| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 06/28/2000 | EP1014615A2 Full duplex transmission |
| 06/28/2000 | EP1012997A2 Method of and device for measuring echo parameters on telephone lines |
| 06/28/2000 | EP1012996A2 Method and apparatus for echo estimation and suppression |
| 06/28/2000 | CN2385477Y All-digitizing high voltage transmission line digital carrier device |
| 06/28/2000 | CN2385476Y Transmission isolator module |
| 06/28/2000 | CN1258166A Adaptive channel equalizer with train mode |
| 06/28/2000 | CN1258156A Circuit for eliminating echo and side-tone in switch system |
| 06/28/2000 | CN1258136A Apparatus and method for diagnosis of line shunting and grounding fault |
| 06/28/2000 | CA2258404A1 A method of detecting the presence of load coils on subscribers loops, by the use of trans-hybrid loss measurements |
| 06/27/2000 | US6081735 Signal processing apparatus |
| 06/27/2000 | US6081593 Method and apparatus for transmitting white noise for echo cancellation in a voice mail system |
| 06/27/2000 | US6081362 Optical receiver capable of responding to both burst and continuous signals |
| 06/27/2000 | US6081158 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
| 06/27/2000 | CA2200139C Multimodulus blind equalization using piecewise linear contours |
| 06/22/2000 | WO2000036798A2 Network data filtering |
| 06/22/2000 | WO2000036776A1 Transmitting method and transmitting device |
| 06/22/2000 | WO2000036744A1 Low-power programmable digital filter |
| 06/22/2000 | WO2000007304A3 Electric power supply with a device for coupling data signals to a mains supply |
| 06/22/2000 | CA2320892A1 Communication method and communication system |
| 06/22/2000 | CA2286625A1 A power line communications system and method of operation thereof |
| 06/21/2000 | EP1011250A1 A system and method for allocating overhead voltage in the transmission of pots and xdsl signals |
| 06/21/2000 | EP1011235A2 Reception of multicarrier signals over power lines |
| 06/21/2000 | EP1011221A2 An apparatus and method for making transmission characteristics uniform in a wavelength division multiplexing optical communications system |
| 06/21/2000 | EP1011206A2 Apparatus, method and system having reduced power consumption in a multi-carrier wireline environment |
| 06/21/2000 | EP1010248A2 Audio frequency ripple control transmitter with a pulsed a.c. rectifier provided with a capacitive accumulator |
| 06/21/2000 | DE19851872A1 Tiefpaß für eine ADSL-Frequenzweiche Low-pass filter for ADSL crossover |
| 06/21/2000 | CN2384377Y Digital transmitter for low-speed data and high-frequency protection of high-voltage transmission line |
| 06/21/2000 | CN1257624A Method and apparatus for controlling echo on both sides of a connection |
| 06/21/2000 | CN1257389A Process for at least two time bases synchronizing and same synchronized base station |
| 06/21/2000 | CN1257355A Electric power line carrier communication data transmission method |
| 06/20/2000 | US6079034 Hub-embedded system for automated network fault detection and isolation |
| 06/20/2000 | US6078662 Radio frequency interference filter |
| 06/20/2000 | US6078567 Echo cancellation using cross-correlation of buffered receive and transmit sample segments to determine cancelling filter coefficients |
| 06/20/2000 | CA2004005C Echo canceller |
| 06/15/2000 | WO2000035134A1 A system and method for modifying symbol duration for the efficient transmission of information in a time duplex noise enviroment |
| 06/15/2000 | WO2000035133A1 Alternative configurations for an adsl system operating in a time duplex noise environment |
| 06/15/2000 | DE19924937A1 Impedance adapter for adapting impedance of high frequency generator coupled to resistor load, has coupled circuit with core, primary winding and control winding wound around core |
| 06/15/2000 | CA2286541A1 Apparatus, method and system having reduced power consumption in a multi-carrier wireline environment |
| 06/15/2000 | CA2285761A1 A power line communications system and method of operation thereof |
| 06/14/2000 | CN1256834A Equalising and decoding device for frequency-selective digital transmission channel |
| 06/14/2000 | CN1053544C Coincidence quasi duplex centre-less frequency division multiple address and noise-resistance carrier communication system |
| 06/14/2000 | CN1053540C Master/slave structure system for power network communication |
| 06/13/2000 | US6075816 Windowing technique for blind equalization |
| 06/13/2000 | US6075452 Field apparatus and field bus system and method of controlling field apparatus |
| 06/08/2000 | WO2000033526A1 Adaptive channel characterization using decoded symbols |
| 06/08/2000 | WO2000033474A1 Multi-channel wireless speaker system using multiplexed channel combining and frequency diversity |
| 06/08/2000 | WO2000016496A3 Arrangement and method for forming an overall signal, device and method for forming a current signal and a first communication signal, communication system and method for transmitting a first overall signal and a second overall signal |
| 06/07/2000 | EP1006673A1 Load coil device |
| 06/07/2000 | EP1006672A2 Integrated echo canceller and programmable compression encoder/decoder |
| 06/07/2000 | EP1005731A2 Method for eliminating interference in a bipolar data stream and circuitry for implementing said method |
| 06/07/2000 | EP1005721A2 Method of reducing skew in signal carrying cables, and signal carrying cable utilizing such method |
| 06/07/2000 | EP1005720A1 Idle signals and echo cancellation |
| 06/07/2000 | CN2382174Y Carrier resistance setter for low voltage power network |
| 06/07/2000 | CN1255955A Driving system for partition wall system |
| 06/07/2000 | CN1255787A Asymmetrical digital user's line RTD unit card and its control method |
| 06/06/2000 | US6073003 Telephone and auxiliary power distribution system |
| 06/06/2000 | US6072858 Method and apparatus for detecting and reporting a defective telecommunications line |
| 06/06/2000 | US6072782 Efficient echo cancellation for DMT MDSL |
| 06/03/2000 | CA2288954A1 Load coil device |
| 06/02/2000 | WO2000031965A1 Vsb receiver |
| 06/02/2000 | WO2000031890A1 Improvements in, or relating to, vdsl transmission systems |
| 06/02/2000 | WO2000005820A8 Electronic identification, control, and security system for consumer electronics and the like |
| 05/31/2000 | EP1005205A2 Fast start-up for multicarrier systems |
| 05/31/2000 | EP1005173A2 Communication system using shielded power cables |
| 05/31/2000 | EP0776567B1 Analysis of audio quality |
| 05/31/2000 | EP0733289A4 Optimization of transmitted pulse shape and receiver timing in digital system |
| 05/31/2000 | CN2381068Y PCM communication interface machine with inside telephone connection and outside service |
| 05/31/2000 | CN1255255A Echo reducing phone with state machine controlled switches |
| 05/31/2000 | CN1254993A Method for transmitting signals over power transmission lines |
| 05/30/2000 | US6070114 Data transmission system |
| 05/30/2000 | US6069917 Blind training of a decision feedback equalizer |
| 05/30/2000 | US6069556 Interface device bi-directional connection of currents carrying low voltage/radiofrequency |
| 05/30/2000 | US6069457 Method and apparatus for controlling lights and other devices |
| 05/30/2000 | CA2199309C Flash-cut of speech processing features in a telephone call |
| 05/30/2000 | CA2132428C Speech communication apparatus |
| 05/25/2000 | WO2000030316A1 Method and device for detecting periodical noise section in digital subscriber line transmission system |
| 05/25/2000 | WO2000030308A2 Equalizer for multi-pair gigabit ethernet |
| 05/25/2000 | WO2000030272A2 Method and device for precise measurement of return loss over a wide dynamic range |
| 05/25/2000 | WO2000030269A1 Data access arrangement for a digital subscriber line |
| 05/25/2000 | WO2000029860A2 Dynamic register with iddq testing capability |
| 05/25/2000 | DE19956088A1 Einseiten-Unterband-Filter One-side sub-band filter |
| 05/25/2000 | DE19853976A1 Datenübertragungssystem unter Verwendung von Kabeln A data transmission system using cables |
| 05/25/2000 | DE19853348A1 Verfahren zur Signalübertragung über Stromversorgungsleitungen A method of signal transmission over power lines |
| 05/25/2000 | CA2290239A1 Simultaneous bidirectional data transmission system and method |
| 05/24/2000 | EP1003295A2 Non-saturating, flux cancelling diplex filter for power line communications |
| 05/24/2000 | EP1003294A2 Method for power line communication |
| 05/24/2000 | EP1003293A1 Process for synchronizing at least two time bases each belonging to a base station and base station thus synchronized |
| 05/24/2000 | EP1003292A1 Method for extracting electrical signals without disrupting the pair of lines |
| 05/24/2000 | EP1003086A2 Method for monitoring and/or controlling devices |
| 05/24/2000 | EP1002404A2 Truncated maximum likelihood sequence estimator for wireless local area networks |
| 05/24/2000 | EP1002378A1 Appliance control system utilizing bidirectional power line communications |
| 05/24/2000 | EP0663085B1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 05/24/2000 | CN1254459A Data transfer method and system in low voltage networks |
| 05/24/2000 | CN1052838C Receiver for suppressing ghosts in signals modulating carrier in quadrature phasing with video carrier |
| 05/23/2000 | US6067179 Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 05/23/2000 | US6066953 Architecture for RF signal automatic test equipment |
| 05/23/2000 | US6066801 Cable television/telephone tap |
| 05/23/2000 | US6065994 Low-crosstalk electrical connector grouping like conductors together |
| 05/23/2000 | CA2290045A1 Single-sided subband filters |
| 05/23/2000 | CA2137005C Method and apparatus for objective speech quality measurements of telecommunication equipment |