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