Patents for H04B 3 - Line transmission systems (31,523) |
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06/13/2001 | DE19955596A1 Vorrichtung und Verfahren zur Echokompensation bei Gleichlage-Übertragungsverfahren im Duplex-Betrieb über eine Zweidrahtleitung Apparatus and method for echo cancellation in equal position transmission method in duplex mode via a two-wire line |
06/13/2001 | CN1299557A Data processing device |
06/13/2001 | CN1299217A Wave shape equalizer, mobile station, base station and mobile communication system |
06/13/2001 | CN1299198A Double sound frequency transmission structure for wideband code multiplex radio local loop system |
06/13/2001 | CN1299192A Device for eleminatingecho |
06/13/2001 | CN1299188A Method for implementating multi-rate digital filter group |
06/13/2001 | CN1067179C Reducing crosstalk connector |
06/12/2001 | USRE37223 Dynamic equalizing |
06/12/2001 | US6246868 Conversion and distribution of incoming wireless telephone signals using the power line |
06/12/2001 | US6246760 Subband echo cancellation method for multichannel audio teleconference and echo canceller using the same |
06/12/2001 | US6246721 Termination structure based on the cancellation of the reflected wave |
06/12/2001 | US6246717 Measurement test set and method for in-service measurements of phase noise |
06/12/2001 | US6246716 Information communication system |
06/12/2001 | CA2146578C Hands-free speaking device with echo canceler |
06/07/2001 | WO2001041383A2 Code shift keying transmitter for use in a spread spectrum communications system |
06/07/2001 | WO2001041334A1 Method and apparatus for suppressing acoustic background noise in a communication system |
06/07/2001 | WO2001041325A2 Telecommunication system |
06/07/2001 | WO2001041324A1 Method for qualifying a loop for dsl service |
06/07/2001 | WO2001040929A1 Method of linking authorized users to a plurality of devices |
06/07/2001 | WO2001028133A3 Method and device for continuously monitoring an optical transmission path |
06/07/2001 | US20010002923 Multi-pair tranceiver decoder system with low computation slicer |
06/07/2001 | US20010002903 DTMF transmission structure of W-CDMA WLL system |
06/07/2001 | US20010002864 Device for transmitting and receiving optical signals |
06/07/2001 | DE10008602A1 Data processing apparatus such as personal computer, printer etc. |
06/07/2001 | CA2393131A1 Method of linking authorized users to a plurality of devices |
06/07/2001 | CA2327813A1 Information terminal and information terminal system |
06/06/2001 | EP1104599A1 Conversion and distribution of incoming wireless telephone signals using the power line |
06/06/2001 | CN1298575A Distribution system for external communication signals and data |
06/06/2001 | CA2327209A1 Method and device for echo cancelling |
06/05/2001 | US6243571 Method and system for distribution of wireless signals for increased wireless coverage using power lines |
06/05/2001 | US6243462 Echo canceller and method of controlling the same |
06/05/2001 | US6243413 Modular home-networking communication system and method using disparate communication channels |
06/05/2001 | US6243411 Infinitely expandable Ethernet network repeater unit |
06/05/2001 | CA2233522C Blind training of a decision feedback equalizer |
05/31/2001 | WO2001039531A1 A digital communication receiver containing a channel tracker and a method for the operation thereof |
05/31/2001 | WO2001039448A1 Methods, receiver devices and systems for whitening a signal disturbance in a commmunication signal |
05/31/2001 | WO2001039446A1 Multichannel adaptive equaliser |
05/31/2001 | WO2001039389A1 Communication method and communication device |
05/31/2001 | WO2001039384A1 Signal level adjustment arrangement |
05/31/2001 | WO2001039032A1 Method for design and implementation of fixed-point filters for control and signal processing |
05/31/2001 | DE19957221A1 Exponentielle Echo- und Geräuschabsenkung in Sprachpausen Exponential echo and noise reduction in speech pauses |
05/31/2001 | CA2359023A1 Method of and system for communication |
05/30/2001 | EP1104116A2 Method and apparatus for echo cancellation with self-deactivation |
05/30/2001 | EP1103956A2 Exponential reduction of echo and noise during speech pauses |
05/30/2001 | EP1103496A2 Roller track of a logistical system |
05/30/2001 | EP1103139A1 Methods and apparatus for mitigating the effects of microphone overload in echo cancelation systems |
05/30/2001 | EP1103138A1 Device for digital processing with frequency filtering and reduced computation complexity |
05/30/2001 | EP0999955B1 System for transmitting data in a motor vehicle |
05/30/2001 | CN1297289A Spread spectrum communication transceiver using three-phase power transmission lines of low-voltage distribution network |
05/30/2001 | CN1066594C Correcting system for long-distance video cable transmission |
05/29/2001 | US6240434 Finite impulse response circuit and disk unit |
05/29/2001 | US6240180 Echo canceller employing dual-H architecture having split adaptive gain settings |
05/29/2001 | US6240131 Digitally controlled transmission line equalizer |
05/29/2001 | US6240128 Enhanced echo canceler |
05/29/2001 | US6239667 Attenuation equalizer for transmission lines |
05/25/2001 | WO2001037535A1 Home network using power line carrier communications |
05/25/2001 | WO2001037445A1 Power and data communications transmission system |
05/25/2001 | WO2001037444A1 Device and method for echo compensation in a two-wire full duplex channel transmission method |
05/25/2001 | WO2001037438A1 Highly reliable power line communications system |
05/25/2001 | WO2000072557A3 Advanced double-talk detector |
05/25/2001 | CA2390945A1 Highly reliable power line communications system |
05/23/2001 | EP1102215A2 Data transmission apparatus and data reception apparatus |
05/23/2001 | EP1102090A2 Position control device for an underwater cable |
05/23/2001 | EP1101348A1 Magnetic field based power transmission line communication method and system |
05/23/2001 | EP1101334A1 Dynamic sampling of a transmission channel |
05/23/2001 | CN1296693A Method for processing telephone signals delivered by analog telephone terminal and processing data delivered by data terminal |
05/23/2001 | CN1296682A Transmitting method and transmitting device |
05/23/2001 | CN1296673A Method and arrangement in analog line interface circuit |
05/23/2001 | CN1296585A Method and apparatus for universal data exchange gateway |
05/23/2001 | CN1296262A Wave shape equalizer |
05/22/2001 | US6236872 Signal processing apparatus |
05/22/2001 | US6236725 Echo canceler employing multiple step gains |
05/22/2001 | US6236714 Transmit power control for DSL modems in splitterless environment |
05/22/2001 | US6236645 Apparatus for, and method of, reducing noise in a communications system |
05/17/2001 | WO2001035624A1 absYSTEM AND METHOD FOR ECHO CANCELLATION |
05/17/2001 | WO2001035614A1 Method and apparatus for the prediction and optimization in impaired communication systems |
05/17/2001 | WO2001035611A1 Method and apparatus for cooperative diagnosis of impairments and mitigation of disturbers in communication systems |
05/17/2001 | WO2001035610A1 Method for controlling dsl transmission power |
05/17/2001 | WO2001035609A1 Method and apparatus for impairment diagnosis in communication systems |
05/17/2001 | WO2001035608A1 Method and apparatus for mitigation of disturbers in communication systems |
05/17/2001 | WO2001035607A1 Design and architecture of an impairment diagnosis system for use in communications systems |
05/17/2001 | WO2001035606A1 Non-contact signal analyzer |
05/17/2001 | WO2001035544A1 Communication system, especially for indoors |
05/17/2001 | DE19948373A1 Verfahren zur Kanalentzerrung Method for channel equalization |
05/17/2001 | DE19849111C1 Data transmission over power lines involves using 3-phase TDD transmission method with division of total number of channels into two groups with fixed direction allocation |
05/17/2001 | CA2387968A1 Communication system, especially for indoors |
05/16/2001 | EP0917769B1 Power line communications |
05/16/2001 | CN1295330A Reproducing Device and method for improving performance of data using regulating filter coefficient of equalizer |
05/15/2001 | US6233558 Method and apparatus for simultaneous tracing of multiple transmission lines |
05/15/2001 | US6233284 High speed communications system for analog subscriber connections |
05/15/2001 | US6233275 High speed communications system for analog subscriber connections |
05/15/2001 | US6232678 Electronic appliance |
05/10/2001 | WO2001033823A1 Subscriber line test system |
05/10/2001 | WO2001033814A1 Integrated voice processing system for packet networks |
05/10/2001 | WO2001033753A1 Method for equalizing the propagation delays and optimizing the power level in a radio communication system |
05/10/2001 | WO2001033730A1 Echo compensation device |
05/10/2001 | WO2001033712A1 System and methods for multimode operation of a digital filter with shared resources |
05/10/2001 | DE19951506A1 Roller track for logistic system has power supplied to drives of the rollers with drive motors and information supplied to information processing units with very low cabling costs |
05/10/2001 | DE19950655A1 Verfahren zur auf eine Versorgungsgleichspannung aufgelagerten Signalübertragung in einem Bussystem A process for superimposed on a DC supply voltage signal transmission in a bus system |
05/10/2001 | CA2390200A1 Integrated voice processing system for packet networks |