Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
11/2010
11/03/2010CN101546468B Dynamic maintenance method of bidimensional midsequent carrier routing
11/02/2010US7826628 Addressable amplified speaker assembly and method for addressing the same
11/02/2010US7826609 Method and apparatus for digital near-end echo/near-end crosstalk cancellation with adaptive correlation
11/02/2010US7826551 Input and output driver circuits for differential signal transfer, and differential signal transfer apparatus and methods
11/02/2010US7826525 Pulse-based communication for devices connected to a bus
11/02/2010US7826521 Rate adaptation using error vector magnitude
11/02/2010US7826466 Communication buffer scheme optimized for VoIP, QoS and data networking over a power line
11/02/2010US7826333 Optical recording medium
11/02/2010US7825778 Electronic apparatus providing a vibrating function to give operation feeling to an operator
11/02/2010CA2545222C Signalling method and apparatus
10/2010
10/28/2010US20100274697 Transmission line directional awareness
10/28/2010US20100272248 Voice communications apparatus
10/28/2010DE202010008462U1 Funksignalkonversionssystem Radio signal conversion system
10/28/2010DE102010015226A1 Erfassungsvorrichtung, Berechnungsvorrichtung, Messvorrichtung, Erfassungsmethode, Berechnungsmethode, Übertragungssystem, Programm und Aufzeichnungsträger Detection device, computing device, measuring device, detection method, calculation method, transmission system, program, and recording medium
10/28/2010DE102010013266A1 Integrated circuit for e.g. distributed control system cellular telephone, has differential transmitter controlling selection of phases on each of links such that one of phases is cross coupled onto selected communications channel
10/27/2010EP1723733B1 Coupling circuit for a carrier current data transmission system interface
10/27/2010CN201616826U 中压配网电力载波机 Medium voltage distribution network power line carrier machine
10/27/2010CN1649281B Asymmetric power carrier wave communication device
10/27/2010CN101874360A Method and device for data processing and communication system comprising such device
10/27/2010CN101874359A Method and device for data processing in xdsl system
10/27/2010CN101873676A GSM (Global System for Mobile) micropower distribution system
10/27/2010CN101873155A Method and device for estimating length of transmission line
10/27/2010CN101873154A Transmission power controller for Ethernet device and related method thereof
10/27/2010CN101873146A Medium-voltage distribution line broadband power carrier communication method and system
10/27/2010CN101282315B Distribution method, system and terminal sharing transmission medium
10/27/2010CN101192849B A channel matrix management method and device
10/27/2010CN101159448B Communication line testing method and system
10/26/2010US7822162 Current mode differential signal transmitting circuit sharing a clock outputting unit
10/26/2010US7822143 Systems and method for transfering digital data and transfering parallel digital data in a serial data stream including clock information
10/26/2010US7822126 Interference cancellation system and method
10/26/2010US7822110 Eye diagram determination during system operation
10/26/2010US7822069 Phase correction for OFDM and MIMO transmissions
10/26/2010CA2676794C Automatic equalization of video signals
10/21/2010WO2010120916A2 Digital intercom network over dc-powered microphone cable
10/21/2010WO2010120855A1 Digital audio communication and control in a live performance venue
10/21/2010US20100266139 Sound collecting device, sound collecting method, sound collecting program, and integrated circuit
10/21/2010US20100266118 Method and System for Stereo Echo Cancellation for VOIP Communication Systems
10/21/2010US20100266005 Railway positioning system
10/21/2010US20100266004 Detecting apparatus, calculating apparatus, measurement apparatus, detecting method, calculating method, transmission system, program, and recording medium
10/21/2010US20100264886 Device for voltage multi-injection on multiple conductors
10/21/2010CA2758940A1 Digital intercom network over dc-powered microphone cable
10/21/2010CA2758868A1 Digital audio communication and control in a live performance venue
10/20/2010EP2241018A2 Signal and devices for wired networks
10/20/2010EP2241017A2 Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system
10/20/2010EP1131644B1 Dynamic register with low clock rate testing capability
10/20/2010CN201611926U 利用同轴电缆传输100base-t以太网信号与catv信号的装置 The use of coaxial cable transmission 100base-t Ethernet device signal and catv signal
10/20/2010CN101868736A Two wire digital ultrasonic sensor using bi-directional power line communication
10/20/2010CN101868101A Power line carrier wave illuminating energy-saving management system
10/20/2010CN101868100A LED street lamp control system
10/20/2010CN101867394A Device for realizing transmission by using power line and system using the same
10/20/2010CN101867393A Transmission device for transmitting data by striding over power line transformer
10/19/2010US7817751 Digital multimedia broadcasting receiver having improved reception capability and channel estimation method of the same
10/19/2010US7817727 Hybrid output driver for high-speed communications interfaces
10/19/2010US7817714 Integrating receiver having adaptive feedback equalizer function to simultaneously remove inter-symbol interference and high frequency noises and system having the same
10/19/2010US7814653 Method for electrically connecting a stinger into a network node
10/14/2010WO2010117340A1 Power line carrier data systems and methods
10/14/2010WO2010116684A1 Flexible cable and transmission system
10/14/2010US20100261425 Adaptive Radio Repeaters
10/14/2010US20100260371 Systems and methods for acousto-haptic speakers
10/14/2010US20100260349 Solar wireless sound system
10/14/2010US20100260348 Network Addressible Loudspeaker and Audio Play
10/14/2010US20100260344 Method and Arrangement for Echo Cancellation of Voice Signals
10/14/2010US20100259097 Modular powerline adapters and methods of use
10/14/2010DE10034864B4 Verstärkerschaltung mit einer Schalterumgehung Amplifier circuit having a bypass switch
10/13/2010EP2238692A1 Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system
10/13/2010EP2238590A1 Apparatus and method for computing filter coefficients for echo suppression
10/13/2010CN201608714U 载波通讯电路 Carrier communication circuit
10/13/2010CN201608713U 接地引线式结合电感耦合器 Ground wire-bond inductive coupler
10/13/2010CN201608712U 双路自适应射频传输控制系统 Dual RF adaptive transmission control system
10/13/2010CN1992546B Intelligent power line carrier transmitting-receiving system
10/13/2010CN1989550B Audio signal dereverberation
10/13/2010CN1741686B Voice collecting device and echo cancellation processing method
10/13/2010CN101861046A Power-line carrier electrodeless lamp control receiver
10/13/2010CN101861045A Power-line carrier electrodeless lamp control relay
10/13/2010CN101860495A Gateway for integrating mobile communication and power line communication
10/12/2010US7813750 Emergency radio communications system incorporating integral public safety radio bridging capability
10/12/2010US7813497 Echo canceller with interference-level controlled step size
10/12/2010US7813496 Method for reducing a computational complexity in non-linear filter arrangements as well as corresponding filter arrangements
10/12/2010US7813380 Method of processing a signal and apparatus for processing a signal
10/12/2010US7812693 Lowpass-bandstop common mode filter for differential lines carrying high rate digital signals
10/12/2010US7812685 Automatic regulator of filter
10/12/2010CA2539143C A method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
10/12/2010CA2522902C Method and system for improved single-ended loop make-up identification
10/07/2010WO2010112769A1 Device and system for communicating on a supply line
10/07/2010US20100255773 Wireless Telecommunication System Including a Base Station, Relay Node and Method for Global Fair Scheduling
10/07/2010US20100254465 Apparatus for transmission of electrical energy and information
10/07/2010US20100254464 Method and device for data processing in xdsl system
10/07/2010US20100254443 Digitally controlled isolated power converter
10/07/2010US20100253525 Systems and methods for human performance augmentation
10/07/2010US20100253442 Tank Tuning for Band Pass Filter Used in Radio Communications
10/06/2010EP2237438A1 Method, equipment and system for line management
10/06/2010EP2237437A1 Method, equipment and digital subscriber line system for spectrum optimization
10/06/2010EP2235837A2 Method for transmitting data records
10/06/2010CN201601672U 一种射频数字信号传输系统及射频数字信号接入装置 A radio frequency digital signal transmission system and the radio access means of digital signal
10/06/2010CN201601671U 公共电力网络控制器 Public electricity network controller
10/06/2010CN1913515B Data communication method based on orthogonal frequency division multiple access
10/06/2010CN101855840A Method for transmitting discrete electric signals
10/06/2010CN101854193A Echo processing device and correlation method thereof
10/06/2010CN101404419B Integrated 10kV carrier wave communication intelligent switch
10/05/2010US7810125 Method and system for a low cost wireless telephone link for a set top box
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