| Patents for H04B 3 - Line transmission systems (31,523) |
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| 05/12/2009 | US7532998 Cable length detection apparatus and method for a keyboarding video mouse switch |
| 05/12/2009 | US7532729 Method for testing an appliance comprising an audio port, and a respective appliance |
| 05/12/2009 | US7532717 Echo canceler with automatic gain control of echo cancellation signal |
| 05/12/2009 | US7532083 Active nonlinear transmission line |
| 05/12/2009 | US7530955 Signal processing apparatus |
| 05/07/2009 | WO2009058306A1 Interpolation method and apparatus for increasing efficiency of crosstalk estimation |
| 05/07/2009 | WO2009056181A1 Testing device and method for determining a common mode signal of an electrical telecommunication |
| 05/07/2009 | WO2009038227A4 Communication apparatus, communication system, communication method, integrated circuit and circuit module |
| 05/07/2009 | WO2007005825A3 Active rectifier with load impedance switching |
| 05/07/2009 | US20090117948 Method for dereverberation of an acoustic signal |
| 05/07/2009 | US20090116660 In-Band Parametric Sound Generation System |
| 05/07/2009 | US20090116639 Method and apparatus for crosstalk mitigation |
| 05/07/2009 | US20090116580 Digital broadcasting transmission capable of improving receivng and equalizing performance and signal processing method thereof |
| 05/07/2009 | US20090116564 Low voltage differential signaling transmitter and transmitting method |
| 05/07/2009 | US20090116544 Performance-based link adaptation techniques using throughput indicator |
| 05/07/2009 | DE10114732B4 Verfahren zur aktiven Rauschunterdrückung unter Verwendung der Analyse unabhängiger Komponenten Method for active noise cancellation using independent component analysis |
| 05/07/2009 | CA2704112A1 Modular powerline adapters and methods of use |
| 05/06/2009 | EP2056548A1 Method and apparatus for jointly processing signals |
| 05/06/2009 | EP2056487A1 Testing device and method for determining a common mode signal of an electrical telecommunication |
| 05/06/2009 | EP2056425A1 System and method for transmitting data of different priorities through a hollow transmission device |
| 05/06/2009 | EP2055014A2 Systems and methods for mimo precoding in an xdsl system |
| 05/06/2009 | CN201234251Y Noise suppressor for railway electric regional communication |
| 05/06/2009 | CN201234166Y Remote electricity supply and monitoring system based on cable multiplexing |
| 05/06/2009 | CN101427481A Waveform equalizing device |
| 05/06/2009 | CN101425824A 回波消除 Echo canceller |
| 05/06/2009 | CN101425823A Self-interference signal eliminating apparatus and method and RFID reader-writer |
| 05/05/2009 | US7529847 Access to audio output via capture service |
| 05/05/2009 | US7529331 Wobble clock generator and driving method thereof |
| 05/05/2009 | US7529326 Precise frequency estimation of short data bursts |
| 05/05/2009 | US7529325 Voice and data exchange over a packet based network with timing recovery |
| 05/05/2009 | US7529310 Apparatus and method for estimating a channel |
| 05/05/2009 | US7529308 Communication apparatus and communication method using digital wavelet multi carrier transmission system |
| 05/05/2009 | US7529303 Methods and apparatus for determining transmission power levels |
| 05/05/2009 | US7529295 Acquiring frequency and phase offset estimates using frequency domain analysis |
| 05/05/2009 | US7529294 Testing of multiple asynchronous logic domains |
| 05/05/2009 | US7529073 Protecting medium voltage inductive coupled device from electrical transients |
| 05/05/2009 | US7528702 Damage-resistant vibrator assemblies and wireless communications devices incorporating same |
| 05/05/2009 | CA2514434C Method of adaptation step control in echo cancellers |
| 05/02/2009 | CA2609924A1 Device, system and method of telecommunications wire pair qualification |
| 04/30/2009 | WO2009055770A1 Programmable signal slicer |
| 04/30/2009 | WO2009053588A1 Improvement to methods of processing the crosstalk in xdsl systems |
| 04/30/2009 | WO2009052616A1 Two wire digital ultrasonic sensor using bi-directional power line communication |
| 04/30/2009 | WO2007106151A3 Method and apparatus for improving the isolation charactertistics of hd radio combiners |
| 04/30/2009 | US20090113511 Distortion and noise canceling system for hfc networks |
| 04/30/2009 | US20090113107 Differential transmitter circuit |
| 04/30/2009 | US20090111405 Signal matching module for single or multiple systems |
| 04/30/2009 | US20090110207 Method and Apparatus for Speech Dereverberation Based On Probabilistic Models Of Source And Room Acoustics |
| 04/30/2009 | US20090110153 Telecommunications Test Plugs Having Tuned Near End Crosstalk |
| 04/30/2009 | US20090110085 High bandwidth data transport system |
| 04/30/2009 | US20090110042 Determining a bit error rate (BER) using interpolation and superposition |
| 04/30/2009 | US20090110041 Method and Device for Transmitter Calibration |
| 04/30/2009 | US20090110038 Arrangement and method for transmitting control information in wireless communication systems |
| 04/30/2009 | US20090109881 Voice and data exchange over a packet based network |
| 04/30/2009 | US20090109050 System and Method for Illumination of a Data Cable |
| 04/30/2009 | CA2703902A1 Programmable signal slicer |
| 04/29/2009 | EP2053792A1 Bus power-on unit for interconnecting in a dual conductor current loop and measuring transducer, positioner and analog input/output component with such a bus power-on unit |
| 04/29/2009 | EP1847033A4 Communication system with low power, dc-balanced serial link |
| 04/29/2009 | CN201230390Y Road lamp remote monitoring terminal |
| 04/29/2009 | CN201230314Y Capacitive coupler for network signal reinforcement device |
| 04/29/2009 | CN201230313Y Signal converter used between Zigbee network and power line carrier |
| 04/29/2009 | CN101422089A Circuit module and power line communication apparatus |
| 04/29/2009 | CN101421954A Medium access control method for data transmission through CATV access network |
| 04/29/2009 | CN101421923A System identifying method and program, storage medium, and system identifying device |
| 04/29/2009 | CN101420334A Processing method and device for signal crosstalk, spectrum management system |
| 04/29/2009 | CN101420333A Method for detecting state of connection between digital customer line and access terminal |
| 04/29/2009 | CN101420251A Bridging apparatus for electric power network |
| 04/29/2009 | CN101420250A 转接装置 Switching device |
| 04/29/2009 | CN100483966C Control device and method for automatic household system |
| 04/29/2009 | CN100483965C Method and apparatus for signal integrity verification |
| 04/28/2009 | US7526394 Quality assessment tool |
| 04/28/2009 | US7526256 Transformer-based multi-band RF front-end architecture |
| 04/28/2009 | US7526034 Method and apparatus for communicating between devices having no common electrical ground |
| 04/28/2009 | US7526033 Serializer deserializer (SERDES) testing |
| 04/28/2009 | US7525415 Tactile presenting device |
| 04/28/2009 | US7525215 Power-aware multi-circuit system and method |
| 04/23/2009 | WO2009052153A1 Base station antenna with beam shaping structures |
| 04/23/2009 | WO2009051197A1 Echo suppressing method and device |
| 04/23/2009 | US20090103747 Power Saving File transmission in portable multimedia device |
| 04/23/2009 | US20090103743 Echo canceller |
| 04/23/2009 | US20090103573 Voice and Data Exchange Over a Packet Based Network With DTMF |
| 04/23/2009 | CA2699752A1 Base station antenna with beam shaping structures |
| 04/22/2009 | EP2051437A1 Power line adapter and method of controlling power line adapter operated in power-saving mode |
| 04/22/2009 | EP2051396A1 On-line transmission by carrier currents |
| 04/22/2009 | EP2050212A2 Detection and monitoring of partial discharge of a power line |
| 04/22/2009 | EP1955445A4 Power line communication system and communication device used in the system |
| 04/22/2009 | CN201226507Y Power amplification circuit for power line carrier communication |
| 04/22/2009 | CN201224662Y Non-load sensing type elevating capacity stopper |
| 04/22/2009 | CN101416430A Communication device enabling temporal coexistence between systems |
| 04/22/2009 | CN101414852A Output coupling and filter circuit for power line carrier communication |
| 04/22/2009 | CN101414851A Novel method for evaluating communication interference limit of extra-high voltage DC transmission system DC harmonic |
| 04/22/2009 | CN100481748C Time synchronization for data over a powerline modem network |
| 04/21/2009 | US7523365 Dynamic determination of signal quality in a digital system |
| 04/21/2009 | US7522876 Distributed access gateway and wireless router pods and public safety communications infrastructure incorporating the same |
| 04/21/2009 | US7522733 Systems and methods of spatial image enhancement of a sound source |
| 04/21/2009 | US7522713 Network for telephony and data communication |
| 04/21/2009 | US7522671 Apparatus and method for transmitting and receiving high-speed differential current data between circuit devices |
| 04/21/2009 | US7522670 Digital transmission circuit and method providing selectable power consumption via single-ended or differential operation |
| 04/21/2009 | US7522662 Electronic device including image forming apparatus |
| 04/21/2009 | US7522661 Method of producing a two-dimensional probability density function (PDF) eye diagram and Bit Error Rate eye arrays |
| 04/21/2009 | US7522660 Pulse pattern generating apparatus |