Patents for H04B 3 - Line transmission systems (31,523) |
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02/25/2010 | CA2734792A1 Arrangement and method for communicating audio and dc signals |
02/24/2010 | EP2157704A1 Device for determining a common-mode signal in a power line communication network |
02/24/2010 | EP2156626A2 Compensating transmit/receive crosstalk over a capacitive barrier of an isolating interface with a differentiating circuit |
02/24/2010 | CN201411293Y Urgency annunciator of elevator |
02/24/2010 | CN201410970Y 64D semi-automatic blocking signal transmission and conversion device |
02/24/2010 | CN101656808A An echo canceler circuit and method |
02/24/2010 | CN101656555A ADSL2+ access system and velocity pre-estimating method thereof |
02/24/2010 | CN100592730C Hybrid-type data transmission apparatus and method for high performance wireless LAN |
02/24/2010 | CN100592652C Signal transmission circuit |
02/23/2010 | US7668324 Folding electronic device |
02/23/2010 | US7668318 Distributed stereo system |
02/23/2010 | US7668235 Jitter measurement algorithm using locally in-order strobes |
02/23/2010 | US7668234 Test signal generating apparatus for communications equipment and test signal generating method for communications equipment |
02/23/2010 | US7668122 Communication apparatus using a transmission medium and method for the same |
02/23/2010 | US7667344 Coupling communications signals to underground power lines |
02/18/2010 | WO2010018562A1 TECHNIQUE FOR NOISE MITIGATION IN xDSL LINES |
02/18/2010 | WO2010017854A1 Method for detecting an ingress of a short-wave radio signal in a power line communication system and power line communication modem |
02/18/2010 | US20100042865 Physical Coding Sublayer for a Multi-Pair Gigabit Transceiver |
02/18/2010 | US20100040204 Performance Testing of Echo Cancellers Using a White Noise Test Signal |
02/18/2010 | US20100039923 Method and System for Crosstalk Cancellation |
02/18/2010 | US20100039245 Vibratory assembly for a vehicle |
02/17/2010 | EP2154790A1 Power line communication device and power line communication method |
02/17/2010 | EP2154789A1 Method for detecting an ingress of a short-wave radio signal in a power line communication system and power line communication modem |
02/17/2010 | EP2153595A2 Distributed scheduling |
02/17/2010 | EP2153537A1 Method and device for crosstalk evaluation and communication system comprising such device |
02/17/2010 | EP2153536A1 Method and device for data processing and communication system comprising such device |
02/17/2010 | EP2153535A1 Method and device for processing a channel and communication system comprising such device |
02/17/2010 | CN201409143Y Conversion device for Ethernet coaxial cables |
02/17/2010 | CN201409131Y Independent miniature modular structure device for carrier communication for coal cutter |
02/17/2010 | CN201409130Y Power line communication carrier equipment |
02/17/2010 | CN201408419Y Marine field controller bus signal collecting device |
02/17/2010 | CN101652933A Arrangements in a digital subscriber line system |
02/17/2010 | CN101652932A Equalizer characteristic optimization method, transmission system, communication device, and program |
02/17/2010 | CN101651472A Carrier wave communication device of power line and carrier wave communication method thereof |
02/17/2010 | CN101651471A Method for estimating crosstalk coefficient in digital subscriber line system and device thereof |
02/17/2010 | CN101651470A Communication apparatus, transmission line communication chip and communication method |
02/16/2010 | US7664459 On-board message repeater for railroad train communications system |
02/16/2010 | US7664458 Wireless communication system that performs diversity combining of radio signals from mobile terminal received through plurality of relay stations |
02/16/2010 | US7664254 System and method for upstream power backoff for xDSL |
02/16/2010 | US7664143 Communications system using adaptive baseband injected pilot carrier symbols and related method |
02/16/2010 | US7664117 Last leg utility grid high-speed data communication network having virtual local area network functionality |
02/16/2010 | US7664060 Information terminal and information terminal system |
02/11/2010 | WO2010017180A1 A bi-directional repeater with a single local oscillator and frequency synthesizer |
02/11/2010 | WO2010015948A1 Method for pseudo-differential transmission using natural electrical variables |
02/11/2010 | WO2010015947A1 Method for pseudo-differential transmission using modal electrical variables |
02/11/2010 | US20100034374 Vectored digital subscriber line system having modular vectoring arrangements |
02/11/2010 | US20100034298 Rail vehicle internal information network device |
02/11/2010 | US20100034297 Communication apparatus, transmission line communication chip and communication method |
02/11/2010 | US20100034094 Access terminal capability update |
02/11/2010 | DE102008029842A1 Method for defining test points in telecommunication network, involves selecting route with least frequency from route list, and defining nodes of node groups as test points when all routes in network are utilized |
02/10/2010 | EP2151966A1 Apparatus and method for transforming and transmitting signal |
02/10/2010 | EP1855398B1 Illumination light communication device |
02/10/2010 | CN101647207A Power line communication system |
02/09/2010 | US7660425 Acoustic echo cancellation |
02/09/2010 | US7660395 Communication channel capacity estimation |
02/09/2010 | US7660350 High-speed multi-mode receiver |
02/09/2010 | US7660349 Transmit equalizer compensation for probe receivers |
02/09/2010 | US7660345 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability |
02/09/2010 | US7659793 Antenna device including a high frequency circuit, a reactance circuit and first and second ground sections |
02/09/2010 | CA2279802C Reduced cost automatic meter reading system and method using locally communicating utility meters |
02/04/2010 | US20100029208 Host apparatus for supporting bluetooth and method therefor |
02/04/2010 | US20100029199 Integral high frequency communication apparatus |
02/04/2010 | US20100027586 Pll circuit, communication device, and loopback test method of communication device |
02/04/2010 | US20100026911 Transmission device, transmission system, transmission method, and computer program product |
02/04/2010 | US20100026087 Power line communication apparatus |
02/04/2010 | US20100026086 Two-wire addressing scheme |
02/04/2010 | DE112007003130T5 Adaptive Gleichtaktentzerrung Adaptive common mode equalization |
02/03/2010 | EP2149200A1 Multi-wideband communications over multiple mediums within a network |
02/03/2010 | EP2149199A1 Multi-wideband communications over multiple mediums |
02/03/2010 | CN101640551A Method, device and system for detecting radio frequency interference |
02/03/2010 | CN100588127C Switch port, power communication integral local network and its network combining method |
02/02/2010 | US7657418 Modern testing system and method |
02/02/2010 | US7657039 Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same |
02/02/2010 | US7656956 Data, power and supervisory signaling over twisted pairs |
02/02/2010 | US7656955 Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data |
02/02/2010 | US7656954 Single-ended tri-level encoding/decoding |
02/02/2010 | US7656939 Adaptive equalizer with passive and active stages |
02/02/2010 | US7656938 Demodulator for a multi-pair gigabit transceiver |
02/02/2010 | US7656827 Apparatus for, and method of, reducing noise in a communications system |
02/02/2010 | US7656285 Method and apparatus for communicating the existence of an emergency situation without uniquely identifying the source of the communication |
02/02/2010 | US7656277 Apparatus for detecting the presence of fog for automotive vehicle |
01/28/2010 | WO2010010216A1 Multi-band data transmission method |
01/28/2010 | WO2009152188A8 Vectored dsl crosstalk cancellation |
01/28/2010 | WO2009149429A3 Robust wideband symbol and frame synchronizer for power-line communication |
01/28/2010 | US20100023989 Relay device, relay method, and program |
01/28/2010 | US20100022282 Echo Canceler Circuit and Method |
01/28/2010 | US20100020863 Determination of receive data values |
01/28/2010 | US20100020859 Signal transmission apparatus and signal transmission control method |
01/28/2010 | US20100019890 Haptic Device Gravity Compensation |
01/27/2010 | CN201393220Y Novel long-distance 40G QSFP communication active copper-cable component |
01/27/2010 | CN101636926A Signal transmission method, transmission and/or reception circuit and apparatus |
01/27/2010 | CN101636925A System and method for combining signals on a differential I/O link |
01/27/2010 | CN100586037C Method of high frequency network communications transmitted over various lines |
01/27/2010 | CN100585658C CAN bus data collector |
01/26/2010 | US7653843 Method and arrangement to estimate transmission channel characteristics |
01/26/2010 | US7653536 Voice and data exchange over a packet based network with voice detection |
01/26/2010 | US7653348 Satellite communications systems, components and methods for operating shared satellite gateways |
01/26/2010 | US7653124 Monitoring differential phase-shifted keying demodulation |
01/26/2010 | US7653015 Local area network of serial intelligent cells |
01/26/2010 | US7653012 Relay transmission of data in a centralized network |