit |
12/27/2000 | EP1062717A1 Network coupling device and method |
12/27/2000 | CN1278382A Method for joint equalization and detection of multiple user signals |
12/27/2000 | CN1060002C Composite wave filter |
12/26/2000 | US6167278 Combination cordless-cellular telephone system |
12/26/2000 | US6167133 Echo detection, tracking, cancellation and noise fill in real time in a communication system |
12/26/2000 | US6166836 Power switching of optical fibre cable branching units |
12/26/2000 | US6166760 Ingress noise measuring device in data communication network using CATV network |
12/22/2000 | CA2310999A1 The blind equalization algorithm with joint use of the constant r and the sliced symbols |
12/21/2000 | WO2000077996A1 Method and system for detection of binary information in the presence of slowly varying disturbances |
12/21/2000 | WO2000077994A1 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel |
12/21/2000 | WO2000030308A3 Equalizer for multi-pair gigabit ethernet |
12/20/2000 | EP1061765A2 Access network management system |
12/20/2000 | EP1061666A1 Method to influence the transmission of information signals in an interactive communication network |
12/20/2000 | EP1061644A1 Amplifier for distribution in a network |
12/20/2000 | EP1060610A1 Echo canceller employing dual-h architecture having split adaptive gain settings |
12/20/2000 | EP1060609A1 Echo canceller employing dual-h architecture having improved double-talk detection |
12/20/2000 | EP1060608A1 Echo canceller employing dual-h architecture having improved coefficient transfer |
12/20/2000 | EP1060574A2 A differential line driver |
12/20/2000 | CN1277472A Intensified communication connector with crosstalk compensation |
12/19/2000 | US6163609 System and method for echo cancelling and mobile communications device |
12/19/2000 | US6163608 Methods and apparatus for providing comfort noise in communications systems |
12/19/2000 | US6163578 Bus station and bus system |
12/19/2000 | US6163570 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system |
12/19/2000 | US6163084 Cable branching unit |
12/19/2000 | CA2217323C Branching unit for an optical fibre transmission system |
12/19/2000 | CA2073918C Method and apparatus for updating coefficients in a complex adaptive equalizer |