| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
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| 08/02/1992 | WO1992014339A1 Method and apparatus for decoding video signals |
| 08/02/1992 | WO1992014325A1 Transmission of multiple carrier signals in a nonlinear system |
| 08/02/1992 | CA2101071A1 Transmission of multiple carrier signals in a nonlinear system |
| 07/29/1992 | EP0496589A2 CODEC synchronisation |
| 07/23/1992 | WO1992012608A1 Decoder for variable-number of channel presentation of multidimensional sound fields |
| 07/23/1992 | WO1992012607A1 Encoder/decoder for multidimensional sound fields |
| 07/22/1992 | EP0495328A1 Sigma delta converter |
| 07/22/1992 | EP0494990A1 Process for transmitting a signal. |
| 07/22/1992 | EP0494918A1 Process for transmitting a signal. |
| 07/15/1992 | EP0494709A2 Signal transmission system |
| 07/07/1992 | US5128963 3-mode PCM/DPCM/APCM maximizing dynamic range |
| 07/07/1992 | US5128758 Method and apparatus for digitally processing a high definition television augmentation signal |
| 07/07/1992 | CA1304786C Digital radio frequency receiver |
| 07/01/1992 | EP0492856A2 Predistortion technique for communications systems |
| 06/24/1992 | EP0491422A1 Circuit arrangement for sampling rate conversion of a digital signal |
| 06/24/1992 | EP0491209A2 Signal processing for optical transmission system |
| 06/24/1992 | EP0471799A4 Time domain radio transmission system |
| 06/23/1992 | US5124701 Quantization device with variable digital coding rate |
| 06/20/1992 | CA2054915A1 Underwater communication system |
| 06/17/1992 | EP0490552A2 Multiplexed coded modulation with unequal error protection |
| 06/16/1992 | US5122877 Method of transmitting a digital video signal and a receiver for use in the method |
| 06/16/1992 | CA1303743C Data encoding |
| 06/09/1992 | US5121366 Underwater communication system |
| 06/09/1992 | US5121349 Digital noise generator |
| 06/09/1992 | US5121243 Wireless optical communication system utilizing a single optical carrier frequency |
| 06/03/1992 | CN1016927B Digital composite tone alerting |
| 05/27/1992 | EP0487376A1 Method and apparatus for modulation recognition |
| 05/26/1992 | US5117228 System for coding and decoding an orthogonally transformed audio signal |
| 05/20/1992 | EP0486232A2 ADPCM decoder with error detection |
| 05/20/1992 | EP0485390A1 Process for transmitting a signal. |
| 05/19/1992 | CA1301072C Speech coding transmission equipment |
| 05/17/1992 | CA2055584A1 Method and device for the recognition of modulations |
| 05/14/1992 | WO1992008289A1 Process, coder and decoder for data transmission and/or storage |
| 05/13/1992 | EP0485108A2 Coded modulation with unequal levels of error protection |
| 05/13/1992 | EP0485105A2 Coding for digital transmission |
| 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 |
| 05/12/1992 | US5113278 Communication system and apparatus using chip signals |
| 05/12/1992 | US5113189 Frequency translating coherent analog to digital conversion system for modulated signals |
| 05/12/1992 | CA1300751C Speech coding system and method |
| 04/28/1992 | US5109437 Method for compressing digital data |
| 04/28/1992 | CA1299751C Digital audio companding and error conditioning |
| 04/22/1992 | EP0481895A2 Method and apparatus for low bit rate transmission of a speech signal using CELP coding |
| 04/21/1992 | US5107358 Method and apparatus for transmitting information |
| 04/15/1992 | EP0480506A1 TDM - information transmission system with a variable structure |
| 04/15/1992 | CN1060380A Four direction adaptive error concealment system for component digital television signals |
| 04/14/1992 | US5105463 System for subband coding of a digital audio signal and coder and decoder constituting the same |
| 04/14/1992 | US5105442 Coded modulation with unequal error protection |
| 04/14/1992 | CA1298918C Sampled data subsampling apparatus |
| 04/08/1992 | EP0479744A1 A method for reducing the risk of poor reception in a mobile telephony system |
| 04/02/1992 | WO1992006467A1 Automatic length-reducing audio delay line |
| 04/01/1992 | EP0478040A2 Four direction adaptive error concealment system for component digital television signals |
| 03/31/1992 | CA1298354C Continuously variable digital delay circuit |
| 03/25/1992 | EP0476973A1 Noise shaping circuit |
| 03/24/1992 | US5099498 Method for suppressing quantization noises superimposed on a sinusoidal audible tone transmitted in a digital telecommunications exchange system |
| 03/24/1992 | CA1297984C Method for determining pcm coding law |
| 03/18/1992 | EP0475520A2 Method for coding an analog signal having a repetitive nature and a device for coding by said method |
| 03/17/1992 | US5097507 Fading bit error protection for digital cellular multi-pulse speech coder |
| 03/15/1992 | WO1992005541A1 Voice coding system |
| 03/11/1992 | CN1015855B Reliable group transmission mode of informations |
| 03/10/1992 | US5095496 Digital audio signal receiver |
| 03/04/1992 | EP0179923B1 System for correcting error in digital data |
| 02/26/1992 | EP0471799A1 Time domain radio transmission system. |
| 02/18/1992 | US5089818 Method of transmitting or storing sound signals in digital form through predictive and adaptive coding and installation therefore |
| 02/12/1992 | EP0470548A1 Method for controlling attenuation in a digital hands-free telephone set |
| 02/12/1992 | EP0470294A2 Notch filter for digital transmission system |
| 02/04/1992 | CA1295432C Method and a system for coding and decoding data for transmission |
| 02/04/1992 | CA1295421C Amplitude enhanced sampled clipped speech encoder and decoder |
| 01/29/1992 | EP0468910A2 Dynamic data compression utilization method and system |
| 01/29/1992 | EP0468479A2 Frame synchronization circuit comprising a series-to-parallel converter |
| 01/28/1992 | US5084904 Signal transmission device |
| 01/22/1992 | EP0377581A4 Analog/digital data storage system |
| 01/15/1992 | EP0466190A2 Quantizing error reducer for audio signal |
| 01/09/1992 | DE4020932A1 Verfahren zum uebertragen einer sich zeitlich aendernden stellgroesse A method for wear by a temporally unchanging manipulated variable |
| 01/08/1992 | EP0465054A1 Communications processor |
| 01/08/1992 | EP0464534A2 Transform coder with adaptive window function |
| 01/08/1992 | EP0464088A1 Digital circuit for encoding binary information |
| 01/08/1992 | EP0185095B1 Digital signal transmission device |
| 12/31/1991 | WO1992000637A1 Process for transmitting a time-variable control parameter |
| 12/31/1991 | CA2084791A1 Process for transmitting a time-variable control parameter |
| 12/31/1991 | CA1293828C P c m signal coding |
| 12/27/1991 | EP0462650A2 Time-division multiplex transmission system |
| 12/18/1991 | EP0461721A1 Transmitter comprising an electronic arrangement for generating a modulated carrier signal |
| 12/18/1991 | EP0461720A1 Electronic arrangement for receiving a modulated carrier signal |
| 12/17/1991 | US5073940 Method for protecting multi-pulse coders from fading and random pattern bit errors |
| 12/17/1991 | US5073778 Digital to analog converter with dither using two parallel paths |
| 12/10/1991 | US5072446 Pcm communication system |
| 12/04/1991 | EP0459358A2 Speech decoder |
| 12/04/1991 | CN1015025B Method of and apparatus for reducing of loran-c navigtional errors |
| 12/03/1991 | US5070515 Method and apparatus for processing digital signal |
| 11/28/1991 | WO1991018361A1 Method and apparatus for encoding and decoding using wavelet-packets |
| 11/26/1991 | CA1292519C Method and arrangement for a sigma delta converter for bandpass signals |
| 11/22/1991 | WO1991018464A1 Hybrid modulation apparatus |
| 11/21/1991 | EP0457391A1 Encoding method and encoding system comprising a subband coder, and a transmitter comprising an encoding system |
| 11/21/1991 | EP0457390A1 Encoding system comprising a subband coder, and a transmitter comprising an encoding system |
| 11/21/1991 | EP0263175A4 Apparatus and method for encoding and decoding attribute data into error checking symbols of main data |
| 11/13/1991 | EP0455738A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio. |
| 11/12/1991 | US5065451 System and method of frequency calibration in a linked compression-expansion (lincompex) system |
| 11/12/1991 | CA1292071C Coding transmission equipment for carrying out coding with adaptive quantization |
| 11/06/1991 | CN1056029A System for cross-connecting high speed digital signals |
| 10/31/1991 | WO1991016769A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |