| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 07/29/2004 | US20040146119 Receiver |
| 07/29/2004 | US20040146099 Receiver |
| 07/29/2004 | US20040146002 Method and apparatus for reducing cross-talk with reduced redundancies |
| 07/29/2004 | CA2512428A1 Device for data exchange between a transmitter and a receiver |
| 07/28/2004 | EP1441450A1 Process for the relative locating of two electrical appliances |
| 07/28/2004 | EP1062738B1 Carrying speech-band signals over a power line communications system |
| 07/28/2004 | CN2629346Y Distribution net step voltage carrier communication controlling apparatus |
| 07/28/2004 | CN2629345Y Engine signal double-channel receiving coil |
| 07/28/2004 | CN1516350A Remote safety monitoring system based on power line carrier communication |
| 07/28/2004 | CN1159948C Device and method for processing speech |
| 07/28/2004 | CN1159934C Method and device for moving feedback signal of FR repeater |
| 07/27/2004 | US6768796 System and method for echo cancellation |
| 07/27/2004 | US6768777 Method and apparatus for calculating the number of very high speed digital subscriber line nodes |
| 07/27/2004 | US6768578 Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands |
| 07/27/2004 | US6768517 Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems |
| 07/22/2004 | WO2004062249A1 Voice communications apparatus |
| 07/22/2004 | WO2004062220A1 Receiver |
| 07/22/2004 | WO2004062130A1 Electronic transmission system and method for transmitting data signals |
| 07/22/2004 | WO2004062129A1 Method and device for transmission with reduced crosstalk |
| 07/22/2004 | WO2004045128A3 Method for frequency and loop length grouping for cross-talk reduction in a plurality of dsl channels |
| 07/22/2004 | WO2004028064A3 Electric submersible oil well pump communications |
| 07/22/2004 | US20040142666 Determination of transmitter distortion |
| 07/22/2004 | US20040142599 Power line coupling device and method of using the same |
| 07/22/2004 | US20040141561 Ultra-wideband communication through twisted-pair wire media |
| 07/22/2004 | US20040141471 ADSL communication system having echo canceller and method for downloading filter coefficient of the echo canceller |
| 07/22/2004 | DE202004006693U1 Transmission installation within railway train, or locomotive, for communication signals between exchange and at least one, cable connected associated station suitable for exchange of analog signals |
| 07/22/2004 | DE10261216A1 Coupling circuit for data transmission over power supply network has transformer integrated in or on at least one semiconducting body; signal processing circuit is in form of integrated circuit |
| 07/22/2004 | DE10107441B4 Verfahren zum Charakterisieren von Frequenzumsetzungsvorrichtungen Method for characterizing frequency conversion devices |
| 07/21/2004 | EP1438833A2 Device and method for multichannel acoustic echo cancellation with a variable number of channels |
| 07/21/2004 | EP1438810A2 Method for controlling a plurality of units networked to give a network, and network comprising a plurality of networked units |
| 07/21/2004 | EP1076939B1 Wide-band communication system |
| 07/21/2004 | EP1042861A4 Device and method for detecting pcm upstream digital impairments in a communication network |
| 07/21/2004 | CN1515084A Transmitter/receiver for bidirectional communications |
| 07/21/2004 | CN1514550A Bridge type circuit for inhibiting cho in communiction device |
| 07/20/2004 | US6766021 Echo canceller |
| 07/20/2004 | US6766020 System and method for comfort noise generation |
| 07/20/2004 | US6765971 System method and computer program product for improved narrow band signal detection for echo cancellation |
| 07/20/2004 | US6765967 PCM codec and modem for 56k bi-directional transmission |
| 07/20/2004 | US6765931 Gateway with voice |
| 07/20/2004 | US6765775 Submarine cable branching unit with current limiter |
| 07/20/2004 | US6765479 Magnetic field based power transmission line communication method and system |
| 07/15/2004 | WO2004059866A1 Method and apparatus for echo cancellation using a line card |
| 07/15/2004 | US20040136521 Frequency dependent telecommunication hybrid circuit |
| 07/15/2004 | US20040136463 System and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 07/15/2004 | US20040136453 Demodulation apparatus for a network transceiver and method thereof |
| 07/15/2004 | US20040136450 Method for decomposing timing jitter on arbitrary serial data sequences |
| 07/15/2004 | US20040136393 Process for multiple access and multiple transmission of data in a multi-user system for the point to multipoint digital transmission of data over the electricity network |
| 07/15/2004 | US20040136054 Method for gain equalization, and device and system for use in carrying out the method |
| 07/15/2004 | DE4333358B4 Schaltungsanordnung zur Informationsübertragung auf einer Zweidrahtleitung Circuitry for transmitting information on a two-wire line |
| 07/14/2004 | EP1437870A1 Repeater for interfacing between twisted pair lines |
| 07/14/2004 | EP1437840A2 Submarine cable branching unit |
| 07/14/2004 | EP1436908A2 Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency |
| 07/14/2004 | CN1513247A Method for estimating transfer function of multicarrier signal transmission channel and corresponding receiver |
| 07/14/2004 | CN1513246A Pre-equalizer correcting magnitude of received signal without regard to phase distortions |
| 07/14/2004 | CN1157908C Digit signal receiver and method for receiving digit signal |
| 07/14/2004 | CN1157860C Echo and distortion caucellation arrangement |
| 07/14/2004 | CN1157856C Receiver with adaptive equalizer and base line drift compensator |
| 07/13/2004 | US6763381 Supervisory control system |
| 07/13/2004 | US6763076 Equalizing and decoding device for a frequency-selective digital transmission channel |
| 07/13/2004 | US6762998 Access network system |
| 07/13/2004 | CA2141441C Polarity reversing dc power supply for remotely located equipment |
| 07/13/2004 | CA2101944C Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
| 07/08/2004 | WO2004057772A2 Power line communication capacitor filter |
| 07/08/2004 | WO2004023672A3 Adapting operation of a pilot signal filter based on mobile unit velocity |
| 07/08/2004 | WO2003021195B1 Two wire output/power mechanism for remote devices |
| 07/08/2004 | WO2002091571A9 Method and apparatus for reducing electromagnetic radiation |
| 07/08/2004 | US20040131123 Balanced transmission apparatus |
| 07/08/2004 | US20040131113 Zero crossing method of symbol rate and timing estimation |
| 07/08/2004 | US20040130413 Power supply system and method using analog coupling circuitry for power-line communications |
| 07/08/2004 | DE10315831A1 House communications and automation system has optical data bus routed with mains power supply |
| 07/08/2004 | DE10301317A1 Elektronisches Übertragungssystem und Verfahren zum Übertragen von Datensignalen Electronic transfer system and method for transmitting data signals |
| 07/08/2004 | DE10260747A1 Connector for joining personal computer to powerline system, has cable directly connected to plug for connection of modem of input-output of data via power supply network |
| 07/07/2004 | EP1435141A2 Arrangement for connecting a powerline data transmission device or a repeater in a live low-voltage mains network |
| 07/07/2004 | CN2624530Y 电力线广播 Powerline broadcast |
| 07/07/2004 | CN2624469Y Electric power unit for network adapter having built-in main lead |
| 07/07/2004 | CN1511383A Device for inductive transmission of electrical power |
| 07/07/2004 | CN1511382A Synchronisation method for uplink channel in point-to-multipoint communicaiton with OFDM modulation |
| 07/07/2004 | CN1510891A Echo check and monitor |
| 07/07/2004 | CN1157040C Echo eliminator |
| 07/07/2004 | CN1157036C Equalizing method and apparatus in radio receiver |
| 07/07/2004 | CN1157015C Double andio and multi-frequency transmission device for wideband CDMA system and its method |
| 07/07/2004 | CN1156997C Radio communication equipment |
| 07/06/2004 | US6760801 Ground referenced voltage source input/output scheme for multi-drop bus |
| 07/06/2004 | US6760436 Echo canceling apparatus determining dynamically changing echo component |
| 07/06/2004 | US6760435 Method and apparatus for network speech enhancement |
| 07/06/2004 | US6760384 Method for the distribution of information |
| 07/06/2004 | US6760368 Fast retraining method, apparatus, and storage medium in an xDSL transceiver |
| 07/06/2004 | US6759946 Home appliances network |
| 07/01/2004 | WO2004056004A1 Relay apparatus with built-in power line communication modem |
| 07/01/2004 | WO2004056003A1 Cable-testing adapter |
| 07/01/2004 | WO2004055996A2 Fault characterization using information indicative of echo |
| 07/01/2004 | WO2004055994A2 A power line communication system and method of using the same |
| 07/01/2004 | WO2004034078A3 A high speed data link with transmitter equalization and receiver equalization |
| 07/01/2004 | WO2004017911A3 Protease inhibitors |
| 07/01/2004 | WO2003081394A3 Meter monitoring and tamper protection system and method |
| 07/01/2004 | US20040128609 Communication device and communication method immune to burst error, program for executing the method, and computer-readable storage medium storing the program |
| 07/01/2004 | US20040125945 Dual echo canceller with fast reflector identification |
| 07/01/2004 | US20040125943 Route delay sensitive echo cancellation |
| 07/01/2004 | US20040125873 Method for estimating doppler frequency |
| 07/01/2004 | US20040125871 xDSL modem having adaptive compensating filter of null generated by bridged tap |