| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 03/07/2007 | CN1925347A Method and device for rapid diagnosis of digital user wire disconnection |
| 03/07/2007 | CN1925346A Detecting method for double speaking state in echo wave counteract |
| 03/06/2007 | US7187909 Current mode transmitter |
| 03/06/2007 | US7187907 Simultaneous two-way transmission of information signals in the same frequency band |
| 03/06/2007 | US7187766 Methods and systems for compensating for alien crosstalk between connectors |
| 03/06/2007 | US7187765 Method of capturing constant echo path information in a full duplex speakerphone using default coefficients |
| 03/06/2007 | US7187731 Precise frequency estimation of short data bursts |
| 03/06/2007 | US7187719 Method and system for data rate optimization in a digital communication system |
| 03/06/2007 | US7187695 Local area network of serial intelligent cells |
| 03/06/2007 | US7187276 Power line communication system and method of using the same |
| 03/06/2007 | CA2361803C Method of handling telephone signals supplied by an analog telephone set and data supplied by a data terminal |
| 03/01/2007 | WO2007023527A1 Power line carrier signal processing device |
| 03/01/2007 | WO2007022704A1 Shared receiver and transmitter filter |
| 03/01/2007 | WO2006078579A3 Pedal kickdown mechanism and treadle attachment mechanism |
| 03/01/2007 | US20070047738 Adaptive estimation and compensation of clock drift in acoustic echo cancellers |
| 03/01/2007 | US20070047664 Multi-band line interface circuit with line side cancellation |
| 03/01/2007 | US20070047636 High speed line equalizer and method thereof |
| 03/01/2007 | CA2620942A1 Headset with flashing light emitting diodes |
| 02/28/2007 | EP1758260A1 Method of obtaining spectral voids in the transmission of signals over the electric network |
| 02/28/2007 | EP1757056A2 Multicarrier communication apparatus, system and method with reduced radiation power |
| 02/28/2007 | EP1756965A2 Telephony event management system and method in a communications network |
| 02/28/2007 | EP1756964A2 Circuit for reducing interfering signals in the symmetric subscriber access line caused by crosstalk |
| 02/28/2007 | EP1756963A1 Fext determination system |
| 02/28/2007 | EP1756962A2 Automatic adaptive equalization method and system for high-speed serial transmission link |
| 02/28/2007 | EP1756960A2 Ultra-wideband communication through a wire medium |
| 02/28/2007 | EP1756829A1 Method and apparatus for control of personal digital media devices using a vehicle audio system |
| 02/28/2007 | EP1756681A2 Household appliance control system |
| 02/28/2007 | EP1627473B1 Power supply via data lines in local networks |
| 02/28/2007 | EP0806101B1 Method and apparatus for testing a digital communication channel at variable or fixed data rates |
| 02/28/2007 | CN1922897A Code tree fragmentation in call admission control |
| 02/28/2007 | CN1922827A Method and communication system for the transmission of data in a motor vehicle |
| 02/28/2007 | CN1922799A Communication apparatus and communication method |
| 02/28/2007 | CN1921329A Power cord chopped wave communication transmitting-receiving circuit |
| 02/28/2007 | CN1921328A Multi-jack cable adapter for multi-cable testing and alien cross-talk cable testing |
| 02/28/2007 | CN1921327A Interconnection and control of alien cross-talk test signal units |
| 02/28/2007 | CN1921323A Receiver for multiuser detection CDMA signals |
| 02/28/2007 | CN1302628C Digital transponder |
| 02/27/2007 | US7184497 Method of estimating a signal-to-interference+noise ratio (SINR) |
| 02/27/2007 | US7184484 Method and apparatus for serial data communication |
| 02/27/2007 | US7184476 Adaptive equalizer for controlling operation thereof by using sign and absolute value of output signal thereof |
| 02/27/2007 | US7184475 Adjustment for equalization parameters in receivers |
| 02/27/2007 | US7184470 Method and apparatus for measurement of jitter |
| 02/27/2007 | US7184469 Systems and methods for injection of test jitter in data bit-streams |
| 02/27/2007 | US7184416 Techniques to cancel echo tail |
| 02/27/2007 | US7183901 Local network using an electrical power distribution system and associated reflection device |
| 02/27/2007 | US7183900 Coupling circuit arrangement for data communication over power lines |
| 02/27/2007 | US7183895 System and method for dynamic stand-off biometric verification |
| 02/22/2007 | WO2007021861A2 Directional speaker system |
| 02/22/2007 | WO2007021384A2 Method and apparatus for pilot signal transmission |
| 02/22/2007 | WO2007021378A2 Single transistor alternator field buck/boost |
| 02/22/2007 | WO2007020470A1 Shelving |
| 02/22/2007 | WO2007020152A1 Communication system, in particular for influencing rail vehicles |
| 02/22/2007 | WO2007020141A1 Device for optimising the energy consumption of an electric circuit component |
| 02/22/2007 | WO2007019799A1 Method and system for accessing an ims and the ims |
| 02/22/2007 | WO2006110047B1 High frequency signal hub and transmission system |
| 02/22/2007 | WO2006053178A3 Actuating a security system using a wireless device |
| 02/22/2007 | WO2006047440A3 Arrangement of inductive couplers for data communication |
| 02/22/2007 | US20070041590 Directional speaker system |
| 02/22/2007 | US20070041440 Method and device for echo cancellation |
| 02/22/2007 | US20070041434 Apparatus and method of on-channel repeater |
| 02/22/2007 | US20070041340 Modular outlet |
| 02/22/2007 | US20070041339 Modular outlet |
| 02/22/2007 | DE10037489B4 Fehlererfassungsvorrichtung für ein Kommunikationssystem A failure detection device for a communication system |
| 02/21/2007 | EP1755253A1 Diagnostic method and transceiver for multicarrier modems |
| 02/21/2007 | EP1754316A2 Fext cancellation of mated rj45 interconnect |
| 02/21/2007 | EP1754051A1 Method for correcting the influence of signal transmission lines on changes of signal transit times when conducting ultrasonic measurements |
| 02/21/2007 | CN2872744Y Network wire connector with positive/negative switch function |
| 02/21/2007 | CN1918870A Method and apparatus to reduce crosstalk in a mimo communication system |
| 02/21/2007 | CN1918811A Method and apparatus for equalization and crosstalk mitigation |
| 02/21/2007 | CN1918809A Mobile communication system and wireless apparatus used therein |
| 02/21/2007 | CN1917386A Method for detecting both speaking status in operatioon of echo cancel |
| 02/20/2007 | US7181024 Portable audio listening apparatus |
| 02/20/2007 | US7180998 Regulator for impedance balance of a transmission wire pair |
| 02/20/2007 | US7180965 Phase estimation and compensation in orthogonal frequency division multiplex (OFDM) systems |
| 02/20/2007 | US7180951 Reduction of aggregate EMI emissions of multiple transmitters |
| 02/20/2007 | US7180950 Low-noise feedback cancellation filter for enhanced common-mode rejection and noise immunity |
| 02/20/2007 | US7180941 Transmit amplitude independent adaptive equalizer |
| 02/20/2007 | US7180937 Method for determining imbalance in a vector signal modulator |
| 02/20/2007 | US7180935 System and method for compensating for delay time fluctuations |
| 02/20/2007 | US7180892 Voice and data exchange over a packet based network with voice detection |
| 02/20/2007 | US7180718 Shielded energy conditioner |
| 02/20/2007 | US7180412 Power line communication system having time server |
| 02/15/2007 | WO2007017934A1 Power line communication system |
| 02/15/2007 | WO2007000777B1 Broadband hf/vhf/uhf communication on power lines |
| 02/15/2007 | US20070036345 Method and system for filtering a signal and for providing echo cancellation |
| 02/15/2007 | US20070036248 Frequency offset estimator |
| 02/15/2007 | US20070036209 Jitter producing circuitry and methods |
| 02/15/2007 | US20070036179 Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems |
| 02/15/2007 | US20070036066 Method and apparatus for pilot signal transmission |
| 02/15/2007 | US20070035355 Method for suppressing resonant effect between capacitors connected in parallel |
| 02/15/2007 | DE202006014495U1 Electrical device`s electrical load remote controlling and monitoring device for use over e.g. Intranet, has web server receiving and converting transmission control protocol/Internet protocol signals into control signals over control line |
| 02/14/2007 | EP1751940A2 Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques |
| 02/14/2007 | EP1449337B1 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer |
| 02/14/2007 | EP1194858B1 Data transmission system |
| 02/14/2007 | CN2870312Y Current type carrier-wave signal coupler |
| 02/14/2007 | CN1914855A DSL system estimation and parameter recommendation |
| 02/14/2007 | CN1914821A Telecommunications system indicator and protector |
| 02/14/2007 | CN1914820A Cable diagnostics for 10GBASE-T transceivers |
| 02/14/2007 | CN1914819A Echo canceller with interference-level controlled step size |
| 02/14/2007 | CN1914818A Communication channel calibration for drift conditions |