Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
08/2010
08/04/2010CN201541258U CAN isolation repeater for pressure detecting system of hydraulic support
08/04/2010CN101796853A Sound collection device
08/04/2010CN101796732A Reception circuit, conversion table generating method of AD converter of the same and signal transmission system
08/04/2010CN101795147A Method and device for reducing noise in twisted-pair connecting mode and network equipment
08/04/2010CN101795119A Common-mode signal suppression circuit and switch
08/03/2010US7769908 Method and system for virtual powerline local area networks
08/03/2010US7769907 Method and system for virtual powerline local area networks
08/03/2010US7769343 Multi-beam communication satellite antenna with failure compensation
08/03/2010US7769186 System and method facilitating acoustic echo cancellation convergence detection
08/03/2010US7769102 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption
08/03/2010US7769101 Multi-pair gigabit ethernet transceiver
08/03/2010US7769090 Active link cable diagnostics
08/03/2010US7769057 High speed serial link output stage having self adaptation for various impairments
08/03/2010US7767901 Control of musical instrument playback from remote management station
07/2010
07/29/2010WO2010085189A1 Aligning scheme for audio signals
07/29/2010WO2010084795A1 Communication device
07/29/2010WO2010084519A1 Equalizer with a variable transfer curve
07/29/2010WO2010083641A1 Method and apparatus for detecting double talk
07/29/2010WO2009043950A8 Device enabling multiple inductive injections through multiple conductors
07/29/2010US20100191527 Echo suppressing system, echo suppressing method, recording medium, echo suppressor, sound output device, audio system, navigation system and mobile object
07/29/2010US20100191525 Gateway With Voice
07/29/2010US20100189275 Passenger compartment communication system
07/29/2010US20100189274 Device for and a method of processing audio signals
07/29/2010US20100189186 Signal line routing to reduce crosstalk effects
07/29/2010US20100189185 Signal transmission system and receiving apparatus
07/29/2010US20100188128 Method and Apparatus for Shaping Electronic Pulses
07/29/2010CA2748126A1 Equalizer with a variable transfer curve
07/28/2010EP2211479A1 Communication method and system
07/28/2010EP2211478A1 Device enabling multiple inductive injections through multiple conductors
07/28/2010EP2210349A1 Improvement to methods of processing the crosstalk in xdsl systems
07/28/2010CN1707969B Transmission line driver
07/28/2010CN101790851A Method and apparatus for self-tuning precoder
07/28/2010CN101790177A Communication control device, communication control method, program and communication system
07/28/2010CN101790013A Echo cancellation algorithm
07/28/2010CN101789837A Improved parallel signal transmission system
07/28/2010CN101072047B DSLAN port fast detecting device
07/27/2010US7765348 Configurable two-wire interface module
07/27/2010US7764926 Communication relaying apparatus, communication relay, and controlling method
07/27/2010US7764924 Method and system for repeater shutdown based on received power
07/27/2010US7764799 Audio system providing for filter coefficient copying
07/27/2010US7764752 Method and system for reducing interferences due to handshake tones
07/27/2010US7764730 Low bias estimation of small signal-to-noise ratio
07/27/2010US7764712 Radio transmitting apparatus, radio receiving apparatus, radio transmitting method and radio receiving method
07/27/2010US7764634 Suppression of acoustic feedback in voice communications
07/27/2010US7764166 System and method for providing a tactile stimulation in response to a predetermined alarm condition
07/27/2010US7764083 Digital method and device for transmission with reduced crosstalk
07/27/2010US7764067 High voltage cable testing method
07/27/2010CA2483118C Auto-negotiation monitor system, repeating-transmission apparatus, and auto-negotiation monitor method used therefor
07/22/2010WO2010083321A1 Distributed sensing of signals linked by sparse filtering
07/22/2010WO2010082457A1 Data communication system and data communication device
07/22/2010WO2010082093A1 Transmission device using a plurality of elementary return conductors
07/22/2010WO2010081868A2 Methods and apparatuses for data transmission
07/22/2010WO2010081798A1 Communication method and system
07/22/2010US20100183163 Sound signal processor and delay time setting method
07/22/2010US20100183081 Generic buffer circuits and methods for out of band signaling
07/22/2010US20100182134 Navigation Aid
07/22/2010DE102009005138A1 Drahtlose Anschlusseinrichtung für Dienstleistungsbereiche Wireless connection establishment for service areas
07/22/2010DE102008029412B4 Verfahren zum Überwachen eines Anschlusses eines elektronischen Elementes an einem Hardwarenanschluß A method for monitoring a terminal of an electronic element to a goods terminal Hard
07/22/2010CA2748483A1 Communication method and system
07/21/2010CN201533316U Power-line carrier adapter and power-line carrier communication equipment provided therewith
07/21/2010CN201533309U Power-line carrier network switch
07/21/2010CN201532848U Medium voltage power line broadband coupling apparatus
07/21/2010CN1784882B Method and arrangement for loop test of a disturbed line
07/21/2010CN101785204A Single-port signal repeater
07/21/2010CN101785203A Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system
07/21/2010CN101785202A Method and apparatus for analyzing and mitigating noise in a digital subscriber line
07/21/2010CN101783780A Method and device for controlling number of code element carriers in power carrier
07/20/2010USRE41445 Arrangement for suppressing an interfering component of an input signal
07/20/2010US7761204 Multi-modal data input
07/20/2010US7761076 Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
07/20/2010US7761050 Communication network for indoor environment
07/20/2010US7761049 Distributed array reception
07/20/2010US7760891 Focused hypersonic communication
07/20/2010US7760887 Updating modeling information based on online data gathering
07/20/2010US7760796 Transceiver for receiving and transmitting data over a network and method for testing the same
07/20/2010US7760765 System and method for the reacquisition of a gated pilot
07/20/2010US7760678 Cooperative transmission apparatus, systems, and methods
07/20/2010US7760673 Selectively adaptable far-end echo cancellation in a packet voice system
07/20/2010US7760672 Method and device for the echo compensation of a reception signal
07/20/2010US7760670 Communication apparatus
07/20/2010US7760585 Through the bulkhead repeater
07/20/2010US7760044 Substrate for semiconductor package
07/20/2010CA2502314C Automated system and method for management of digital subscriber lines
07/15/2010WO2010079390A1 Multichannel interfacing device having a switching circuit
07/15/2010US20100177830 Configurable pre-emphasis driver with selective constant and adjustable output impedance modes
07/15/2010US20100177829 Receiving device including impedance control circuit and semiconductor device including impedance control circuit
07/15/2010US20100177807 Method and apparatus for relaying wireless traffic in a wireless network
07/15/2010US20100176968 Power Line Communication Apparatus and Method of Using the Same
07/14/2010EP2207272A1 Device for multiple voltage injections through multiple conductors
07/14/2010EP2206271A2 Power line multicarrier communication apparatus and method
07/14/2010EP1618677B1 Method for transmitting data by means of a carrier current
07/14/2010EP1356589B1 Asymmetric multichannel filter
07/14/2010CN1633792B Method and system for joint decision feedback equalization and complementary code key decoding using a trellis
07/14/2010CN101777936A Surge immunity test method of high-speed signal wire
07/14/2010CN101777935A Network communication device for improving connection quality and method thereof
07/13/2010US7757263 Front-end device of set-top box for two-way communication
07/13/2010US7757260 Method of multi-tasking in mobile terminal
07/13/2010US7756469 Extended radio base station system having broadcast wave retransmitting function
07/13/2010US7756277 Distributed audio system
07/13/2010US7756268 Outlet add-on module
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