| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 05/10/2001 | CA2289275A1 A system and method for echo cancellation |
| 05/09/2001 | EP1098463A1 Digital subscriber's line transmitting method and device |
| 05/09/2001 | EP1098458A2 An apparatus and a method for locating a fault of a transmission line |
| 05/09/2001 | EP1098313A2 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer |
| 05/09/2001 | EP1098312A2 Waveform equalizer |
| 05/09/2001 | EP1097562A1 Digital adaptive filter and acoustic echo canceller using the same |
| 05/09/2001 | EP1097561A1 Acoustic echo canceller |
| 05/09/2001 | EP1097521A1 Network amplifier monitoring circuit |
| 05/09/2001 | CN1294814A Methods and appts. for controlling echo suppression in communications systems |
| 05/09/2001 | CN1294808A Communication device and method of eliminating interference in this communication device |
| 05/09/2001 | CN1294790A Adaptive equalizer and adaptive equalizing method |
| 05/08/2001 | US6229855 Adaptive transmitter for digital transmission |
| 05/08/2001 | US6229847 Signal quality measurement device |
| 05/08/2001 | US6229432 Intelligent transceiver module particularly suited for power line control systems |
| 05/03/2001 | WO2001031890A2 Method and apparatus for delay-line time-domain reflectometry |
| 05/03/2001 | WO2001031866A2 Baseband processor with look-ahead parameter estimation capabilities |
| 05/03/2001 | WO2001031806A1 Data power line network |
| 05/03/2001 | WO2001031805A1 Universal switch interface |
| 05/03/2001 | WO2001031410A1 Yarn processing system |
| 05/03/2001 | WO2000070749A8 Broadcast transmission system with distributed correction |
| 05/03/2001 | US20010000705 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system |
| 05/03/2001 | DE19947094A1 Verfahren und Empfangsanordnung zur Erhöhung der Übertragungsreichweite bei einer Übertragung von Signalen im Basisband Process and receiving device for increasing the transmission range during a transmission of signals in the baseband |
| 05/03/2001 | CA2324039A1 Method for equalizing the propagation delays and optimizing the power level in a radio communication system |
| 05/02/2001 | EP1096748A1 Digital modulation signal measuring device and method capable of evaluating spectrum of noise component |
| 05/02/2001 | EP1096746A2 Error estimation function to update a blind equalizer |
| 05/02/2001 | EP1096702A2 Branching unit and system for underwater optical communication |
| 05/02/2001 | EP1096695A1 Multichannel transceiver of digital signals over power lines |
| 05/02/2001 | EP1095463A1 Suppression of rfi and impulse noise in communications channels |
| 05/02/2001 | CN1293836A Power line carrier data link with embedded modem in base unit |
| 05/02/2001 | CN1293814A Adpative equalizing circuit |
| 05/01/2001 | US6226380 Method of distinguishing between echo path change and double talk conditions in an echo canceller |
| 05/01/2001 | US6226356 Method and apparatus for power regulation of digital data transmission |
| 05/01/2001 | US6226332 Multi-pair transceiver decoder system with low computation slicer |
| 05/01/2001 | US6226330 Eigen-mode encoding of signals in a data group |
| 05/01/2001 | US6226322 Analog receive equalizer for digital-subscriber-line communications system |
| 05/01/2001 | US6225926 Intermittent digital demodulation apparatus having reduced waiting time period |
| 05/01/2001 | US6225759 Method and apparatus for controlling lights |
| 05/01/2001 | CA2228121C Noise canceller |
| 05/01/2001 | CA2208942C Sub-band echo canceller using optimum wavelet packets and cross-band cancellation |
| 05/01/2001 | CA2201013C Echo canceller |
| 05/01/2001 | CA2180311C Soft-decision receiver and decoder for digital communication |
| 04/26/2001 | WO2001030029A2 Method for the transmission of signals in a bus system, superposed on a direct supply voltage |
| 04/26/2001 | WO2001030011A1 An adaptive digital beamforming receiver to improve signal reception |
| 04/26/2001 | WO2001029983A1 Receiver for multiuser detection of cdma signals |
| 04/26/2001 | US20010000424 Crosstalk test unit and method of calibration |
| 04/25/2001 | EP1094617A2 Method and apparatus for providing power to a device over a network transmission medium |
| 04/25/2001 | EP1094616A2 Echo canceller with quadrature filter implementation |
| 04/25/2001 | EP1093609A1 Method and apparatus for digital subscriber loop qualification |
| 04/25/2001 | CN1292617A Echo cancelltion method and device |
| 04/25/2001 | CN1292607A Repeater, monitor equipment, repeater system control method and monitoring method |
| 04/24/2001 | US6223154 Using vocoded parameters in a staggered average to provide speakerphone operation based on enhanced speech activity thresholds |
| 04/24/2001 | US6222877 Method for performance monitoring of data transparent communication links |
| 04/24/2001 | US6222876 Detecting valid data patterns for adapting equalization gain and offset for data transmissions |
| 04/24/2001 | US6222843 Providing services in a telecommunications network |
| 04/24/2001 | CA2090297C Adaptive noise reduction circuit for a sound reproduction system |
| 04/19/2001 | WO2001028215A1 Digital multi-line telephone jack |
| 04/19/2001 | WO2001028133A2 Method and device for continuously monitoring an optical transmission path |
| 04/19/2001 | DE19949401A1 Verfahren und Einrichtung zur kontinuierlichen Überwachung einer optischen Übertragungsstrecke Method and apparatus for continuously monitoring an optical transmission line |
| 04/19/2001 | CA2388059A1 Method and device for continuously monitoring an optical transmission path |
| 04/18/2001 | EP1093284A2 Method and apparatus for cancelling echo |
| 04/18/2001 | EP1093248A1 Symbol synchronisation in a DMT system with crosstalk interference |
| 04/18/2001 | EP1093239A1 Method and apparatus for quality evaluation of cable circuit |
| 04/18/2001 | EP0800735B1 Adaptive equalization for priv transmission systems |
| 04/17/2001 | US6219418 Adaptive dual filter echo cancellation method |
| 04/17/2001 | US6219379 VSB receiver with complex equalization for improved multipath performance |
| 04/17/2001 | US6219176 Method for gain equalization, and device and system for use in carrying out the method |
| 04/17/2001 | US6218931 Home-appliance network with nodes identified by direct-sequence spreading codes |
| 04/17/2001 | CA2057187C Receiver comprising at least two receive branches |
| 04/12/2001 | WO2001026314A2 Method for channel equalisation by means of givens rotation of a data matrix |
| 04/12/2001 | WO2001026268A1 Communication method and communication device |
| 04/12/2001 | US20010000219 Demodulator for a multi-pair gigabit transceiver |
| 04/12/2001 | DE19946762A1 Subscriber terminal group operating characteristics measuring method |
| 04/12/2001 | DE19934335C1 Anpaßschaltung für Wellenwiderstände Matching circuit for impedances |
| 04/12/2001 | CA2350203A1 Method of and device for communication |
| 04/11/2001 | EP1090503A1 An image transfer device |
| 04/11/2001 | EP1090303A1 Method and device for monitoring an electrode line of a bipolar high voltage direct current (hvdc) transmission system |
| 04/11/2001 | CN1291388A Speed detection in direct sequence CDMA system |
| 04/11/2001 | CN1291006A Method for measuring work property of user's interface unit of high bit speed data transport |
| 04/10/2001 | USRE37130 Signal conditioning apparatus |
| 04/10/2001 | US6215880 Two-wire conference apparatus with echo canceler without training |
| 04/10/2001 | US6215855 Loop certification and measurement for ADSL |
| 04/10/2001 | US6215832 Maximum likelihood sequence estimation receiver and method of receiving maximum-likelihood sequence estimates |
| 04/10/2001 | US6215816 Physical layer interface device |
| 04/10/2001 | US6215437 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure |
| 04/10/2001 | US6215431 Droop-free quasi-continuous reconstruction filter interface |
| 04/10/2001 | US6215354 Closed loop calibration for an amplitude reconstruction amplifier |
| 04/10/2001 | CA2205926C Echo cancelling arrangements |
| 04/10/2001 | CA2162570C Echo canceler and echo path estimating method |
| 04/05/2001 | WO2001024492A1 Detecting faults in subscriber telephone lines |
| 04/05/2001 | WO2001024491A1 Improved method for determining subscriber loop make-up |
| 04/05/2001 | WO2001024490A1 Subscriber line qualification with numeral networks with respect to data transmission characteristics |
| 04/05/2001 | WO2001024482A1 System and circuitry for measuring echoes on subscriber loops |
| 04/05/2001 | WO2001024403A1 Communication terminal and radio communication method |
| 04/05/2001 | WO2001024391A1 Method and receiving device for increasing the transmission range in baseband transmission of signals |
| 04/05/2001 | WO2000062439A3 Method and device for transmitting a transmission signal via a two-core line |
| 04/05/2001 | WO2000042715A3 Variable equalizer |
| 04/05/2001 | DE19941658A1 Filter for telecommunications technology has low pass filter, overvoltage protection device for input and output, enabling filter to be installed directionally independently |
| 04/04/2001 | EP1089508A1 Device for clock recovery using a fixed equalizer |
| 04/04/2001 | EP1089453A1 Level control of the signal produced by a transceiver coupled to a power distribution line |
| 04/04/2001 | EP1089450A2 Telephone line interface circuit and method |