| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/14/2009 | EP2013955A2 Two-wire adapter |
| 01/14/2009 | EP1668787A4 Method and apparatus for electrically adjusting delay in radio-frequency systems |
| 01/14/2009 | EP1221219B1 Equalising method in receivers using a combination of multiple carrier and code division multiple access modulating techniques |
| 01/14/2009 | CN101346897A Echo canceller |
| 01/14/2009 | CN101346896A Echo suppressing method and device |
| 01/14/2009 | CN101346895A Echo suppressing method and device |
| 01/14/2009 | CN101345553A Cable diagnosis system, method and system for configuring Ethernet port |
| 01/14/2009 | CN101345552A Power optimization method, system and device based on digital subscriber line |
| 01/14/2009 | CN101345551A Communication network of earth surface electromagnetic wave induction |
| 01/14/2009 | CN101345378A Power supply and communication equipment |
| 01/14/2009 | CN100452901C Transmission method for intermediate frequency pulled distant subsystem of TD-SCDMA base station |
| 01/14/2009 | CN100452729C Network diagnostic method |
| 01/13/2009 | US7477685 Method and systems for analyzing the quality of high-speed signals |
| 01/13/2009 | US7477684 Testing method, communication device, and testing system |
| 01/13/2009 | US7477615 Transceiver, data transfer control device, and electronic instrument |
| 01/13/2009 | US7477591 Data slicer of dynamically adjusting slice level |
| 01/13/2009 | US7477069 Digital method and device for transmission with reduced crosstalk |
| 01/08/2009 | WO2005091980A3 Coaxial communication active tap device and distribution system |
| 01/08/2009 | US20090013205 Information Leakage Prevention Apparatus and Information Leakage Prevention Method |
| 01/08/2009 | US20090010445 Echo suppressor, echo suppressing method, and computer readable storage medium |
| 01/08/2009 | US20090010444 Method and device for personalized voice operated control |
| 01/08/2009 | US20090009301 Tactile feedback device |
| 01/08/2009 | US20090007458 Vibrating footwear device and entertainment system for use therewith |
| 01/07/2009 | EP2012430A1 System identifying method and program, storage medium, and system identifying device |
| 01/07/2009 | EP2011376A1 Circuit module and power line communication apparatus |
| 01/07/2009 | EP1687898B1 Electrical signalling system |
| 01/07/2009 | EP1273068B1 Guides for rf magnetic flux |
| 01/07/2009 | CN100450323C Streetlight system controlling mode |
| 01/07/2009 | CN100450322C Streetlight system power supply communication signal relay transmission mode |
| 01/07/2009 | CN100450172C High clarity TV balancer and its balancing method |
| 01/07/2009 | CN100449940C Blind equalizing method of high resolution TV signal |
| 01/06/2009 | US7474737 Telecommunications test plugs having tuned near end crosstalk |
| 01/06/2009 | US7474706 Method of transmitting data |
| 01/06/2009 | US7474704 Method and apparatus for current sharing ethernet power across four conductor pairs |
| 01/06/2009 | US7474694 Methods, devices and computer program products for adaptively adjusting passbands of high-pass filters of asymmetric digital subscriber link (ADSL) modems |
| 01/06/2009 | US7474198 Manual interface including an actuation block and train of articulated segments |
| 01/06/2009 | US7474150 Amplifier composite triple beat (CTB) reduction by phase filtering |
| 01/06/2009 | US7474015 Method and supply line structure for transmitting data between electrical automotive components |
| 01/06/2009 | CA2307073C Combination monitoring device and patch for a pneumatic tire and method of installing the same |
| 01/02/2009 | DE19882141B4 Adaptive Doppelfilter-Echolöschung Adaptive dual filter echo cancellation |
| 01/02/2009 | DE112006003744T5 Einrichtung für ein Fahrzeug und ein Kommunikationsschnittstellen-Schaltkreis zur Verwendung in dieser Einrichtung Means for a vehicle and a communication interface circuit for use in this device |
| 01/02/2009 | DE10329661B4 Adaptiver Sendeentzerrer Adaptive Sendeentzerrer |
| 01/02/2009 | DE102004047718B4 Verfahren und Empfängerschaltung zur Reduzierung von RFI-Störungen Method and receiver circuit to reduce RFI |
| 01/01/2009 | US20090003620 Dynamic routing of audio among multiple audio devices |
| 01/01/2009 | US20090003619 Computer controlled amplifier and speaker system with power conservation feature |
| 01/01/2009 | US20090003615 Audio System Providing For Filter Coefficient Copying |
| 01/01/2009 | US20090003464 Differential transmission line connector |
| 01/01/2009 | US20090003463 Output buffer circuit, signal transmission interface circuit and apparatus |
| 01/01/2009 | US20090003424 Ic Testing Methods and Apparatus |
| 01/01/2009 | US20090003423 Frequency Offset Estimation Apparatus and Method in Wireless Communication System |
| 01/01/2009 | US20090003422 Methods and systems for detecting repetitive synchronized signal events |
| 01/01/2009 | US20090003385 Tx evm improvement of ofdm communication system |
| 01/01/2009 | US20090002140 Haptic Computer Interface |
| 01/01/2009 | US20090002136 Method of Communication Utilizing Power Line |
| 01/01/2009 | US20090002076 Signal waveform equalizer circuit and receiver circuit |
| 12/31/2008 | WO2009001566A1 Radio transmission device, radio reception device, and precoding method |
| 12/31/2008 | WO2009000947A1 Single-port signal repeater |
| 12/31/2008 | WO2009000869A1 Distributor power line communication system |
| 12/31/2008 | WO2008137059A3 Methods and systems for reducing acoustic echoes in multichannel audio-communication systems |
| 12/31/2008 | WO2007062232A3 Systems and methods for electricity metering |
| 12/31/2008 | EP2009808A1 Carrier current communication for centralised control panels |
| 12/31/2008 | EP2009807A1 Distributor power line communication system |
| 12/31/2008 | EP2009803A1 A method and device for performing communication in digital subscriber line technology |
| 12/31/2008 | EP2008345A2 Telecommunications jack with crosstalk multi-zone crosstalk compensation and method for designing |
| 12/31/2008 | EP1214799B1 Control of echo cancellers in a telecommunications system |
| 12/31/2008 | CN201174802Y Interconnection type house lamp controlling switch |
| 12/31/2008 | CN201174772Y Repeater having leak cord monitoring function |
| 12/31/2008 | CN201174696Y Power-line carrier controller |
| 12/31/2008 | CN101336519A A method and a system for cable or subscriber loop investigation performing loop topology identification |
| 12/31/2008 | CA2691592A1 Distributor power line communication system |
| 12/30/2008 | US7472057 Detector for use in voice communications systems |
| 12/30/2008 | US7471987 Determining location of an audience member having a portable media monitor |
| 12/30/2008 | US7471788 Echo cancellers for sparse channels |
| 12/30/2008 | US7471720 Frequency and timing synchronization and error correction in a satellite network |
| 12/30/2008 | US7471702 Methods and apparatus for implementing, using, transmitting, and/or receiving signals at least some of which include intentional null tones |
| 12/25/2008 | US20080318520 Apparatus and method for transmission and reception in multiple input multiple output system with replay station |
| 12/25/2008 | US20080317472 Power Line Communication System Using Hybrid-Fiber Coaxial and Communication Device Used in the System |
| 12/25/2008 | US20080317166 Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media |
| 12/25/2008 | US20080317110 Reliable multicarrier communication in the presence of timing phase error |
| 12/25/2008 | US20080317070 Power line communication network |
| 12/25/2008 | US20080315682 Powered device for power over ethernet system with increased cable length |
| 12/24/2008 | WO2008155676A1 Pseudo-differential interfacing device having a termination circuit |
| 12/24/2008 | WO2008154778A1 Coupler for metallic conduit data transmitting, processing method and data transmitting system |
| 12/24/2008 | WO2008070432B1 Method and device for selectively activating a function thereof |
| 12/24/2008 | WO2007127821A3 Method and apparatus for calibrating a sound beam-forming system |
| 12/24/2008 | EP2007047A2 Communication device enabling temporal coexistence between systems |
| 12/24/2008 | EP2007028A2 Receiver |
| 12/24/2008 | EP2007023A2 Installation device |
| 12/24/2008 | EP2006692A2 A sample channel signal calibrating method for impedance testing and an impedance testing method |
| 12/24/2008 | EP2005626A2 Medium access control method for data transmission through catv access network |
| 12/24/2008 | EP2005612A1 Power line communications coupler |
| 12/24/2008 | EP2005275A2 Method and apparatus for changing power class for a powered device |
| 12/24/2008 | EP1500210B1 Echo cancellation |
| 12/24/2008 | CN101331690A Method and apparatus for packet aggregation in power line communication network |
| 12/24/2008 | CN101331689A Method of data communication between PLC stations belonging to different PLC cells and apparatus thereof |
| 12/24/2008 | CN101330299A Method for manufacturing transmission line equalizer |
| 12/24/2008 | CN100446530C Generating calibration signals for an adaptive beamformer |
| 12/23/2008 | US7469125 Enhanced method of transferring data from a data originating device to a mobile terminal |
| 12/23/2008 | US7469025 Decision feedback transceiver for multichannel communication system |
| 12/23/2008 | US7468992 Voice and data exchange over a packet based network with DTMF |