Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
05/2010
05/06/2010US20100115562 Audio system and main box
05/06/2010US20100115124 Method for Improving Transmission Efficiency of Physical Layer Attributes in Wireless Communication System
05/06/2010US20100111538 Illuminating light communication device
05/06/2010US20100111322 Method for processing audio signal and broadcasting output apparatus using the same
05/06/2010US20100111321 Multi-channel Output Device for a Multimedia Device
05/06/2010US20100111320 Acoustic system and update method of the acoustic system
05/06/2010US20100111319 method and an apparatus for processing an audio signal
05/06/2010US20100111236 Course timing synchronization
05/06/2010US20100111202 Method and apparatus for generating a common-mode reference signal
05/06/2010US20100111201 Power line communication system
05/06/2010US20100111200 Signal transmitting apparatus provided with signal correction circuit for suppressing radiation of electromagnetic waves between transmissin lines
05/06/2010US20100111199 Device and Method for Communicating over Power Lines
05/06/2010US20100111153 Power line communication apparatus and power line communication method
05/06/2010US20100111151 Method and apparatus for metallic line testing of a subscriber line
05/05/2010EP2182688A1 Equalizer filter with mismatch tolerant detection mechanism for lower and higher frequency gain loops
05/05/2010EP2182648A1 Echo canceller
05/05/2010EP2182647A2 Systems and methods for cable equalization
05/05/2010EP2181509A2 Power socket fascia
05/05/2010CN201450515U Remote control system of power-line communication network
05/05/2010CN1794604B Method and apparatus for determining a transmit psd at a remote location
05/05/2010CN1664458B Air conditioner and power line communication system
05/05/2010CN1655468B Adjustable echo eliminating apparatus for all duplex communication systems
05/05/2010CN1581696B Receiving device and transmission device using same
05/05/2010CN1561009B Data alignment circuit in receiving channel of billion Ethernet receiver
05/05/2010CN1473403B Echo cancellor based quick convergent affine projection device and method
05/05/2010CN101702759A Home entertainment television and wideband access method
05/04/2010US7711530 DSL system estimation and parameter recommendation
05/04/2010US7711443 Virtual wireless multitrack recording system
05/04/2010US7711319 Method and system for distributing talk group activity among multiple vehicle repeaters
05/04/2010US7711317 Resource optimized live to virtual communications
05/04/2010US7711126 Audio distribution system with local integrally wall mounted control point nodes
05/04/2010US7711125 Audio distribution system
05/04/2010US7711123 Segmenting audio signals into auditory events
05/04/2010US7711093 Telecommunications test plugs having tuned near end crosstalk
05/04/2010US7711077 System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
05/04/2010US7711055 System and method for signal alignment when communicating signals
05/04/2010CA2357200C Listening device
05/04/2010CA2290353C Data transmission over a power line communications system
04/2010
04/29/2010WO2010045893A1 Method and apparatus for power line communication
04/29/2010WO2010025082A3 A general method for low-frequency data transmission on a power line
04/29/2010WO2009149427A3 Block interleaving scheme with configurable size to achieve time and frequency diversity
04/29/2010WO2008016585A3 Method and apparatus for analyzing and mitigating noise in a digital subscriber line
04/29/2010US20100105319 Redriver with Output Receiver Detection that Mirrors Detected Termination on Output to Input
04/29/2010US20100104091 Enhanced echo cancellation
04/29/2010US20100104031 System for electrical power supply and for transmitting data without electrical contact
04/29/2010US20100104030 Communications device and communications method
04/29/2010US20100104029 Independent link(s) over differential pairs using common-mode signaling
04/29/2010US20100104028 Current segmentation circuit for optimizing output waveform for high speed data transmission interface
04/29/2010US20100103991 Communication Systems
04/29/2010US20100102987 Power Line Communication Device having Virtual Local Area Network Functionality
04/29/2010US20100101480 Mobile Apparatus
04/29/2010DE102008049968A1 Datenübertragungsgerät A data transmission apparatus
04/28/2010EP2180609A1 Remote monitoring of an optical transmission system using line monitoring signals
04/28/2010EP2180601A1 Enhanced echo cancellation
04/28/2010EP2179511A1 Method and device for pseudo-differential transmission
04/28/2010EP2178599A1 Method and system for signal coupling and direct current blocking
04/28/2010EP1700410B1 Adaptive fec codeword management
04/28/2010CN1836372B System estimation method, system estimation device
04/28/2010CN1672379B Differential decoder followed by non-linear compensator
04/28/2010CN1581719B High-speed power line communication local side device
04/28/2010CN1574672B Data transfer apparatus for low voltage differential signaling
04/28/2010CA2684045A1 Method and apparatus for stimulating power line carrier injection with reactive oscillation
04/27/2010US7706751 Method for transmitting and receiving data with low BER in presence of interference between subscriber stations
04/27/2010US7706742 Communications module for wireless communications with an electronic device to enable remote access
04/27/2010US7706548 Method and apparatus for computer communication using audio signals
04/27/2010US7706546 Computer-based onboard noise suppression devices with remote web-based management features
04/27/2010US7706524 Signal line routing to reduce crosstalk effects
04/27/2010US7706487 Method for training a transceiver for high speed communications
04/27/2010US7706457 System and method for beamforming using rate-dependent feedback in a wireless network
04/27/2010US7705691 Capacitor interconnection
04/22/2010WO2010044248A1 Communication device, communication system, and communication method
04/22/2010WO2010044210A1 Communication device and communication method
04/22/2010WO2010043613A1 Avionic system comprising a controller and at least one peripheral that are linked by a line mutualized for power and data
04/22/2010WO2010043612A1 Avionic system comprising a controller linked to a peripheral by a line mutualized for power and data
04/22/2010WO2005089048A3 Telephony event management system and method in a communications network
04/22/2010US20100098264 Sports communication system
04/22/2010US20100098175 Electric power transmission system for communications with noise elimination arrangement
04/22/2010US20100098041 Intra-Premises Wireless Broadband Service Using Lumped and Distributed Wireless Radiation From Cable Source Input
04/22/2010CA2740034A1 Avionic system comprising a controller and at least one peripheral that are linked by a line mutualized for power and data
04/21/2010EP2178221A1 Waveform equalizer, its control method, reception device, and its control method
04/21/2010EP2178030A1 Method and system for data communication with an inaccessible electronic device
04/21/2010EP2176998A1 Pseudo-differential interfacing device having a balancing circuit
04/21/2010EP1783996B1 Advanced ADSL splitter
04/21/2010CN1925348B Standing-wave ratio detecting method and device
04/21/2010CN1897558B Cross-connected cable interconnection
04/21/2010CN101150303B Multiple order low pass filter for an xDSL splitter in a telecommunication system
04/20/2010US7702280 Mobile communication system, transmission station, reception station, relay station, communication path deciding method, and communication path deciding program
04/20/2010US7702010 System for monitoring the quality of a communications channel with mirror receivers
04/20/2010US7702008 Method for determing crosstalk coupling and crosstalk determining unit for integration in digital data transmission systems
04/20/2010US7702004 Simultaneous bidirectional differential signalling interface
04/20/2010US7701954 Gateway with voice
04/20/2010US7701325 Power line communication apparatus and method of using the same
04/20/2010CA2398487C Method and apparatus for the control of modem transmit power
04/15/2010WO2009149461A3 Intelligent power system and methods for its application
04/15/2010US20100093275 Relay apparatus
04/15/2010US20100092005 Multidirectional Multisound Information System
04/15/2010US20100092003 Integrating acoustic echo cancellation as a subsystem into an existing videoconference and telepresence system
04/15/2010US20100091935 Non-contacting rotary joint with clock modulation
04/15/2010US20100091889 Method and Apparatus to Select a Profile of a Digital Communication Line
04/15/2010US20100091828 Digital Phase Feedback for Determining Phase Distortion
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