| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 06/09/1992 | US5120705 Superconducting transmission line cable connector providing capacative and thermal isolation |
| 06/09/1992 | CA1303178C2 Multipurpose digital integrated circuit for communication and control network |
| 06/09/1992 | CA1303177C2 Proximity detection system for doors and the like |
| 06/04/1992 | DE4038251A1 Max probability receiver e.g. for mobile communications |
| 06/03/1992 | EP0488456A2 Maximum likelihood receiver |
| 06/03/1992 | EP0487874A2 Signal conditioner |
| 06/03/1992 | EP0487759A1 Reverse battery protection |
| 06/03/1992 | EP0446276A4 Adaptive rate control for echo cancelling modem |
| 06/03/1992 | EP0400001A4 Multipath reduction system |
| 06/03/1992 | EP0333718B1 Echo canceller with adaptive dynamically positioned taps |
| 06/03/1992 | EP0288577B1 Echo canceller with short processing delay and decreased multiplication number and method for controlling an echo signal |
| 06/03/1992 | CN1016901B Computerized pulse remote-detector for line failure |
| 06/02/1992 | US5119326 Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable |
| 06/02/1992 | CA1302539C2 Spread spectrum power line communications |
| 06/02/1992 | CA1302538C2 Spread spectrum power line communications with gold's code |
| 05/29/1992 | WO1992009158A1 Frequency domain adaptive echo canceller for full-duplex data transmission |
| 05/29/1992 | WO1992009147A1 A method and arrangement for use in the elimination of echoes in a subscriber line circuit |
| 05/27/1992 | EP0486888A2 Telephone line unit having programmable read only memory |
| 05/26/1992 | US5117418 Frequency domain adaptive echo canceller for full-duplex data transmission |
| 05/26/1992 | CA1301860C Circuits with multiple controlled gain elements |
| 05/20/1992 | EP0486049A2 Decision feedback equalizer |
| 05/20/1992 | EP0485926A2 Constant-absorption circuit for the bidirectional transfer of an alternating signal |
| 05/20/1992 | CN1061304A Lightning protection method of ground cable unattended repeater |
| 05/19/1992 | US5115213 Frequency equalizer |
| 05/14/1992 | DE4035910A1 Monitoring circuit for railway signalling cable wires - uses low tone generator controlling switch for HF generator |
| 05/13/1992 | EP0485250A1 Electronic data display device |
| 05/13/1992 | EP0484595A1 A digital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission system |
| 05/13/1992 | EP0484383A1 Digital filter and method of design. |
| 05/13/1992 | CN1061117A Digital carrier communicator for distribution network |
| 05/13/1992 | CN1061116A Comprehensive administration and metering apparatus and method for distribution network power consumption information |
| 05/13/1992 | CN1061115A Digital carrier communication system and method for distribution network |
| 05/12/1992 | US5113414 Predistortion arrangement for a digital transmission system |
| 05/12/1992 | US5113389 Noise cancellation |
| 05/12/1992 | US5113142 QAM demodulator having automatic adaptive equalizer |
| 05/12/1992 | CA1300736C Hospital digital data transfer system |
| 05/12/1992 | CA1300713C2 Gateway for use in load control system |
| 05/06/1992 | EP0483439A1 Self-training adaptive equalization method and apparatus |
| 05/06/1992 | EP0343189A4 Tdma communications system with adaptive equalization |
| 05/06/1992 | CN1060941A Electrical net work broadcasting method |
| 05/06/1992 | CN1016556B Ensemble modem structure for imperfect transmission media |
| 05/06/1992 | CN1016553B Subscriber unit for wireless digital subscriber communication system |
| 05/06/1992 | CA2029291A1 Communication line filter |
| 05/05/1992 | US5111418 Method and network configuration for obtaining the gradient of the output signals of a given network for processing discrete-time signals relating to the network parameters |
| 05/05/1992 | CA1300239C Broadband local area network |
| 05/01/1992 | WO1992008298A1 Channel equalisation in particular for fading channels |
| 04/30/1992 | WO1992007428A1 Method to calculate an impulse response |
| 04/30/1992 | WO1991019360A3 Method and apparatus for transmission of data over power lines |
| 04/29/1992 | EP0482033A1 Saw device tapped delay line and apparatus using same. |
| 04/29/1992 | EP0482003A1 Audio signal processor circuit. |
| 04/29/1992 | CN1060751A Spectrum equalization arrangement |
| 04/28/1992 | CA1299789C Dc termination circuit for subscriber cables |
| 04/28/1992 | CA1299698C Shorted-coaxial-cable detector for local-area networks |
| 04/28/1992 | CA1299678C Apparatus and method for adaptive amplitude equalization |
| 04/21/1992 | US5107520 Adaptive predistortion circuit for a digital transmission system |
| 04/16/1992 | WO1992006552A1 Power line communication system |
| 04/16/1992 | CA2028016A1 Autoequalizing bidirectional-to-unidirectional hybrid network |
| 04/15/1992 | EP0480598A1 Repeater method and apparatus |
| 04/15/1992 | EP0480596A2 Circuit and method for determining the duration of the time interval between two signals |
| 04/15/1992 | EP0480507A2 Method and apparatus for communication channel identification and signal restoration by sending a test signal used for channel impulse response calculation |
| 04/15/1992 | EP0480323A2 Line arrangement for compensating cross-talk |
| 04/15/1992 | EP0480322A2 Circuit arrangement for compensating pulse disturbance |
| 04/15/1992 | CN1060376A Coupling circuit for two wire transmission systems |
| 04/14/1992 | US5105440 Method and apparatus for adaptive equalization of pulse signals |
| 04/14/1992 | US5105438 Remotely accessing intelligent network channel terminating equipment device |
| 04/14/1992 | US5105377 Digital virtual earth active cancellation system |
| 04/14/1992 | CA1298884C Coefficient storage reduction in adaptive filters in echo cancellers or decision feedback equalizers |
| 04/11/1992 | CA2052708A1 Line equipment for crosstalk compensation |
| 04/09/1992 | DE4031092A1 Telephone system with modems for public network connections - facilitates transmission of telephone signals between movable handset and fixed telephone point via power distribution wiring |
| 04/08/1992 | EP0479104A2 Multiplex transmitter-receiver system using synchronizing signals derived from power line |
| 04/02/1992 | WO1992005639A1 Apparatus and method for compensating for loss in co-axial cable |
| 04/02/1992 | WO1992001346A3 Multimedia high speed network |
| 04/01/1992 | EP0477660A2 Circuit for receiving information carried by power lines |
| 04/01/1992 | CN2100714U Multi-functional double-direction carrier communicator |
| 03/31/1992 | US5101180 Bidirectional communication line filter and surge protector |
| 03/31/1992 | CA1298346C Communication line transient protection |
| 03/25/1992 | EP0476764A1 Spectrum equalizing device |
| 03/25/1992 | EP0476411A1 Method for the detection of periodical digital signals at the input of a digital echocanceller |
| 03/25/1992 | EP0475984A1 Process for equalizing signals by means of test sequences. |
| 03/24/1992 | US5099518 Electrical conductor of high magnetic permeability material for audio circuits |
| 03/24/1992 | US5099472 Hands free telecommunication apparatus and method |
| 03/21/1992 | CA2025797A1 Apparatus and method for compensating for loss in co-axial cable |
| 03/18/1992 | CN1059628A Residual echo elimination with preportionate noise injection |
| 03/17/1992 | US5097488 Transmission apparatus and method |
| 03/17/1992 | US5097482 Method and apparatus of decision feedback equalization for multipath digital communication |
| 03/11/1992 | EP0427713A4 Modem with improved remote echo location and cancellation |
| 03/11/1992 | CN1015853B Signal transmission method |
| 03/10/1992 | US5095497 Technique for achieving the full coding gain of encoded digital signals |
| 03/10/1992 | US5095291 Communication filter for unshielded, twisted-pair cable |
| 03/10/1992 | CA1297170C Arrangement for equalizing and demodulating binary continuous-phase angle-modulated data signals with a modulation index 0.5. |
| 03/04/1992 | EP0472926A2 Method and apparatus for detecting repetitive sequences |
| 03/04/1992 | EP0204718B1 Full duplex speakerphone for radio and landline telephones |
| 03/03/1992 | US5093843 Digital communicationn system using partial response and bipolar coding techniques |
| 02/26/1992 | EP0472374A2 Transversal equalizer |
| 02/26/1992 | CN2097481U Split-phase insulator for induction communication signals passing through contact network |
| 02/25/1992 | US5091918 Equalizers |
| 02/25/1992 | CA1296439C Cancelling circuit and transmission system |
| 02/25/1992 | CA1296397C Automatic gain control amplifier for compensating cable loss |
| 02/18/1992 | US5090024 Spread spectrum communications system for networks |
| 02/18/1992 | US5089974 Building technical management controller with a two-wire data and power transmission line |
| 02/18/1992 | US5089917 Digital signal recovery apparatus with minimized high frequency noise |