| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 07/29/2009 | CN100521568C Low-voltage power line data communication system and method |
| 07/29/2009 | CN100521567C Bridge type circuit for inhibiting echo in communiction device |
| 07/29/2009 | CN100521566C Power line high speed data communication capacity broadband coupler of low voltage distributing network |
| 07/29/2009 | CN100520988C Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables |
| 07/28/2009 | US7567759 Optical apparatus |
| 07/28/2009 | US7567666 Method and apparatus for crosstalk mitigation |
| 07/28/2009 | US7567614 Altering power consumption in communication links based on measured noise |
| 07/28/2009 | US7567613 Test method and apparatus for in-house wiring problems |
| 07/23/2009 | US20090187377 Cable length detection apparatus and method for a keyboarding video mouse switch |
| 07/23/2009 | US20090186324 Methods and devices for intraoral tactile feedback |
| 07/23/2009 | US20090185695 Method and system for clock drift compensation |
| 07/23/2009 | US20090185606 Method and system for selecting an operation profile |
| 07/23/2009 | US20090184810 Conformal repeater unit |
| 07/23/2009 | US20090184808 Method for controlling vibration mechanism of a mobile communication terminal |
| 07/23/2009 | DE112007001222T5 Datenkoppler Data Coupler |
| 07/22/2009 | EP2081301A1 Computer power line communication adaptor and device line communication adaptor |
| 07/22/2009 | EP1982503B1 Method and a system for providing connectivity of a moving object to a external network |
| 07/22/2009 | EP1314277A4 Power line communication network |
| 07/22/2009 | CN101490970A Estimation of transmission line insertion loss |
| 07/22/2009 | CN101488780A Network apparatus for eliminating interference between transmission interfaces and method thereof |
| 07/22/2009 | CN101488779A Transceiver having adjustable sampling point and related message tranceiving method |
| 07/22/2009 | CN101488778A Linear driver having automatic output resistance adjustment function |
| 07/21/2009 | US7565106 Wireless signal repeater with temperature and time display |
| 07/21/2009 | US7564981 Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
| 07/21/2009 | US7564964 Echo canceller |
| 07/21/2009 | US7564932 Method and system for enhancing bit rate in DMT quad spectrum systems |
| 07/21/2009 | US7564904 Apparatus for and method of detection of powered devices over a network |
| 07/21/2009 | US7564903 Method and apparatus for measuring reflected voltage of transformer |
| 07/21/2009 | US7564898 System and method for selecting data rates of data signals |
| 07/21/2009 | US7564897 Jitter measuring apparatus, jitter measuring method and PLL circuit |
| 07/21/2009 | US7564896 Method for measuring multiple parameters of a signal transmitted by a signal generator |
| 07/21/2009 | US7564892 Satellite transcoder |
| 07/21/2009 | US7564868 Configuration DSL transceiver |
| 07/21/2009 | US7564342 Audio signal system for vehicle remote locking mechanism |
| 07/21/2009 | US7564341 Method for transmitting data and power to networked devices |
| 07/21/2009 | US7564324 Transformational bus coupling |
| 07/16/2009 | WO2009087954A2 Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system |
| 07/16/2009 | WO2009087953A1 Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system |
| 07/16/2009 | US20090182519 Modeling and calibrating a three-port time-domain reflectometry system |
| 07/16/2009 | US20090182211 Signal processing apparatus |
| 07/16/2009 | US20090181615 Method and device for communicating using network coding scheme |
| 07/16/2009 | US20090180529 Multi-pair gigabit ethernet transceiver |
| 07/16/2009 | US20090180527 Measuring apparatus, measuring method, recording medium, and test apparatus |
| 07/16/2009 | US20090180409 Network apparatus for eliminating interference between transport ports and method thereof |
| 07/16/2009 | US20090180368 Phase error detecting device, waveform shaping device and optical disc device |
| 07/15/2009 | EP2079171A1 Communication system and communication apparatus |
| 07/15/2009 | EP2006692A9 A sample channel signal calibrating method for impedance testing and an impedance testing method |
| 07/15/2009 | CN101483451A Communication system and communication apparatus |
| 07/15/2009 | CN100514892C Data communication apparatus and method based on orthogonal frequency deivision multiple access |
| 07/15/2009 | CN100514879C Method for counteracting public telephone network circuit echo |
| 07/15/2009 | CN100514317C Signal transmitting device suitable for fast signal transmission |
| 07/14/2009 | US7561932 System and method for processing multi-channel audio |
| 07/14/2009 | US7561647 Equalising and decoding device for frequency-selective channels |
| 07/14/2009 | US7561625 Method and apparatus for crosstalk reduction |
| 07/14/2009 | US7561614 Communication apparatus and communication method using digital wavelet multi carrier transmission system |
| 07/14/2009 | US7561525 Wireless communication system, wireless communication apparatus, wireless communication method, and computer program |
| 07/09/2009 | WO2009084182A1 Communication device and communication system |
| 07/09/2009 | WO2009050592A3 Coupling housing over broadband power line communication |
| 07/09/2009 | US20090177353 Network system for automotive shops |
| 07/09/2009 | US20090176492 Communication system for transmitting data using cooperative communication relay |
| 07/09/2009 | US20090174672 Haptic actuator assembly and method of manufacturing a haptic actuator assembly |
| 07/09/2009 | US20090174569 Plug-In Network Appliance |
| 07/09/2009 | DE202004021613U1 Elektronischer Elektrizitätszähler bzw. Rundsteuerempfänger für Elektrizitätszähler Electricity meter or ripple control receiver for electricity meters |
| 07/08/2009 | EP2076973A1 Audio system |
| 07/08/2009 | EP2076972A2 Interference cancellation system |
| 07/08/2009 | EP1810093A4 Actuating a security system using a wireless device |
| 07/08/2009 | EP1287620A4 Method and system for power line null detection and automatic frequency and gain control |
| 07/08/2009 | EP0988744B1 Acoustic echo canceler |
| 07/08/2009 | CN201270512Y Conversion module for electric wire transmitted HDMI signal |
| 07/08/2009 | CN201270511Y Long distance electric wire network bridge |
| 07/08/2009 | CN100512510C Device and method for processing speech |
| 07/08/2009 | CN100512450C Method and apparatus for time-domain recursive chrominance signal noise reduction |
| 07/08/2009 | CN100512245C Adaptive equalizer with DC offset compensation |
| 07/08/2009 | CN100512169C Treatment method for relatively positioning two electronic apparatus |
| 07/08/2009 | CN100512039C Self-adapting hauling canceller |
| 07/08/2009 | CN100512038C Noise matching for echo cancellers |
| 07/07/2009 | US7558991 Device and method for measuring jitter |
| 07/07/2009 | US7558729 Music detection for enhancing echo cancellation and speech coding |
| 07/07/2009 | US7558528 Wireless local area network translating bi-directional packet repeater |
| 07/07/2009 | US7558336 Semiconductor device, memory device and memory module having digital interface |
| 07/07/2009 | US7558317 Edge calibration for synchronous data transfer between clock domains |
| 07/07/2009 | US7558315 Adaptive margin and band control in digital subscriber line (DSL) systems |
| 07/07/2009 | US7558224 Management of packet-based audio devices within acoustic spaces |
| 07/07/2009 | US7557790 Bus interface technology |
| 07/07/2009 | US7557676 Signal transmission circuit, electronic device, cable, and connector |
| 07/07/2009 | CA2188272C Hybrid electricity and telecommunications distribution network |
| 07/07/2009 | CA2188271C Powerline communications network employing tdma, fdma and/or cdma |
| 07/02/2009 | WO2009081860A1 Radio communication system, reception device, and reception method |
| 07/02/2009 | US20090169030 Audio signal receiving appratus, audio signal receiving mehtod and audio signal transmission system |
| 07/02/2009 | US20090169029 Audio data reproduction system, audio data reproduction method, and electronic device used in the system |
| 07/02/2009 | US20090169027 Echo suppressor |
| 07/02/2009 | US20090168905 Decoding of LVDS Protocols |
| 07/02/2009 | US20090168864 Digital Communication System, Indoor Unit, and Outdoor Unit |
| 07/02/2009 | US20090168860 Communication system between a first and a second synchronous device that are uncorrelated in time |
| 07/02/2009 | US20090168673 Method and apparatus for detecting and suppressing echo in packet networks |
| 07/02/2009 | US20090168672 Methods and appratus for signal echo cancellation and transmitter calibration in full duplex systems |
| 07/02/2009 | US20090167509 Tactile feedback in an electronic device |
| 07/02/2009 | US20090167453 Method and apparatus for digital synthesis of microwaves through balanced transmission line structures |
| 07/02/2009 | US20090167452 Transmission characteristic adjustment device, circuit substrate, and transmission characteristic adjustment method |
| 07/02/2009 | DE102007062999B3 Conducted control method for emergency lighting system during building installation, involves providing null value detector in receiver so that valid switching information is produced to detect phase sections as faulty information |