| Patents for H04B 3 - Line transmission systems (31,523) |
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| 12/03/2008 | EP1751940A4 Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques |
| 12/03/2008 | EP1512258B1 Apparatus and method for estimating a channel in a multiple input transmission system |
| 12/03/2008 | EP1310048B1 Modular power line network adapter |
| 12/03/2008 | EP1062737B1 Method for setting up echo suppression devices in communication links with automatic machines |
| 12/03/2008 | CN101317350A Power line communication system using hybrid-fiber coaxial and communication device used in the system |
| 12/03/2008 | CN101317341A Power line communication system and communication device used in the system |
| 12/03/2008 | CN101317332A Digital communication system, indoor device, and outdoor device |
| 12/03/2008 | CN101315543A Network digital alarm clock, long-range control method and signal synchronous transmission method |
| 12/03/2008 | CN100440747C Method for transmitting high-frequency signals to low-frequency networks and corresponding system |
| 12/02/2008 | US7461174 Method and system for virtual powerline local area networks |
| 12/02/2008 | US7460604 RF isolator for isolating voltage sensing and gate drivers |
| 12/02/2008 | US7460603 Transmits data to driving circuit; demultiplexer; transistors |
| 12/02/2008 | US7460602 Method for performing high speed serial link output stage having self adaptation for various impairments |
| 12/02/2008 | US7460592 Apparatus for measuring jitter and method of measuring jitter |
| 12/02/2008 | US7460591 Method and apparatus using re-sampled tie records to characterize jitter in a digital signal |
| 12/02/2008 | US7460590 Handheld communication tester and method for testing direct serial communication capability of an intelligent electronic device in a power system |
| 12/02/2008 | US7460589 Eye monitoring and reconstruction using CDR and sub-sampling ADC |
| 12/02/2008 | US7460585 Methods and systems for detecting defects in serial link transceivers |
| 12/02/2008 | US7460553 Process for multiple access and multiple transmission of data in a multi-user system for the point to multipoint digital transmission of data over the electricity network |
| 12/02/2008 | US7460499 Modulation noise estimation mechanism |
| 12/02/2008 | US7460498 System and method for detecting anomalies along telecommunication lines |
| 12/02/2008 | US7460479 Late frame recovery method |
| 12/02/2008 | US7460006 Conformal repeater unit |
| 12/02/2008 | US7459986 Method and apparatus for rejecting common mode signals on a printed circuit board and method for making same |
| 12/02/2008 | CA2464599C Digital communication over 28vdc power line |
| 11/27/2008 | WO2008142979A1 Video conference device |
| 11/27/2008 | WO2008142450A1 Multi-wideband communications over multiple mediums within a network |
| 11/27/2008 | WO2008142449A1 Multi-wideband communications over multiple mediums |
| 11/27/2008 | WO2008141549A1 Composite interface device |
| 11/27/2008 | WO2007149630A3 An efficient doppler compensation method and receiver for orthogonal-frequency-division-multiplexing (ofdm) systems |
| 11/27/2008 | WO2007145876A3 Communication system, apparatus and method |
| 11/27/2008 | WO2007124103A3 System and method for estimation and compensation of radiated feedback coupling in a high gain repeater |
| 11/27/2008 | WO2007112423A3 Intelligent audio speakers |
| 11/27/2008 | US20080292109 Echo Detection |
| 11/27/2008 | US20080292108 Dereverberation system for use in a signal processing apparatus |
| 11/27/2008 | US20080292073 Network for telephony and data communication |
| 11/27/2008 | US20080292007 Power saving techniques for a partial functionality communication link |
| 11/27/2008 | US20080291992 System and method of detecting burst noise and minimizing the effect of burst noise |
| 11/27/2008 | US20080290729 Ethernet interconnection apparatus and method |
| 11/27/2008 | DE202008011515U1 Einrichtung zum automatisierten Einspielen von akustischen Signalen in eine Telekommunikationsanlage Means for automated import of acoustic signals in a telecommunications system |
| 11/27/2008 | DE102007023935A1 Black-box electrical cable for performing signal transmission, has pair of conductors, where open-loop inductance per unit length of conductors is measured when connections of signal conductors remain open and lengths have same value |
| 11/27/2008 | CA2686272A1 Distributed inverter and intelligent gateway |
| 11/26/2008 | EP1995885A1 Method and device for obtaining crosstalk information |
| 11/26/2008 | EP1995884A1 System and method for the application of an LMS method to updating an echo canceller in an ADSL modem |
| 11/26/2008 | EP1994645A1 Method and apparatus for detection and prevention of crosstalk in a multiple tuner receiver |
| 11/26/2008 | EP1716681B1 Channel equalization |
| 11/26/2008 | EP1334572B1 Method and apparatus for reducing transmission power in a high data rate system |
| 11/26/2008 | CN101313485A System |
| 11/26/2008 | CN101313484A Method and apparatus for improving call quality |
| 11/26/2008 | CN101313483A Configuration of echo cancellation |
| 11/26/2008 | CN101313482A Determination of audio device quality |
| 11/26/2008 | CN101312362A Power line carrier and radio frequency bi-network electrical energy meter, communication method thereof |
| 11/26/2008 | CN101312361A Digital subscriber line parameter collecting method, module and circuit management system |
| 11/26/2008 | CN101312360A Filtering method and apparatus thereof, and crosstalk counteracting method and system thereof |
| 11/26/2008 | CN100438727C Wiring structure of printed circuit board transmission line |
| 11/26/2008 | CN100437539C Signal transmission system and signal transmission line |
| 11/25/2008 | US7457423 Multi-accessory vehicle audio system, switch and method |
| 11/25/2008 | US7457354 Method and device of analyzing a signal transmitted via a communication link |
| 11/25/2008 | US7457353 Method and system for mitigating Fourier transform side lobes |
| 11/25/2008 | US7457258 Tunable filter to facilitate communications |
| 11/25/2008 | US7457252 Current imbalance compensation for magnetics in a wired data telecommunications network |
| 11/25/2008 | US7457250 System for communicating with electronic equipment |
| 11/25/2008 | US7456729 Position based tactile reporting |
| 11/25/2008 | US7456696 Circuit and method of compensating for signal delay in a cable |
| 11/25/2008 | US7456516 Power line terminating circuit and method, and power line relay device |
| 11/24/2008 | CA2632069A1 Utility outlets as remote control repeaters |
| 11/20/2008 | WO2008140691A1 Method and apparatus for synchronizing data in a utility system |
| 11/20/2008 | US20080285662 Transformer data coupler with high common mode immunity |
| 11/20/2008 | US20080285661 High speed serial link output stage having self adaptation for various impairments |
| 11/20/2008 | US20080285636 Calibrating jitter |
| 11/20/2008 | US20080285634 Near-end, far-end and echo cancellers in a multi-channel transceiver system |
| 11/20/2008 | DE102007023395A1 Communication engineering signals receiving and evaluating arrangement for e.g. street light, has view mark for time period engaged with one of marks, and disengaged according to flow of period, where period serves as additional time |
| 11/20/2008 | DE102005035664B4 Fahrzeugenergieversorgungsleitungs-Kommunikationssystem Vehicle power line communication system |
| 11/19/2008 | EP1992932A2 Device for technical inspection of an automobile |
| 11/19/2008 | CN101309304A Combined interface apparatus |
| 11/18/2008 | US7454240 Signal processing apparatus |
| 11/18/2008 | US7454209 Adapting operation of a communication filter based on mobile unit velocity |
| 11/18/2008 | US7454011 ADSL communication system having echo canceller and method for downloading filter coefficient of the echo canceller |
| 11/18/2008 | US7453944 Multi-mode signal modification circuit with common mode bypass |
| 11/18/2008 | US7453943 Hybrid circuit for broadband modems |
| 11/18/2008 | US7453935 Multi-pair gigabit ethernet transceiver having decision feedback equalizer |
| 11/18/2008 | US7453933 Method of estimating a signal-to-interference+noise ratio (SINR) using data samples |
| 11/18/2008 | US7453931 Method for measuring the modulation error of digitally modulated high frequency signals |
| 11/18/2008 | US7453927 Method and apparatus to compensate AM-PM delay mismatch in envelope restoration transmitter |
| 11/18/2008 | US7453833 Hybrid-type data transmission apparatus and method suitable for high-performance wireless LAN |
| 11/18/2008 | US7453352 Data communication over a power line |
| 11/18/2008 | US7453289 Transmission circuit, CMOS semiconductor device, and design method thereof |
| 11/18/2008 | US7453284 System for transmission line termination by signal cancellation |
| 11/18/2008 | CA2437477C Method and system for processing subband signals using adaptive filters |
| 11/18/2008 | CA2266277C Method and apparatus for echo control in a communication system |
| 11/13/2008 | WO2008137606A1 Methods of transmitting pilot tones and data in spatial multiplexing transmission |
| 11/13/2008 | WO2008137059A2 Methods and systems for reducing acoustic echoes in multichannel audio-communication systems |
| 11/13/2008 | WO2008136927A1 Modular power line for an electric vehicle |
| 11/13/2008 | WO2008136844A1 Portable entry system and method |
| 11/13/2008 | WO2007136732A3 Wireless repeater with master/slave configuration |
| 11/13/2008 | US20080280557 Transmitting/receiving method, transmitter/receiver, and recording medium therefor |
| 11/13/2008 | US20080279410 Directional hearing enhancement systems |
| 11/13/2008 | US20080279390 Wireless Digital Audio Music System |
| 11/13/2008 | US20080279289 Transmitter, receiver, method for transmitting, method for receiving, fixed length serial burst data transfer system, semiconductor device, and hybrid semiconductor device |
| 11/13/2008 | US20080279269 Systems and methods for loop termination detection based on per-port calibration |