Patents
Patents for H04B 3 - Line transmission systems (31,523)
05/2006
05/31/2006EP1661274A2 Synchronization in a broadcast ofdm system using time division multiplexed pilots
05/31/2006EP1661260A2 Data communication over power lines
05/31/2006EP1599948B1 Propagation-time-dependent switch off of the echo compensation in a packet network
05/31/2006CN1781262A Method for transmitting data by means of a carrier current
05/31/2006CN1780167A Convergent echo eliminator rapidly
05/31/2006CN1780166A Decaying gradually non-linear processor and process thereof
05/31/2006CN1780165A Echo eliminator and elimination
05/30/2006US7054696 System and method for data retrieval in AC power tools via an AC line cord
05/30/2006US7054451 Sound reinforcement system having an echo suppressor and loudspeaker beamformer
05/30/2006US7054437 Statistical adaptive-filter controller
05/30/2006US7054392 Process and device for estimating the successive values of digital symbols, in particular for the equalization of an information transmission channel in mobile telephony
05/30/2006US7054390 Receiver and adaptive equalizing method
05/30/2006US7054374 Differential simultaneous bi-directional receiver
05/30/2006US7054372 Digital transmission line tap circuit
05/30/2006US7054303 Information terminal and information terminal system
05/30/2006US7054279 Method and apparatus for optimizing signal transformation in a frame-based communications network
05/30/2006US7054088 Information recording and reproducing apparatus and method, and signal decoding circuit for performing timing recovery
05/30/2006US7053756 Facilitating communication of data signals on electric power systems
05/26/2006WO2006055948A1 Ethernet-to-analog controller
05/26/2006WO2006053651A1 Goods-carrying vehicle with lighting units that can be controlled by means of plc (power line communication)
05/26/2006WO2006053436A1 Crosstalk reducing conductor and contact configuration in a communication system
05/26/2006WO2006014922A3 Portable electronic device and method of operation therefore
05/26/2006WO2006012231A3 System and method for indentifying a signature of a device, in a communication circuit, utilizing distortion products
05/26/2006WO2005069943A3 Method and apparatus for calibrating a frequency domain reflectometer
05/26/2006WO2004114578A3 Echo cancellation in systems with asymmetric spectrum
05/26/2006CA2588062A1 Crosstalk reducing conductor and contact configuration in a communication system
05/26/2006CA2488871A1 System, method and computer program for optimization in digital subscriber lines for multi-user spectrum balancing
05/25/2006US20060111039 System and method for porting a personalized indicium assigned to a mobile communications device
05/25/2006US20060109918 Transformer data coupler with high common mode immunity
05/25/2006US20060109814 Communicating data between an access point and multiple wireless devices over a link
05/25/2006US20060109097 Method and device for signaling several pieces of information that are relevant for operating a motor vehicle
05/24/2006EP1659731A1 Network system for a vehicle testing environment
05/24/2006EP1521381B1 Medium-voltage isolated capacitive coupling system
05/24/2006DE19816977B4 Schaltungsanordnung und Verfahren zur Überwachung eines über eine Lichtwellenleiter-Strecke empfangenen digitalen Signals Circuit arrangement and method for monitoring a signal received via a fiber optic line digital signal
05/24/2006CN2783663Y Camera head of power line network and monitoring system having same
05/24/2006CN2783636Y Terminal for electric power frequency communciation system
05/24/2006CN1778044A Control input circuit for an electrical device
05/24/2006CN1778040A Normal mode noise suppressing circuit
05/24/2006CN1777195A Transmission device
05/24/2006CN1777057A Power line carrier network home appliance and its control method
05/24/2006CN1257500C Method for calibrating optical disk surface incline servo system and related optical disk access assembly
05/24/2006CN1257494C A method for correcting CD write-in power and related device
05/23/2006US7050918 Digital group delay compensator
05/23/2006US7050763 Method and device for transferring a signal from a signal source to a signal sink in a system
05/23/2006US7050576 Double talk, NLP and comfort noise
05/23/2006US7050574 Telephone line interface circuit and method
05/23/2006US7050548 Localization of customer premises in a local loop based on reflectometry measurements
05/23/2006US7050515 Front end automatic gain control circuit using a control word generator
05/23/2006US7050489 VDSL transmission systems
05/23/2006US7050487 Method and circuit arrangement for determination of transmission parameters
05/23/2006US7050419 Head end receiver for digital data delivery systems using mixed mode SCDMA and TDMA multiplexing
05/23/2006US7050388 Method and system for crosstalk cancellation
05/23/2006US7049939 Power line carrier system
05/23/2006CA2402221C In-well monitoring and flow control system
05/18/2006WO2006053041A1 Network bridge device and methods for programming and using the same
05/18/2006WO2006051359A2 Interference cancellation system
05/18/2006WO2006050561A1 System and method of distributing audio and video signals
05/18/2006WO2005004369A3 Methods and systems for determining an optimal training interval in a communications system
05/18/2006US20060104456 Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush
05/18/2006US20060104316 Transmission device
05/18/2006US20060104223 System and method to create synchronized environment for audio streams
05/18/2006US20060103506 Object identification system with adaptive transceivers and methods of operation
05/18/2006US20060103238 Feed line structure
05/18/2006US20060102341 Signalling method and apparatus
05/18/2006CA2588262A1 Adaptive equalizer with a dual-mode active taps mask generator and a pilot reference signal amplitude control unit
05/18/2006CA2585727A1 Actuating a security system using a wireless device
05/18/2006CA2584404A1 Network bridge device and methods for programming and using the same
05/18/2006CA2577489A1 Interference cancellation system
05/17/2006EP1657827A1 Relay amplifier
05/17/2006EP1657818A1 System estimation method, program, recording medium, system estimation device
05/17/2006EP1656766A1 Dynamic power line bandwidth limit
05/17/2006EP1656745A1 System and method for data communication over power lines
05/17/2006EP1157514B1 Kalman equalisation in multicarrier receivers
05/17/2006CN2781650Y 多媒体信息接口集成装置 Multimedia Messaging Interface integrated device
05/17/2006CN1774888A Network topology and packet routing method using low voltage power wiring
05/17/2006CN1774871A Directional speakers
05/17/2006CN1256630C Lighting network control system and its control method
05/16/2006US7046961 Link connection method between communication terminals equipped with bluetooth wireless devices
05/16/2006US7046882 Power line communication system and method
05/16/2006US7046752 Adaptive electronic transmission signal cancellation apparatus for full duplex communication
05/16/2006US7046748 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence
05/16/2006US7046742 System and method for temporal analysis of serial data
05/16/2006US7046157 Short circuit detector for shield conductor in a fieldbus network
05/16/2006US7046124 Power line coupling device and method of using the same
05/11/2006WO2006049753A1 Implantable medical device
05/11/2006WO2006048867A1 System for providing power over ethernet through a patch panel
05/11/2006US20060099926 Method and device for transmission with reduced crosstalk
05/11/2006US20060098808 Synchronization of echo cancellers in a voice processing system
05/11/2006US20060098727 Adaptive equalizer
05/11/2006US20060098725 DSL system estimation including known DSL line scanning and bad splice detection capability
05/11/2006US20060098722 Repeating installation, communication speed adjusting method, program, and recording medium
05/11/2006US20060098569 Method and apparatus for arranging pilot tones in a mobile communication system
05/11/2006US20060097893 Measuring device used in process technology, comprising a central power supply unit
05/11/2006US20060097857 Warning device for vehicles
05/11/2006US20060097572 Level programmable power supply for communication assembly and method
05/10/2006EP1655858A2 Electrical supply apparatus and electrical power supply module
05/10/2006EP1655857A2 Method and apparatus for detecting divergence of an adaptive filter
05/10/2006EP1655856A1 Speech communication apparatus
05/10/2006EP1654861A1 Method and system for remote updates of meters for metering the consumption of electricity, water or gas
05/10/2006EP1654849A1 Multi-carrier communication apparatus with adaptive transmission according to transmission path fluctuations