| Patents for H04B 3 - Line transmission systems (31,523) |
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| 04/12/1995 | EP0647375A1 Method and apparatus for objective speech quality measurements of telecommunication equipment |
| 04/11/1995 | US5406552 Device and method for linear listener echo cancellation |
| 04/11/1995 | US5406388 Data communication apparatus |
| 04/11/1995 | US5406249 Method and structure for coupling power-line carrier current signals using common-mode coupling |
| 04/11/1995 | US5406248 Method and apparatus for managing information transmissions on an electrical distribution circuit |
| 04/11/1995 | CA2088684C Residual echo elimination with proportionate noise injection |
| 04/11/1995 | CA2057942C Receiver for processing signals received over diversity channels |
| 04/11/1995 | CA2033796C Regenerative rf bidirectional amplifier system |
| 04/11/1995 | CA2032616C Fiber optic transmission distortion compensation |
| 04/06/1995 | DE4333358A1 Schaltungsanordnung zur Informationsübertragung auf einer Zweidrahtleitung Circuitry for transmitting information on a two-wire line |
| 04/05/1995 | EP0647042A1 Audio frequency modulator-demodulator device for cable distribution networks |
| 04/05/1995 | EP0646249A1 Process for detecting abnormalities in a line to be examined. |
| 04/04/1995 | US5404322 Digital filter and method of design |
| 04/04/1995 | US5404149 Electronic data display device |
| 04/04/1995 | US5404127 Power line communication while avoiding determinable interference harmonics |
| 03/30/1995 | WO1995008890A1 Interference suppression in cdma systems |
| 03/29/1995 | EP0645897A2 Interface circuit with transparent impedance |
| 03/29/1995 | CN1028057C Method of and apparatus for surveying and evaluating linearity of transmitting system |
| 03/28/1995 | US5402496 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
| 03/28/1995 | US5402445 Decision feedback equalizer |
| 03/28/1995 | US5402444 Synchronous data interface circuit and method of equalizing synchronous digital data therefor |
| 03/28/1995 | US5402440 Processes for testing bi-directional serial transmissions, and circuits for their implementation |
| 03/28/1995 | US5402073 Near-end communications line characteristic measuring system with a voltage sensitive non-linear device disposed at the far end |
| 03/28/1995 | CA2071526C Interconnecting and processing system for facilitating frequency hopping |
| 03/22/1995 | EP0644665A2 LSI for signal transmission |
| 03/21/1995 | US5400394 Adaptive echo canceller for voice messaging system |
| 03/21/1995 | US5400017 Transmission apparatus |
| 03/21/1995 | US5399885 Optoelectronic semiconductor device having plural mesas |
| 03/15/1995 | EP0643516A1 Apparatus for detecting line breaks |
| 03/15/1995 | EP0643495A1 Modem with optimum gain echo canceller adaptation |
| 03/15/1995 | CN2192104Y Electric power line high-frenquency current blocking device |
| 03/14/1995 | US5397862 Horizontally twisted-pair planar conductor line structure |
| 03/09/1995 | WO1995006986A1 Fast converging adaptive filter |
| 03/09/1995 | WO1995006946A1 A horizontally twisted-pair planar conductor line structure |
| 03/08/1995 | EP0642231A1 Method for error correction of messages in a mains-powered system |
| 03/08/1995 | EP0642230A1 Speech communication system |
| 03/07/1995 | US5396554 Multi-channel echo canceling method and apparatus |
| 03/07/1995 | US5396519 Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel |
| 03/07/1995 | US5396517 Transversal filter useable in echo canceler, decision feedback equalizer applications for minimizing non-linear distortion in signals conveyed over full duplex two-wire communication link |
| 03/07/1995 | US5396488 Method for non-linear signal processing in an echo canceller |
| 03/07/1995 | US5396299 System and circuit architecture for echo cancellation and a television receiver comprising same |
| 03/02/1995 | WO1995006370A1 An arrangement for filtering equipment-induced radio-frequency interference |
| 03/02/1995 | WO1995005993A1 Electric overhead conveyor |
| 03/02/1995 | DE4328523A1 Device for data transmission in low-voltage electrical systems |
| 03/01/1995 | EP0641110A1 Combined equaliser and demultiplexer |
| 03/01/1995 | EP0641034A2 Interconnection structure for crosstalk reduction to improve off-chip selectivity |
| 02/28/1995 | US5394440 High speed modem systems incorporating distribution preserving Tomlinson encoding and decoding for secondary channels |
| 02/28/1995 | US5394392 Method for transferring information using modems |
| 02/28/1995 | US5394110 Demodulation system having adaptive matched filter and decision feedback equalizer |
| 02/23/1995 | DE4327166A1 Contact arrangement for plug connections |
| 02/22/1995 | EP0639892A1 Digital filter device |
| 02/22/1995 | CN2190382Y Electric carrier apparatus with protector for broadcasting |
| 02/21/1995 | US5392162 Illuminated travel make-up mirror |
| 02/21/1995 | US5391932 Source power coupler |
| 02/16/1995 | WO1995005047A1 An audio processing system for teleconferencing |
| 02/16/1995 | WO1995005030A1 Adaptive equalizer circuit |
| 02/15/1995 | EP0638995A1 A DC coupled amplifier FED by an RF detector |
| 02/15/1995 | CN1098786A Intelligent electric power measuring and control system for liquid carry communication |
| 02/14/1995 | US5390250 Echo canceller with improved doubletalk detection |
| 02/14/1995 | US5390133 Image processor for target detection and tracking |
| 02/14/1995 | CA2058736C Distributed rf repeater arrangement for wireless telephones |
| 02/14/1995 | CA2046250C Hybrid circuit having a two-wire/four-wire converting function |
| 02/14/1995 | CA2032651C Telephone subscriber line voltage change detection |
| 02/14/1995 | CA2031966C Interference suppression in optical communication systems |
| 02/09/1995 | WO1995004406A1 Variable bode equalizer with reversible reactance elements |
| 02/07/1995 | US5388123 Data receiving system |
| 02/07/1995 | US5388092 Echo canceller for two-wire full duplex digital data transmission |
| 02/07/1995 | US5388080 Non-integer sample delay active noise canceller |
| 02/07/1995 | CA2022128C Subscriber unit for wireless digital subscriber communication system |
| 02/02/1995 | WO1995003654A1 Source power coupler |
| 02/01/1995 | EP0637141A2 Near end crosstalk suppression |
| 02/01/1995 | EP0637129A2 Automatic amplitude control for a broad band transmitter |
| 02/01/1995 | EP0636291A1 Coordinated coding for digital transmission |
| 02/01/1995 | EP0577653B1 Process for finding the transmission properties of an electric line |
| 01/31/1995 | US5386477 Active acoustic control system matching model reference |
| 01/31/1995 | US5386424 Apparatus and method for transmitting information between dual redundant components utilizing four signal paths |
| 01/31/1995 | US5386148 Signal conditioning apparatus |
| 01/26/1995 | WO1995002936A1 Power coupler for coupling power from a transmission line to a node thereon |
| 01/26/1995 | WO1995002931A1 Line driver with adaptive output impedance |
| 01/26/1995 | WO1995002926A1 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms |
| 01/26/1995 | WO1995002924A1 Flat cable to flat parallel wire cable |
| 01/25/1995 | EP0635948A1 Method and circuit for correcting performance degradation in a high speed digital cable equalizer |
| 01/25/1995 | EP0635178A1 A method for avoiding self-oscillation in conjunction with echo cancellation |
| 01/24/1995 | US5384853 Active noise reduction apparatus |
| 01/24/1995 | US5384843 Hands-free telephone set |
| 01/24/1995 | US5384806 Modem with time-invariant echo path |
| 01/24/1995 | US5384552 Clock recovery circuit for extracting clock information from a received baseband signal |
| 01/24/1995 | CA2127848A1 Circuit for correcting performance degradation in a bit-rate serial digital cable equalizer |
| 01/19/1995 | WO1995002297A1 Systems with increased information rates using embedded sample modulation and predistortion equalization |
| 01/19/1995 | WO1995002286A1 Mains cable transmission system with external time frame determination |
| 01/19/1995 | DE4323144A1 Wireless information transmission system |
| 01/18/1995 | EP0634842A2 Method and apparatus for disturbance resistant bidirectional information transmission over power distribution networks |
| 01/18/1995 | EP0532717A4 Multimedia high speed network |
| 01/17/1995 | US5382979 Method and circuit for adaptively selecting three-dimensional sub-band image signal |
| 01/17/1995 | CA2034698C Cross-polarization interference canceller |
| 01/11/1995 | EP0633669A1 Method and apparatus for the detection of transmitted data in an electrical power distribution network |
| 01/11/1995 | EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 01/10/1995 | US5381475 Arrangement for suppressing echoes in a digital portable telephone |
| 01/10/1995 | US5381474 Method of converging an echo canceller |
| 01/10/1995 | US5381448 Data receiving apparatus |