Patents for H04B 3 - Line transmission systems (31,523) |
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08/23/2007 | US20070195719 Local area network of serial intelligent cells |
08/23/2007 | CA2642347A1 Point-to-multipoint high data rate delivery systems from optical node in hfc systems over existing and advanced coaxial network |
08/23/2007 | CA2549918A1 Connector for communications systems having contact pin arrangement and compensation for improved performance |
08/22/2007 | EP1820285A1 Communications connector with floating wiring board for imparting crosstalk compenastion between conductors |
08/22/2007 | EP1820284A1 Communications jack with compensation for differential to differential and differential to common mode crosstalk |
08/22/2007 | EP1820283A2 Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush |
08/22/2007 | EP1820168A2 Power line communication system with automated meter reading |
08/22/2007 | EP1514369B1 Receiver signal strength indication |
08/22/2007 | EP1428000A4 Apparatus for testing aramid fiber elevator cables |
08/22/2007 | EP1040633A4 Echo canceller employing dual-h architecture having variable adaptive gain settings |
08/22/2007 | CN2938582Y Digital user line simulator |
08/22/2007 | CN1333233C Two wire output/power mechanism for remote devices |
08/22/2007 | CN101022290A Electric communication network |
08/21/2007 | US7260753 Methods and apparatus for providing test access to asynchronous circuits and systems |
08/21/2007 | US7260155 Method and apparatus for encoding and decoding digital communications data |
08/21/2007 | US7260152 Method and device for injecting a noise signal into a paired wire communication link |
08/21/2007 | US7260145 Method and systems for analyzing the quality of high-speed signals |
08/21/2007 | US7260143 Tuner for use in cable modem and cable modem including the tuner |
08/21/2007 | US7260065 Data communication apparatus |
08/21/2007 | US7259929 Device and signal processing circuit for magnetic recording, magnetic recording apparatus |
08/21/2007 | US7259482 Distance extender and method making use of same |
08/21/2007 | CA2424276C Method and apparatus for signal integrity verification |
08/21/2007 | CA2384902C Communication method between a master node and slave nodes and communication system employing a master node and slave nodes |
08/21/2007 | CA2307845C Echo canceller employing dual-h architecture having improved coefficient transfer |
08/16/2007 | WO2007092298A1 Method and apparatus for detection and prevention of crosstalk in a multiple tuner receiver |
08/16/2007 | WO2007091655A1 Externally-acquired information power line communication system, data transmission device, data reception device, power line communication method, and power line communication program |
08/16/2007 | WO2007091363A1 Adaptive digital filter and receiver |
08/16/2007 | WO2007090597A1 Method for monitoring and/or controlling or regulating the voltage of at least one cell group in a cellular composite of an energy accumulator |
08/16/2007 | WO2007067125A3 Echo detection |
08/16/2007 | US20070190934 Apparatus and method for selecting relay mode of relay station in multihop relay broadband wireless communication system |
08/16/2007 | US20070190933 Bandwidth efficient HARQ scheme in relay network |
08/16/2007 | US20070190932 Method and system for detecting messages using enhanced distributed signaling |
08/16/2007 | US20070189548 Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
08/16/2007 | US20070189374 Concurrent process for blind deconvolution of digital signals |
08/16/2007 | US20070189372 Asynchronous digital data capture |
08/16/2007 | US20070189334 Multi-carrier communication system |
08/16/2007 | US20070189149 OFDM radio communications system |
08/16/2007 | DE102006007073A1 Remote current supply method for use in e.g. Internet television, involves examining transferred detection value with comparison value, where comparison value considers magnitude of current based on testing instruction |
08/15/2007 | EP1819098A1 Method and device for testing transmission loss of communication line |
08/15/2007 | EP1817850A2 Method and apparatus for waking a person |
08/15/2007 | EP1817847A2 System and method of echo cancellation |
08/15/2007 | EP1413106B1 Software definable block adaptive decision feedback equalizer |
08/15/2007 | EP1287672B1 Method and device for acoustic echo cancellation combined with adaptive beamforming |
08/15/2007 | CN2935638Y Self-carrying device with signal connection terminal |
08/15/2007 | CN1332561C Matched pulse shaping filter |
08/15/2007 | CN101019338A Suppressing echo cancelling in packet switched network |
08/15/2007 | CN101019333A Interference cancellation system |
08/15/2007 | CN101018245A Filter coefficient setting device, filter coefficient setting method, and program |
08/14/2007 | US7257644 Systems and methods for providing presence tracking in a distributed computing system |
08/14/2007 | US7257368 Content distribution system, method for distributing content and computer program thereof |
08/14/2007 | US7257222 Ring voltage generation circuit and method for generating a ring voltage |
08/14/2007 | US7257181 Method and apparatus for channel equalization |
08/14/2007 | US7257166 Data communication apparatus and method based on orthogonal frequency division multiple access |
08/14/2007 | US7257128 Master-slave data transmission in orthogonal frequency-division multiplexing |
08/14/2007 | US7257125 Quality of service half-duplex media access controller |
08/14/2007 | US7256662 Common mode signal suppressing circuit and normal mode signal suppressing circuit |
08/09/2007 | WO2007089987A2 Method for abruptly stopping a linear vibration motor in portable communication device |
08/09/2007 | WO2007089294A1 A radio frequency signal coupler, coupling system and method |
08/09/2007 | WO2007089189A1 Non-intrusive signal quality assessment |
08/09/2007 | WO2007089173A1 A method and a system for cable or subscriber loop investigation performing loop topology identification |
08/09/2007 | WO2007087996A1 System, device and method |
08/09/2007 | WO2007087826A1 Method and a system for providing connectivity of a moving object to a external network |
08/09/2007 | US20070186256 Method and system for a low cost wireless telephone link for a set top box |
08/09/2007 | US20070185693 System estimation method and program, recording medium, and system estimation device |
08/09/2007 | US20070183540 Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements |
08/09/2007 | US20070183460 Method for establishing a user of a data network as a pilot master |
08/09/2007 | US20070183447 Local area network of serial intelligent cells |
08/09/2007 | US20070183301 Method and apparatus to reduce crosstalk in a mimo communication system |
08/09/2007 | US20070183133 Mains wire antenna for wireless interface applications |
08/09/2007 | US20070183131 Mirror image shielding structure |
08/08/2007 | EP1816755A2 Circuit arrangement for the transmission of data signals from and/or to houshold appliances |
08/08/2007 | EP1815607A1 Crosstalk reducing conductor and contact configuration in a communication system |
08/08/2007 | EP1815311A1 Ethernet-to-analog controller |
08/08/2007 | EP1625668A4 Multiple channel interference cancellation |
08/08/2007 | EP1351408B1 Digital point-to-multipoint data transmission system on an electric network |
08/08/2007 | EP1142155B1 Signalling method and telecommunication system |
08/08/2007 | CN2932838Y Indoor power line network transmission device |
08/08/2007 | CN2932836Y 网路连接器 Internet Connector |
08/08/2007 | CN1331149C Phase frequency comparing equipment |
08/08/2007 | CN101015180A Link extender |
08/08/2007 | CN101015134A Method of obtaining spectral voids in the transmission of signals over the electric network |
08/08/2007 | CN101015133A Communication terminal with echo canceller and its echo canceling method |
08/07/2007 | US7254511 Method and apparatus for calibrating a frequency domain reflectometer |
08/07/2007 | US7254433 Signal processing apparatus |
08/07/2007 | US7254217 Fault characterization using information indicative of echo |
08/07/2007 | US7254200 System and method for frequency burst detection for GSM/GPRS |
08/07/2007 | US7254193 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence |
08/07/2007 | US7254181 Transmitting apparatus and method, receiving apparatus and method, and transmitting and receiving apparatus and method |
08/07/2007 | US7254177 Architecture for a digital subscriber line analog front end |
08/07/2007 | US7254170 Noise and channel estimation using low spreading factors |
08/07/2007 | US7254168 Method for decomposing timing jitter on arbitrary serial data sequences |
08/07/2007 | US7254167 Constellation-multiplexed transmitter and receiver |
08/07/2007 | US7254120 Data rate controller |
08/07/2007 | US7254116 Method and apparatus for transceiver noise reduction in a frame-based communications network |
08/07/2007 | CA2385751C Detecting faults in subscriber telephone lines |
08/07/2007 | CA2302256C Predistortion linearizer circuit |
08/02/2007 | US20070178942 Method for abruptly stopping a linear vibration motor in portable communication device |
08/02/2007 | US20070178831 Mobile communication system, transmitting station, receiving station, relay station, communication path determining method, and communication path determining program |
08/02/2007 | US20070178829 Broadcast signal receiving system |
08/02/2007 | US20070177697 Combined channel coding and space-block coding in a multi-antenna arrangement |