| Patents for H04B 3 - Line transmission systems (31,523) | 
|---|
| 04/09/2008 | EP1909405A1 Multi-carrier transmission system | 
| 04/09/2008 | EP1909404A1 Data transmission method over a potential barrier | 
| 04/09/2008 | EP1909393A1 Adaptive digital filter, signal processing method, fm receiver, and program | 
| 04/09/2008 | EP1908222A2 Flexible scheduling of resources in a noisy environment | 
| 04/09/2008 | EP1908205A2 Emulation and debug interfaces for testing an integrated circuit with an asynchronous microcontroller | 
| 04/09/2008 | EP1908189A2 Bandwidth management in a powerline network | 
| 04/09/2008 | EP1908181A2 Path change detector for echo cancellation | 
| 04/09/2008 | EP1738187B1 Radiation information management device and communication device | 
| 04/09/2008 | EP1216513B1 Method and receiving device for increasing the transmission range in baseband transmission of signals | 
| 04/09/2008 | EP0811301B1 Apparatus and method for adaptively precompensating for loudspeaker distortions | 
| 04/09/2008 | CN101159469A Method and system for channel estimation of transmission channels by means of complementary sequences | 
| 04/09/2008 | CN101159450A Method for transmitting audio signal using 50Hz carrier current | 
| 04/09/2008 | CN101159449A Communication method in low-voltage network carrier communication system | 
| 04/09/2008 | CN101159448A Communication line testing method and system | 
| 04/09/2008 | CN101159447A Method and equipment of reducing back wave | 
| 04/09/2008 | CN101159386A Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium | 
| 04/09/2008 | CN100380851C Method and device for crosstalk reduction in a bidirectional optical link | 
| 04/08/2008 | US7356614 Method for detecting and regulating identifier overlap on power line communication network, electronic appliance connected to subnet of power line communication network, and communication module used in electronic appliance | 
| 04/08/2008 | US7356588 Circuits and methods for detecting the presence of a powered device in a powered network | 
| 04/08/2008 | US7356086 Power line coupler adapted for use with multiple service panels | 
| 04/08/2008 | US7356077 Method and apparatus for testing network integrity | 
| 04/08/2008 | US7355989 Echo canceling method and device for multiplex line | 
| 04/03/2008 | WO2008037223A1 A method and apparatus for quickly diagnosing inter-communication problem of digital subscriber line transceivers | 
| 04/03/2008 | WO2008008015A3 Estimation of transmission line insertion loss | 
| 04/03/2008 | WO2008005507A3 Adaptative multi-carrier code division multiple access | 
| 04/03/2008 | US20080081557 Intra-Premises Wireless Broadband Service Using Lumped and Distributed Wireless Radiation From Cable Source Input | 
| 04/03/2008 | US20080081553 Extended radio base station system having braodcast wave retransmitting function | 
| 04/03/2008 | US20080080625 Power line communication apparatus, power feeding system, power feeding control method and computer readable medium | 
| 04/03/2008 | US20080080605 Transport delay and jitter measurements | 
| 04/03/2008 | US20080080604 Spectrum-sensing algorithms and methods | 
| 04/03/2008 | US20080080596 Repeater Apparatus and Method for Controlling the Same | 
| 04/03/2008 | US20080080595 Method and system for sending data using a very high bit rate digital subscriber line | 
| 04/03/2008 | DE112006001042T5 Zeitkontinuierlicher Equalizer A continuous-time equalizer | 
| 04/03/2008 | DE102006046309A1 Procedure for transmission of data, coupling of transmission data into transmission element, particularly already available infrastructure element | 
| 04/02/2008 | EP1906640A1 Method for shaping the spectrum of access equipment output signal and access equipment | 
| 04/02/2008 | EP1906545A2 Method for transmitting a digital transmission signal, data communication transmitter, data communication receiver and data communication system | 
| 04/02/2008 | EP1906529A1 Adaptive digital filter, signal processing method, fm receiver, and program | 
| 04/02/2008 | EP1906528A1 Adaptive digital filter, fm receiver, signal processing method, and program | 
| 04/02/2008 | EP1905167A1 Transmission/reception apparatus and transmission/reception method for enabling coexistence of systems | 
| 04/02/2008 | CN201044444Y Communication apparatus | 
| 04/02/2008 | CN201044443Y Improved transmission line | 
| 04/02/2008 | CN101156315A Method and apparatus for reference symbol aided channel estimation | 
| 04/02/2008 | CN101155219A Equipment used for drafting service quality map in fixed communication network | 
| 04/02/2008 | CN101154964A Method for channel interference evaluation of communication system | 
| 04/02/2008 | CN101154963A Voice separating device with low-pass filtering compensation circuit | 
| 04/02/2008 | CN101154962A Transmission output control apparatus, method, program and multicarrier transmission system | 
| 04/02/2008 | CN100379217C Polling communication system and polling control method | 
| 04/02/2008 | CN100379210C On-line method for testing echoing characteristic of communication system and testing system thereof | 
| 04/02/2008 | CN100379168C Apparatus and method for diagnosis of line shunting and grounding fault | 
| 04/02/2008 | CN100379167C Control of echo cancellers in a telecommunications system | 
| 04/02/2008 | CN100378715C System and method for data retrieval in AC power tools via an AC line cord | 
| 04/01/2008 | US7353435 Storage device system and signal transmission method for storage device system | 
| 04/01/2008 | US7353155 System and method for automatic selection of transmission line macromodels | 
| 04/01/2008 | US7352816 Data oversampling via clock and data interpolation | 
| 04/01/2008 | US7352815 Data transceiver and method for equalizing the data eye of a differential input data signal | 
| 04/01/2008 | US7352776 Line terminator unit for a subscriber line | 
| 04/01/2008 | US7352687 Mixed domain cancellation | 
| 04/01/2008 | US7352189 Time aligned bussed triggering using synchronized time-stamps and programmable delays | 
| 03/27/2008 | US20080075296 Intelligent audio mixing among media playback and at least one other non-playback application | 
| 03/27/2008 | US20080075293 Electronic device, echo canceling method thereof, echo canceling program thereof, recording medium, circuit substrate, and portable telephone terminal device | 
| 03/27/2008 | US20080075177 Data communication method and apparauts using power line | 
| 03/27/2008 | US20080075156 Phase shift adjusting method and circuit | 
| 03/27/2008 | DE102007037194A1 Leistungsstabilisierung für Mehrträger-DSL Power stabilization for multi-carrier DSL | 
| 03/26/2008 | EP1903686A1 Data communication method and apparatus using power line | 
| 03/26/2008 | EP1903685A1 Conference table system | 
| 03/26/2008 | EP1903655A2 Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium | 
| 03/26/2008 | EP1903654A2 Power line communication apparatus, power feeding system, power feeding control method and computer readable medium | 
| 03/26/2008 | EP1902528A1 Communications device and communications method | 
| 03/26/2008 | EP1049259B1 Vibration wave encoding method and method | 
| 03/26/2008 | CN201042008Y Network information adaptor | 
| 03/26/2008 | CN101150548A Communication system and its transmitting channel estimation method | 
| 03/26/2008 | CN101150508A Method and system for wired communication | 
| 03/26/2008 | CN101150347A Communication system and its transmitting channel estimation method | 
| 03/26/2008 | CN101150346A Communication system and its transmitting channel estimation method | 
| 03/26/2008 | CN101150332A Power line communication apparatus, power feeding system, control method and computer readable medium | 
| 03/26/2008 | CN101150303A Multiple order low pass filter for an xDSL splitter in a telecommunication system | 
| 03/25/2008 | US7349546 System and method for identifying a headset type in an electrical device | 
| 03/25/2008 | US7349482 Echo canceller of ADSL system and training method thereof | 
| 03/25/2008 | US7349480 Multiline transmission in communication systems | 
| 03/25/2008 | US7349479 Communications system of two-wire line enhancing fail-safe performance | 
| 03/25/2008 | US7349353 Techniques to reduce echo | 
| 03/25/2008 | US7348863 Simple time domain pulse generator | 
| 03/25/2008 | US7348862 Modular connector with suppression of conducted and radiated emissions | 
| 03/25/2008 | CA2358604C Method of measuring and improving xdsl transmission characteristic | 
| 03/20/2008 | WO2008032878A1 Power line communication system | 
| 03/20/2008 | WO2008032492A1 Judgement negative-feedback type waveform equalizing method and equalizer | 
| 03/20/2008 | US20080071516 Dsl system estimation and parameter recommendation | 
| 03/20/2008 | US20080071401 Audio player capable of playing multiple multimedia files simultaneously | 
| 03/20/2008 | US20080069369 Microphone and stereo audio monitor combination with four contact plug connector | 
| 03/20/2008 | US20080069249 Transfer of digital data through a transformer | 
| 03/20/2008 | US20080069195 Systems and Methods for Producing Constellation Patterns Including Average Error Values | 
| 03/20/2008 | US20080069105 Method and System for Controlling Access to Communication Networks, Related Network and Computer Program Therefor | 
| 03/20/2008 | US20080069025 Signal Repeater System | 
| 03/20/2008 | US20080069016 Packet based echo cancellation and suppression | 
| 03/20/2008 | US20080068980 Method and apparatus for positioning pilot in an ofdma mobile communication system | 
| 03/20/2008 | US20080067868 BPL Low-Voltage Coupler | 
| 03/19/2008 | EP1900110A1 Bus modem for building and industrial electrical systems | 
| 03/19/2008 | EP1707017A4 Method and apparatus for measuring jitter | 
| 03/19/2008 | EP1388954B1 Method for multiple access and transmission in a point-to-multipoint system on an electrical network | 
| 03/19/2008 | EP0956658B1 Method and apparatus for using state determination to control functional elements in digital telephone systems |