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