| Patents for H04B 3 - Line transmission systems (31,523) |
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| 10/09/2007 | US7280943 Systems and methods for separating multiple sources using directional filtering |
| 10/09/2007 | US7280602 Microwave signal edge detector circuit for improved clock recovery |
| 10/09/2007 | US7280590 Receiver termination network and application thereof |
| 10/09/2007 | US7280553 Transceiver and communication method for digital multi carrier communication |
| 10/09/2007 | US7280493 Method for hardware reduction in echo canceller and near-end crosstalk canceller |
| 10/09/2007 | US7280033 Surface wave power line communications system and method |
| 10/09/2007 | US7278289 Apparatus and methods for testing acoustic systems |
| 10/04/2007 | WO2007112423A2 Intelligent audio speakers |
| 10/04/2007 | WO2007112177A2 Method and apparatus for wirelessly streaming multi-channel content |
| 10/04/2007 | WO2007110902A1 Signal bypass apparatus |
| 10/04/2007 | WO2007110229A1 Electrical heating cell conductor and its use |
| 10/04/2007 | WO2007109964A1 A sample channel signal calibrating method for impedance testing and an impedance testing method |
| 10/04/2007 | WO2007109949A1 A method and a device for generating comfort noise in echo cancellation |
| 10/04/2007 | WO2006107584A3 Multi-channel audio switch |
| 10/04/2007 | US20070232226 Digital Broadcast Reception Device |
| 10/04/2007 | US20070230629 Signal detector |
| 10/04/2007 | US20070230551 Jitter measuring circuit |
| 10/04/2007 | US20070229305 Data Communication Over Power Lines |
| 10/03/2007 | EP1841086A1 Power feed system for a transmission network, in particular a submarine transmission network |
| 10/03/2007 | EP1839410A2 Power line network bridge |
| 10/03/2007 | EP1665619B1 Techniques to test transmitted signal integrity |
| 10/03/2007 | EP1419587B1 Dynamic power line access connection |
| 10/03/2007 | CN200956580Y 电力线通讯噪声阻隔装置 Powerline communications device noise barrier |
| 10/03/2007 | CN200956579Y Sticking double twisted line structure for network digital cable |
| 10/03/2007 | CN200956578Y Portable communication broadcasting integrated axis |
| 10/03/2007 | CN101048952A Impedance monitoring system and method |
| 10/03/2007 | CN101047514A Power-receiving patch panel |
| 10/03/2007 | CN101047459A Method for dynamic managing xDSL specturm and its device |
| 10/03/2007 | CN101047439A Radio communication apparatus and radio communication method |
| 10/03/2007 | CN101047406A Connection structure and method for information lamp |
| 10/03/2007 | CN101047405A Method and apparatus for identifying crosstalk sources |
| 10/03/2007 | CN101047404A 高速信号传输架构 High-speed signal transmission architecture |
| 10/03/2007 | CN101047403A Cable segment for communication infrastructure |
| 10/02/2007 | US7277515 Receiver for block code in near-minimum phase channel |
| 10/02/2007 | US7277499 Additive DC component detection included in an input burst signal |
| 10/02/2007 | US7277491 Data access arrangement using a high frequency transformer for electrical isolation |
| 10/02/2007 | US7277478 Method for transmitting data between a base station and a transponder |
| 10/02/2007 | US7277403 Duplexer with a differential receiver port implemented using acoustic resonator elements |
| 10/02/2007 | US7277381 Method of data transmission by orthogonal frequency-division multiplexing |
| 10/02/2007 | US7277104 Video signal skew |
| 10/02/2007 | US7276915 Electrical service monitoring system |
| 09/27/2007 | WO2007108278A1 Power supply line communication apparatus |
| 09/27/2007 | WO2007108125A1 Parameter control circuit |
| 09/27/2007 | WO2007108015A1 Electronic synchronous/asynchronous transceiver device for power line communication networks |
| 09/27/2007 | WO2007107615A1 Device for communications via the electricity mains with filtered auxiliary power outlet |
| 09/27/2007 | US20070225927 Method and an apparatus for measuring noise |
| 09/27/2007 | US20070225581 Signal processing apparatus |
| 09/27/2007 | US20070224931 Communication network for indoor environment |
| 09/27/2007 | US20070223725 Method and apparatus for wirelessly streaming multi-channel content |
| 09/27/2007 | US20070223724 Speaker device, sound reproducing method, and speaker control device |
| 09/27/2007 | US20070223723 Combination low voltage speaker / light fixture |
| 09/27/2007 | US20070223722 Digital power link audio distribution system and components thereof |
| 09/27/2007 | US20070223570 Distortion Compensating Equalizer |
| 09/27/2007 | US20070223407 Far echo rejection for a facsimile modem control channel |
| 09/27/2007 | US20070222637 Medium Voltage Signal Coupling Structure For Last Leg Power Grid High-Speed Data Network |
| 09/27/2007 | US20070222536 Loss compensation circuit |
| 09/27/2007 | US20070222534 Active nonlinear transmission line |
| 09/27/2007 | DE102004030566B4 Heizvorrichtung für einen Fahrzeugsitz Heating device for a vehicle seat |
| 09/27/2007 | CA2647101A1 Device for communications via the electricity mains with filtered auxiliary power outlet |
| 09/26/2007 | EP1837669A1 Signal transmission system, signal output circuit board, signal receiving circuit board, signal output method and signal receiving method |
| 09/26/2007 | EP1836809A2 Data transmission system and data transmission method |
| 09/26/2007 | EP0932964B1 Method and device for blind equalizing of transmission channel effects on a digital speech signal |
| 09/26/2007 | EP0829147B1 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| 09/26/2007 | CN200953558Y Electric source wire chopping communication transmitting-receiving circuit |
| 09/26/2007 | CN200953557Y Rotary drum type stepping attenuater |
| 09/26/2007 | CN101043140A Power supply system and power supplyer |
| 09/26/2007 | CN100340122C Channel estimation method for a mobile communication system |
| 09/26/2007 | CN100340048C Method, system and apparatus for transmission of data on electric network |
| 09/25/2007 | US7274756 Digital signal receiver operating beyond the -3dB frequency |
| 09/25/2007 | US7274737 EHF equalizer implemented with MEMs tap weight controls |
| 09/25/2007 | US7274736 Multiple path equalization for multicarrier systems |
| 09/25/2007 | US7274735 Constellation selection in a communication system |
| 09/25/2007 | US7274733 xDSL modem having adaptive compensating filter of null generated by bridged tap |
| 09/25/2007 | US7274732 Echo cancellation in communication systems with asymmetric data rates |
| 09/25/2007 | CA2266654C Method and device for blind equalizing of transmission channel effects on a digital speech signal |
| 09/20/2007 | WO2007106700A2 Transceiver non-linearity cancellation |
| 09/20/2007 | WO2007106151A2 Method and apparatus for improving the isolation charactertistics of hd radio combiners |
| 09/20/2007 | WO2007106141A2 Universal frequency generation and scaling |
| 09/20/2007 | WO2007104384A2 System for supplying power and data to electrical consumers |
| 09/20/2007 | WO2005041553A3 Fixed filter assembly for proof of performance testing on catv systems |
| 09/20/2007 | US20070218908 Apparatus and method for supporting optimum network reentry procedure in multihop relay broadband wireless access (BWA) communication system |
| 09/20/2007 | US20070217621 Audio reproduction apparatus |
| 09/20/2007 | US20070217489 Hitless Modem Pool Expansion at Steady State |
| 09/20/2007 | DE10314308B4 Chipintegrierte Abschlussvorrichtung und Halbleiterbaustein sowie zugehöriges Steuerverfahren Integrated chip termination device and semiconductor device and associated control method |
| 09/20/2007 | CA2613679A1 Method and apparatus for improving the isolation charactertistics of hd radio combiners |
| 09/19/2007 | EP1835635A2 Transmitting apparatus of digital signals on a supply line of electronic devices and corresponding method |
| 09/19/2007 | EP1835634A1 Power line home network |
| 09/19/2007 | EP1834418A1 Method and apparatus for power line communication |
| 09/19/2007 | EP1400029B1 Method and devices for controlling loads connected to a power line |
| 09/19/2007 | EP1396095B1 Apparatus for providing security on a powerline-modem network |
| 09/19/2007 | CN200950584Y Multiplex radio frequency intercommunication device |
| 09/19/2007 | CN200950583Y High-speed digital transmission platform |
| 09/19/2007 | CN101040512A Echo cancellation |
| 09/19/2007 | CN101040303A Arrangement of daisy chained inductive couplers for data communication |
| 09/19/2007 | CN101039132A Method of distributing gid in PLC network, method of receiving gid in PLC network, apparatus for authorization in PLC network, and PLC device |
| 09/19/2007 | CN101039131A Ocean towed array RF communication and feeding method |
| 09/19/2007 | CN100338883C Wide-band modem hybrid circuit |
| 09/18/2007 | US7272324 Equalization of optical signals |
| 09/18/2007 | US7272187 Filter circuit and radio apparatus |
| 09/18/2007 | US7272177 Demodulation apparatus for a network transceiver and method thereof |