| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 05/03/1999 | CA2250257A1 Method for digital transmission of information |
| 04/29/1999 | WO1999007082A3 Cable interface for data and power supply |
| 04/29/1999 | WO1998045955A3 Serial digital data communications receiver with automatic cable equalizer, agc system, and dc restorer |
| 04/28/1999 | EP0912020A2 Decision method with adaptive thresholds |
| 04/28/1999 | EP0911967A2 Apparatus and method for equilizer filter units |
| 04/28/1999 | EP0911740A2 Bus station and bus system |
| 04/28/1999 | EP0910894A1 Method and apparatus for reducing intermodulation distortion in digital wideband transmission systems |
| 04/28/1999 | CN1215540A Acoustic feedback correction |
| 04/28/1999 | CN1215262A Method and system for reducing wave beam interference and multipass attenuation in satellite communication system |
| 04/27/1999 | US5898454 Phase cancellation in a multi-output distribution amplifier at crossover frequency |
| 04/27/1999 | US5898326 Signal transmission cable driver apparatus without a peaking coil |
| 04/27/1999 | CA2086980C Adaptive equalizer and receiver |
| 04/25/1999 | CA2249492A1 Method and regenerative filter for equalizing digitally transmitted signals |
| 04/22/1999 | WO1999007119A3 Truncated maximum likelihood sequence estimator for wireless local area networks |
| 04/22/1999 | WO1998051066A3 Acoustic echo canceler |
| 04/21/1999 | EP0910194A2 Network test system |
| 04/21/1999 | EP0910178A2 Method and system for reducing interbeam interference and multipath fading in bent-pipe satellite communications systems |
| 04/21/1999 | EP0910175A1 Two-way echo suppressor |
| 04/21/1999 | EP0910166A2 Adaptive filter |
| 04/21/1999 | CN1214818A Disabling tone detector for network echo canceller |
| 04/20/1999 | US5896452 Multi-channel echo canceler and method using convolution of two training signals |
| 04/20/1999 | US5896420 Transmission apparatus having echo cancellation facility |
| 04/15/1999 | WO1999018675A2 Coupling communications signals to a power line |
| 04/15/1999 | WO1999018658A1 Method and apparatus for detecting data in magnetic recording using decision feedback |
| 04/15/1999 | WO1999000906A3 System and method for distributing rf signals |
| 04/14/1999 | EP0909065A2 Apparatus and method for a reduced component equalizer circuit |
| 04/14/1999 | EP0909045A2 Method and apparatus for automatic compensation of first-order polarization mode dispersion (PMD) |
| 04/14/1999 | EP0908048A1 Echo canceller system |
| 04/14/1999 | EP0908034A1 Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 04/14/1999 | EP0908020A2 Frequency domain signal reconstruction in sampled digital communications systems |
| 04/14/1999 | EP0908018A2 System and method for adaptive interference cancelling |
| 04/14/1999 | CN1214171A Appts. and method for non-linear processing in communication system |
| 04/14/1999 | CN1213907A Echo canceler |
| 04/14/1999 | CN1213906A Signal wave shape equalizing device |
| 04/13/1999 | US5894513 Hands-free communication unit having residual acoustic echo suppression means for suppressing residual echoes which have been left unremoved by an echo canceller, a bilateral communication system and a method for suppressing residual echoes |
| 04/08/1999 | WO1999005869A3 Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system |
| 04/08/1999 | WO1998054844A8 Centralized channel selection in a distributed rf antenna system |
| 04/08/1999 | DE19744099A1 Bus station for bus system |
| 04/08/1999 | DE19742801A1 Transmitting process data for regulated drives |
| 04/07/1999 | EP0907276A1 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
| 04/07/1999 | EP0907261A2 Signal waveform equalizer apparatus |
| 04/07/1999 | EP0906668A1 Apparatus for automatic sensing of line amplifier configuration for status monitoring |
| 04/07/1999 | EP0754376A4 Apparatus and method for reducing errors in data caused by noise through the use of blanking |
| 04/07/1999 | CN1042886C Method for transmitting and receiving original information signal |
| 04/06/1999 | US5893056 Methods and apparatus for generating noise signals from speech signals |
| 04/06/1999 | US5893024 Data communication apparatus and method thereof |
| 04/06/1999 | US5892795 Telecommunication system and modem for transmission of modulated information signals over power supply lines |
| 04/06/1999 | US5892757 Asymmetric duplex modem utilizing narrow band echo cancellation |
| 04/06/1999 | US5892756 Portable telecommunication network testing device |
| 04/06/1999 | US5892717 Clamp for differential drivers |
| 04/01/1999 | WO1999016246A2 Pay-per-view program access control system |
| 04/01/1999 | WO1999003221A3 Device and method for determining characteristics of a digital subscriber line |
| 04/01/1999 | WO1998054893A9 Video signal equalization system |
| 03/31/1999 | EP0904672A1 Anti-eavesdropping device |
| 03/31/1999 | CN1212574A Measuring rod for uplink band in CATV transmission network |
| 03/31/1999 | CN1212555A Direction transform echo canceller and method |
| 03/31/1999 | CN1212530A Impedence regulator system and method |
| 03/30/1999 | US5889854 Technique for compensating for signal attenuation on a telephone line |
| 03/30/1999 | US5889835 Method and system for testing a transmission line in a non-addressable network for continuity |
| 03/30/1999 | US5889827 Method and apparatus for digital symbol detection using medium response estimates |
| 03/25/1999 | WO1999014868A1 Echo elimination method, echo canceler and voice switch |
| 03/25/1999 | WO1999014867A1 Echo canceller and echo cancelling method |
| 03/25/1999 | WO1999014739A1 Method for suppressing noise in a digital speech signal |
| 03/25/1999 | DE19819279C1 Automatically operated room divider system |
| 03/25/1999 | CA2784942A1 Utility meter providing an interface between a digital network and home electronics |
| 03/25/1999 | CA2304015A1 Method for suppressing noise in a digital speech signal |
| 03/24/1999 | EP0903911A1 Use of an echo canceller for detecting the signals CAS |
| 03/24/1999 | EP0903853A2 Bus noise reduction circuit using clamping |
| 03/24/1999 | EP0903012A1 Method and apparatus for performing bandedge equalization |
| 03/24/1999 | CN1212092A Method and apparatus for computing measures of echo |
| 03/24/1999 | CN1211865A Use of echo canceller for detection of CAS (call alert signal) signals |
| 03/24/1999 | CN1211744A Method and apparatus for automatic compensation of first-order polarization mode dispersion (PMD) |
| 03/24/1999 | CA2247753A1 Network test system |
| 03/23/1999 | US5887059 System and method for performing echo cancellation in a communications network employing a mixed mode LMS adaptive balance filter |
| 03/23/1999 | US5887050 Repeater apparatus having isolation circuit |
| 03/23/1999 | US5887035 Method for joint equalization and detection of multiple user signals |
| 03/23/1999 | US5887032 Method and apparatus for crosstalk cancellation |
| 03/23/1999 | US5887027 Method of upstream channel modeling for PCM modem |
| 03/23/1999 | US5886748 Equalizing method and equalizer using reference signal |
| 03/23/1999 | US5886619 Communication method in movable body operating system |
| 03/23/1999 | CA2147908C Circuit for broadband video transmission over unshielded twisted wire pairs |
| 03/23/1999 | CA2124662C Multi-channel echo cancelling method and a device thereof |
| 03/18/1999 | WO1999013596A2 Method and apparatus for echo estimation and suppression |
| 03/18/1999 | WO1998057468A3 Dc suppression for pcm modems |
| 03/18/1999 | DE19738127A1 Tonfrequenz-Rundsteuersender mit einem kapazitiven Speicher aufweisenden Pulsstromrichter Audio-frequency ripple control transmitter with a capacitive memory having pulse converter |
| 03/17/1999 | EP0902550A2 Power line communication systems |
| 03/17/1999 | EP0902534A2 Impedance regulator system and method |
| 03/17/1999 | EP0902449A1 Emergency stop switch and emergency stop switch circuit |
| 03/17/1999 | EP0901728A1 Method and apparatus for integration telephone and broadband netwroks |
| 03/17/1999 | EP0901719A1 Non-linear reciprocating device |
| 03/17/1999 | EP0627139B1 Feedback level estimator between loudspeaker and microphone |
| 03/16/1999 | US5884194 Hands-free telephone |
| 03/16/1999 | US5883926 Method and apparatus for communicating data and clock signals |
| 03/16/1999 | US5883923 Data receiver with symbol rate discrimination and statistical analysis functions |
| 03/16/1999 | US5883735 Optical amplifying repeater |
| 03/16/1999 | US5883664 Apparatus and method for testing CATV transmission line |
| 03/16/1999 | CA2061930C Adaptive matched pre-filtering of a decision feedback equalized input |
| 03/11/1999 | WO1999012316A2 Controllable delays in multiple synchronized signals for reduced electromagnetic interference at peak frequencies |
| 03/11/1999 | WO1999012300A2 Echo canceller with retraining sequence depending by a threshold |
| 03/11/1999 | WO1999012276A2 Method and apparatus for echo suppression |