Patents
Patents for H04B 3 - Line transmission systems (31,523)
03/2005
03/10/2005US20050053229 Common mode noise cancellation
03/10/2005US20050053227 Electronic circuit to reduce noise in digital subscriber loop and communications over unshielded twisted pair metallic conductors
03/10/2005US20050053097 Multi-channel communication system for multiple input, multiple output processing of an encoded signal
03/10/2005US20050053021 System and method to reduce echoes in voice communications
03/10/2005US20050053020 Adaptive scaling and echo reduction
03/10/2005US20050052988 Decision feedback transceiver for multichannel communication system
03/10/2005US20050052274 Resistive temperature device (RTD) module with improved noise immunity
03/10/2005US20050052255 Transmission line with low dispersive properties and its application in equalization
03/10/2005CA2537267A1 Synchronization in a broadcast ofdm system using time division multiplexed pilots
03/09/2005EP1513268A2 Method and apparatus for increasing receiver immunity to interference
03/09/2005EP1512269A1 Method and circuit arrangement for recognising load coils
03/09/2005EP1512258A1 Apparatus and method for estimating a channel in a multiple input transmission system
03/09/2005CN1592264A Home appliance network system and method for operating the same
03/09/2005CN1592142A Person portable rebroadcasting system
03/09/2005CN1592138A Pipeline communication method
03/09/2005CN1591389A Method and apparatus for computer communication using audio signals
03/09/2005CN1192514C Conversion and distribution of incoming wireless telephone signals using power line
03/09/2005CN1192510C Method and apparatus for controlling echo on both sides of connection
03/08/2005US6865256 Method and apparatus for determining properties of a transmission channel
03/08/2005US6865234 Pair-swap independent trellis decoder for a multi-pair gigabit transceiver
03/08/2005US6865222 Method and apparatus for testing a serial transmitter circuit
03/08/2005US6865221 Systems and methods for loop length and bridged tap length determination of a transmission line
03/08/2005US6865162 Elimination of clipping associated with VAD-directed silence suppression
03/08/2005US6864798 Device docking apparatus and method for using the same
03/08/2005US6864689 Determining cable attenuation and loss of signal threshold
03/08/2005CA2460260A1 Blind signal separation system and method, blind signal separation program and recording medium thereof
03/03/2005WO2005020459A1 Relay amplifier
03/03/2005US20050049732 Method and apparatus for computer communication using audio signals
03/03/2005US20050049009 Audio system for automobile and plug transmitter used in same
03/03/2005US20050047609 Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels
03/03/2005US20050047518 Apparatus and method for estimating a channel
03/03/2005US20050047498 Codec compensation techniques for channel analysis applications
03/03/2005US20050047441 Method and device for transmitting non-broadband signals using power lines as media
03/03/2005US20050047424 Method and system for managing bandwidth use in broadcast communications
03/03/2005US20050046551 Tactile transducers and method of operating
03/03/2005US20050046550 Method and apparatus for attaching power line communications to customer premises
03/03/2005US20050046509 High-frequency signal suppresser
03/02/2005EP1511262A2 Digital subscriber line communicating system
03/02/2005EP1511261A2 Digital subscriber line communicating system
03/02/2005EP1511260A2 Digital subscriber line communicating system
03/02/2005EP1511259A2 Digital subscriber line communicating system
03/02/2005EP1511258A2 Digital subscriber line communicating system
03/02/2005EP1511257A2 Digital subscriber line communicating system
03/02/2005EP1511256A2 Digital subscriber line communicating system
03/02/2005EP1511193A2 System and method for boosting and monitoring
03/02/2005EP1425882B1 Method and supply line structure for transmitting data between electrical automotive components
03/02/2005EP1407561B1 Device for the inductive transmission of electrical power
03/02/2005EP1302038B1 Method and digital circuit for transmitting a plurality of bit sequences via several bus lines
03/02/2005EP1226660B1 Echo compensation device
03/02/2005CN2681952Y General purpose daughter board for novel powered vehicular controller
03/02/2005CN1589555A Method and apparatus for varying the length of an adaptive equalizer based on Doppler frequency
03/02/2005CN1589554A Adaptive equalizer operating at a sampling rate asynchronous to the data rate
03/02/2005CN1588821A Multiple user communication method of distribution network
03/02/2005CN1588820A Plate card type echo eliminator
03/02/2005CN1588819A Information transmission system and method and its output signal driving device
03/02/2005CN1191701C Non-contact signal analyzer
03/01/2005US6862316 Spatial and temporal equalizer and equalization method
03/01/2005CA2378810C Apparatus and method for adaptive control
03/01/2005CA2315577C Adaptive gain and/or phase adjustment control system and method
02/2005
02/24/2005WO2005018134A2 Method and system for crosstalk cancellation
02/24/2005WO2005018105A1 Measuring adapter for simulating a low-voltage network that is coupled to a powerline data transmission device
02/24/2005WO2004102983A3 Network topology and packet routing method using low voltage power wiring
02/24/2005WO2003028227A8 Power line communication circuit
02/24/2005US20050041799 Method and system for classifying network connections
02/24/2005US20050041764 Multipath distortion eliminating filter
02/24/2005US20050041732 Channel equalizer, method and computer program for equalizing a channel
02/24/2005US20050041731 Equalizer system
02/24/2005US20050041730 DSL modem apparatus and communication control method
02/24/2005US20050041729 DSL modem apparatus and communication control method
02/24/2005US20050041727 PHY control module for a multi-pair gigabit transceiver
02/24/2005US20050040846 Signal transmission system, and signal transmission line
02/24/2005US20050040709 Method and supply line structure for transmitting data between electrical automotive components
02/24/2005DE10336946A1 Verfahren zum Bestimmen eines Teilnehmers eines Datennetzwerkes als Pilotmaster A method for determining a participant of a data network as a pilot Master
02/23/2005EP1509017A2 DSL modem apparatus and communication control method
02/23/2005EP1508976A1 DSL modem apparatus and communication control method
02/23/2005EP1508969A2 Multipath distortion eliminating filter
02/23/2005EP1508210A2 Communications system for providing broadband communications using a medium voltage cable of a power system
02/23/2005CN2681460Y Digital multi-channel sound box system with power line transmission
02/23/2005CN2681459Y Data communication system based on power line
02/23/2005CN1586047A Amplifier for downstream and upstream signals
02/23/2005CN1584977A Approaching end voice detection realizing method for echo inhibitor
02/22/2005US6859669 Apparatus and method of controlling activation of home automation system
02/22/2005US6859491 Iterative estimation of timing in GSM bursts
02/22/2005US6859137 Flatware and tableware with signaling means for use by visually impaired users
02/22/2005US6859045 Cable-testing adapter
02/22/2005US6859044 Method and architecture for fault protection on a broadband communications network power passing tap
02/22/2005CA2199566C An echo canceller for decreasing a deterioration factor of speech quality
02/22/2005CA2190105C Vehicle communications network transceiver, ground translation circuit therefor
02/17/2005WO2005015890A1 Method and system for remote updates of meters for metering the consumption of electricity, water or gas
02/17/2005WO2005015865A1 Multi-carrier communication apparatus with adaptive transmission according to transmission path fluctuations
02/17/2005WO2005015832A1 Method for identifying a subscriber of a data network as a pilot master
02/17/2005WO2005015737A1 System estimation method, program, recording medium, system estimation device
02/17/2005WO2004107588A3 Method and device for frequency translation in powerline communications
02/17/2005US20050039070 System and method for analysis and filtering of signals in a telecommunications network
02/17/2005US20050037722 Communication apparatus
02/17/2005US20050036576 Multi-pair gigabit ethernet transceiver
02/17/2005US20050036561 Receiving apparatus and transmission apparatus utilizing the same
02/17/2005US20050035850 Detection of broadcast signals for defining useable frequency bands for powerline communication
02/16/2005EP1506650A1 Time delay estimation for equalisation
02/16/2005EP1506625A1 Echo canceller with double-talk detector