Patents
Patents for H04B 3 - Line transmission systems (31,523)
05/2007
05/22/2007CA2341747C Combined channel coding and space-time block coding in a multi-antenna arrangement
05/18/2007WO2007056084A1 Communications connector with leadframe contact wires that compensate differential to common mode crosstalk
05/18/2007WO2007055699A2 Power line coupling device and method of using the same
05/18/2007WO2007055399A1 Method and apparatus for power line communication
05/18/2007WO2007054107A1 Echo path change detection in a network echo canceller
05/18/2007WO2007031538A3 Power supply and communication system for a passenger plane
05/18/2007WO2007022087A3 Testing procedure for evaluating diffusion and leakage currents in insulators
05/18/2007WO2007001464A3 Systems and methods for tuning filters
05/17/2007US20070110254 Dereverberation and feedback compensation system
05/17/2007US20070110147 Equalizing a Signal for Transmission
05/17/2007US20070110095 Method and system for decoding
05/17/2007US20070109104 Active material based haptic alert system
05/17/2007US20070108755 Apparatus for generating haptic signals
05/16/2007EP1786115A1 Data communication system, data transmitting apparatus, data receiving apparatus, data communication method and data communication program
05/16/2007EP1785837A2 Storage device system and signal transmission method for storage device system
05/16/2007EP1784927A1 Method and apparatus for power line communication
05/16/2007EP1784923A2 Interference cancellation system
05/16/2007CN1965498A Fext确定系统 Fext determine system
05/16/2007CN1965497A Automatic adaptive equalization method and system for high-speed serial transmission link
05/16/2007CN1965493A Ultra-wideband communication through a wire medium
05/16/2007CN1965307A Method and system for virtual powerline local area networks
05/15/2007US7219174 Inter-demux communication through a point to point interface
05/15/2007US7218892 Passive repeater/terminator
05/15/2007US7218730 System and method for analysis and filtering of signals in a telecommunications network
05/15/2007US7218672 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer
05/15/2007US7218670 Method of measuring the performance of a transceiver in a programmable logic device
05/15/2007US7218219 Data communication over a power line
05/15/2007CA2567955A1 Apparatus and methods for multi-channel metering
05/15/2007CA2527068A1 Apparatus and methods for multi-channel metering
05/10/2007WO2007053687A2 Audio-visual point-of-sale presentation system and method directed toward vehicle occupant
05/10/2007WO2007053086A1 Reduction of digital filter delay
05/10/2007WO2007052836A2 Visible light communication apparatus and method
05/10/2007WO2007052830A1 Receiving apparatus, receiving method, method for designing matched filter, and method for setting coefficient of transversal filter
05/10/2007US20070106829 Plural interfaces in home network with first component having a first host bus width and second component having second bus width
05/10/2007US20070106457 Portable computing with geospatial haptic compass
05/10/2007US20070106404 Multi-channel speaker system and a connection system thereof
05/10/2007US20070104334 Acoustic landscape
05/10/2007US20070104262 Systems and methods that provide frequency domain supplemental training of the time domain equalizer for dmt
05/10/2007US20070104239 Visible light communication apparatus and visible light communication method
05/10/2007US20070103839 Shielded Energy Conditioner
05/10/2007CA2624629A1 Reduction of digital filter delay
05/09/2007EP1783996A1 Advanced ADSL splitter
05/09/2007EP1783923A1 Double-talk detector for acoustic echo cancellation
05/09/2007EP1783900A1 Noise suppressing circuit
05/09/2007EP1782533A1 Adaptive filtering using fast affine projection adaptation
05/09/2007EP1647099B1 Transceiver and communication method for digital multi-carrier communication
05/09/2007EP1617538A4 Device for suppressing radiation occurring during information transmission through power supply lines
05/09/2007CN1961530A Adaptive margin and band control in DSL system
05/09/2007CN1960298A Network diagnostic method
05/09/2007CN1960196A Advanced adsl splitter
05/08/2007US7216268 Method and arrangement to estimate transmission channel characteristics
05/08/2007US7215986 Signal processing apparatus
05/08/2007US7215984 Signal processing apparatus
05/08/2007US7215765 Method and apparatus for pure delay estimation in a communication system
05/08/2007US7215764 Current sensing echo cancellation device
05/08/2007US7215762 Method of selecting impedance setting for loop start trunk line
05/08/2007US7215702 Signal level detection apparatus and detection method, and signal level indication apparatus
05/08/2007US7215007 Circuit and method for suppression of electromagnetic coupling and switching noise in multilayer printed circuit boards
05/04/2007CA2525388A1 Complementary-pair equalizer
05/03/2007WO2007050001A1 Method, device and program product for estimating propeties of a telecommunication transmission line
05/03/2007WO2007049841A1 Apparatus for equalizing decision feedback based on channel properties change and method therefor
05/03/2007WO2007049644A1 Echo suppressing method and device
05/03/2007WO2007049643A1 Echo suppressing method and device
05/03/2007WO2007049550A1 Terminating device
05/03/2007US20070099564 Current mode interface for off-chip high speed communication
05/03/2007US20070099563 Network configuring device and network configuring method
05/03/2007US20070098184 Audio input/output device and method for switching input/output functions
05/03/2007US20070098112 Clock-edge modulated serial link with DC-balance control
05/03/2007US20070097890 System and method for echo cancellation
05/03/2007US20070096843 Variable attenuator, high frequency integrated circuit and communication device
05/03/2007DE10123128B4 Verfahren zur Synchronisation von blockweise zu übertragenden Daten Method for synchronizing block-wise data to be transmitted
05/03/2007CA2622459A1 Method, device and program product for estimating properties of a telecommunication tranmission line
05/02/2007EP1781003A1 Method and device for monitoring an echo affected communication link
05/02/2007EP1780928A1 Method and apparatus for testing a digital communication channel at variable or fixed data rates
05/02/2007EP1780903A1 Electronic device, transmission system and method for determining connection condition
05/02/2007EP1779542A1 Centralized powering system and method
05/02/2007EP1779541A1 System and method for authenticating/registering network device in power line communication (plc)
05/02/2007EP1779533A1 Module for exchanging information by carrier currents and method for managing the operation of said module
05/02/2007EP1673909A4 Communication protocol over power line communication network
05/02/2007EP1556964B1 Communication methods and apparatus
05/02/2007EP1295448B1 Channel equalizer
05/02/2007EP1042903A4 Echo canceller employing dual-h architecture having improved non-linear echo path detection
05/02/2007CN1957551A Synchronization in a broadcast OFDM system using time division multiplexed pilots
05/02/2007CN1314218C Zipper DMT(discrete multi-tone) system and method for determining timing advance in the same system
05/01/2007US7212921 System and method for multiplexing and transmitting DC power, IMU data and RF data on a single cable
05/01/2007US7212628 Echo cancellation/suppression and double-talk detection in communication paths
05/01/2007US7212552 Communication system and communication method
05/01/2007US7212502 Method and apparatus for dynamically adapting telephony analog loss based on channel content
04/2007
04/26/2007WO2007046438A1 Power outlet device
04/26/2007WO2007045969A1 Method for controlling a cable-controlled home automation appliance provided with an electric motor
04/26/2007WO2007045946A1 Method, devices and system for transmitting information on power supply electric line
04/26/2007US20070092074 Echo canceller
04/26/2007US20070091873 Voice and Data Exchange over a Packet Based Network with DTMF
04/26/2007US20070091787 Apparatus and method for channel selective scheduling in mobile communication systems using OFDMA
04/26/2007DE19527972B4 Messschaltung unter Verwendung eines Messfühlers zum Erfassen und Orten von Wassereinbrüchen Measuring circuit using a probe for detecting and locating water leaks
04/26/2007DE102005006890B4 Verfahren zur Bestimmung einer optimalen Datenübertragungsrate über ein Übertragungsmedium A method for determining an optimal data transmission rate through a transmission medium
04/25/2007EP1777987A2 Adaptive coupling equalization in beamforming-based communication systems
04/25/2007EP1777835A1 Method and apparatus for generating identification values through power lines
04/25/2007EP1777832A1 Power line coupler modem device for communication over electrical lines
04/25/2007EP1777813A1 Adaptive gain and/or phase adjustment control method