| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 09/22/1992 | US5150111 Apparatus for and method of detecting an abnormality in a signal |
| 09/22/1992 | US5150064 Method and apparatus for determining parameters of a transmission line deployed in a seawater environment |
| 09/16/1992 | EP0504061A1 Method and circuit for testing serial bidirectional transmissions |
| 09/16/1992 | EP0503729A2 Optoelectronic semiconductor device and method of manufacturing such a device |
| 09/16/1992 | EP0503728A2 Data receiver comprising a control loop with reduced sampling frequency |
| 09/16/1992 | EP0503660A2 Multi-channel echo canceling method and apparatus |
| 09/16/1992 | EP0503528A2 Subscriber line interface circuit for ISDN and POTS applications, including echo canal cirenitry |
| 09/16/1992 | CN1064577A Remote line test facility |
| 09/16/1992 | CN1064576A High-low voltage transmission system for power network broadcast |
| 09/15/1992 | US5148448 Adaptive predistortion circuit with memory |
| 09/15/1992 | US5148427 Non-linear echo canceller |
| 09/15/1992 | US5148426 Integrated echo canceling multiplexor |
| 09/15/1992 | US5148144 Data communication network providing power and message information |
| 09/09/1992 | EP0502176A1 Power line communication system. |
| 09/09/1992 | CN2115622U High frequency carrier channels mixed coupling filter |
| 09/08/1992 | US5146494 Overlapping look-up-and-add echo canceller requiring a smaller memory size |
| 09/08/1992 | US5146470 Adaptive digital filter including low-pass filter |
| 09/03/1992 | WO1992015177A1 Apparatus for two wire communication with memory device |
| 09/02/1992 | EP0501907A2 Methods and apparatus particularly useful for blind deconvolution |
| 09/02/1992 | EP0501775A2 Remote line test facility |
| 09/02/1992 | EP0501451A2 Method and arrangement for generating tap-coefficients updating inhibit signal in speakerphone |
| 09/02/1992 | EP0501449A2 Automatic equalizer |
| 09/02/1992 | CN1064166A Signal conditioner |
| 08/29/1992 | WO1992016054A1 Signal weighting system for digital receiver |
| 08/28/1992 | CA2061899A1 Remote line test facility |
| 08/26/1992 | EP0500394A2 Input-weighted transversal filter |
| 08/26/1992 | EP0500041A2 Decision-feedback equalizer capable of producing an equalized signal at a high speed |
| 08/25/1992 | US5142551 Signal weighting system for digital receiver |
| 08/25/1992 | CA1306772C Two-wire loop electric circuit arrangement |
| 08/22/1992 | CA2061639A1 Input-weighted transversal filter |
| 08/20/1992 | WO1992014306A1 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
| 08/19/1992 | EP0499227A2 Adaptive equalizer which carries out an equalization operation with reference to a magnitude of fading |
| 08/15/1992 | WO1992015156A1 A device for shutting off an adaptive algorithm |
| 08/15/1992 | CA2104124A1 Device for shutting off an adaptive algorithm |
| 08/14/1992 | CA2058157A1 Adaptive equalizer |
| 08/13/1992 | DE4104216A1 Leitungsrohr zum transport eines mediums Conduit for transporting a medium |
| 08/12/1992 | EP0498655A2 Integrated enroute and approach guidance system for aircraft |
| 08/12/1992 | EP0498574A2 Waveform equalizer apparatus formed of neural network, and method of designing same |
| 08/12/1992 | EP0498456A1 Predistorter and method for linearization of electronic and optical signals |
| 08/12/1992 | EP0498369A2 Method and apparatus for echo cancellation of a multicarrier signal |
| 08/12/1992 | EP0498177A2 Method and arrangement for generation of transmission multiplex signal and for synchronization of a reception multiplex signal on the transmission multiplex signal |
| 08/12/1992 | EP0497879A1 Transmission of broadband signals. |
| 08/11/1992 | US5138453 Ghost cancelling circuit having filter controlled by variable limiter |
| 08/06/1992 | WO1992013411A1 Bus coupler |
| 08/05/1992 | EP0496797A1 In-wire selective cancellation system |
| 08/05/1992 | CN2112234U Duplex carrier telephone |
| 08/05/1992 | CN2112233U Anti-theft and fault alertor in use for village broadcast telephone line |
| 08/05/1992 | CN1017768B Method and equipment for communication in underground channel |
| 08/05/1992 | CA2060250A1 Method and apparatus for echo cancellation of a multicarrier signal |
| 08/04/1992 | US5136577 Sub-band acoustic echo canceller |
| 08/04/1992 | US5136576 Transmission system |
| 08/01/1992 | CA2068343A1 Methods and apparatus for providing reciprocal impedance conversion |
| 07/29/1992 | EP0496717A1 A method and a device for transmitting the data over a noisy medium |
| 07/29/1992 | EP0496467A2 Receiver for digital transmission system controlled by the measured quality factor of the signal and with improved power consumption |
| 07/29/1992 | CN2111600U Diplex carrier telephone set |
| 07/28/1992 | US5134311 Self-adjusting impedance matching driver |
| 07/28/1992 | CA1305756C Transverse filter |
| 07/22/1992 | EP0495509A2 Feeding system and feeding method for a submarine cable communication system |
| 07/22/1992 | EP0495431A1 Image control apparatus for a television receiver |
| 07/22/1992 | EP0495001A1 Field-mounted control unit |
| 07/22/1992 | EP0494877A1 Wideband digital equalizers for subscriber loops |
| 07/21/1992 | US5132963 Echo cancelling device providing adjustment of the echo canceller coefficients during full-duplex transmission |
| 07/21/1992 | US5132639 Predistorter for linearization of electronic and optical signals |
| 07/16/1992 | DE4100613A1 Applying noise signal to transmission line for testing - generating noise current and noise voltage such that ratio of voltage to current equals transmitter input impedance |
| 07/14/1992 | US5131032 Echo canceller and communication apparatus employing the same |
| 07/14/1992 | US5131028 Methods and apparatus for providing reciprocal impedance conversion |
| 07/14/1992 | US5130678 Transmission line transformer with DC isolation |
| 07/14/1992 | US5130664 One GHZ CATV repeater station |
| 07/14/1992 | CA1305229C Radio bus system |
| 07/09/1992 | WO1992011717A1 Data transmission system |
| 07/08/1992 | EP0494003A1 Receiver for processing signals which are received over diversity paths |
| 07/08/1992 | EP0470185A4 Power-line communication apparatus |
| 07/08/1992 | EP0282577B1 Energy management system |
| 07/07/1992 | US5128992 Hybrid circuit |
| 07/07/1992 | US5128619 System and method of determining cable characteristics |
| 07/05/1992 | WO1992012583A1 Adaptive acoustic echo canceller |
| 07/01/1992 | EP0492856A2 Predistortion technique for communications systems |
| 07/01/1992 | CN1017296B Ensemble modem structure for imperfect transmission media |
| 06/30/1992 | US5127045 Identifying telephone controller system |
| 06/30/1992 | US5126702 Current supply means for wideband distribution |
| 06/30/1992 | US5126681 In-wire selective active cancellation system |
| 06/24/1992 | EP0491430A1 Echo canceller with improved doubletalk detection |
| 06/24/1992 | EP0491378A2 A power feeding system for an optical transmission system |
| 06/24/1992 | EP0491301A1 Apparatus and method for signal reproduction |
| 06/24/1992 | EP0491063A1 Adaptive balance filter |
| 06/24/1992 | EP0491062A1 Method for in-service monitoring of transmission systems of the electrical telecommunication technique and apparatus for implementing this method |
| 06/24/1992 | CN1062249A Voice duplex channel echo cancelling method and canceller |
| 06/23/1992 | US5124673 Level independent automatic cable equalizer |
| 06/17/1992 | EP0490427A2 Receiver with at least two receive branches |
| 06/17/1992 | EP0489787A1 Coupler verification test circuit |
| 06/16/1992 | US5123052 Method and apparatus for reducing the attenuation and phase shift of low frequency components of audio signals |
| 06/16/1992 | US5123031 Control voltage generator in a transmitter arrangement for digitally modulated signals |
| 06/11/1992 | WO1992010066A1 Spectrally selective dithering and color filter mask for increased image sensor blue sensitivity |
| 06/11/1992 | WO1992010029A1 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media |
| 06/10/1992 | EP0489194A1 Circuit arrangement |
| 06/10/1992 | CN1061862A Field bus system and virtual field apparatus |
| 06/09/1992 | US5121415 Adjusting filter coefficients |
| 06/09/1992 | US5121410 Method for the transmission of data or commands and device for carrying out said method |
| 06/09/1992 | US5121211 System for echo cancellation comprising an improved ghost cancellation reference signal |
| 06/09/1992 | US5121088 Frequency response equalizer |