| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
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| 01/17/1995 | US5383144 Subsampling method and interpolation method of digital signals |
| 01/12/1995 | WO1995001680A1 Digital signal encoding device, its decoding device, and its recording medium |
| 01/11/1995 | EP0632940A1 Data compression process during storage and/or transmissioin of digital audio signals for studio applications with perceptive coding and variable length code |
| 01/10/1995 | US5381143 Digital signal coding/decoding apparatus, digital signal coding apparatus, and digital signal decoding apparatus |
| 01/04/1995 | EP0632597A2 Audio signal transmitting apparatus and the method thereof |
| 01/03/1995 | US5379355 Data encoding using one or more adaptive decision trees |
| 12/28/1994 | EP0631422A2 A modem with received signals and transmitted signals comprising signal sets |
| 12/28/1994 | EP0631402A2 Variable rate coder |
| 12/28/1994 | EP0631274A2 CELP codec |
| 12/28/1994 | EP0447495B1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio |
| 12/27/1994 | US5377272 Switched signal processing circuit |
| 12/27/1994 | US5377208 Transmission system with random error and burst error correction for a cyclically coded digital signal |
| 12/27/1994 | CA2002015C Perceptual coding of audio signals |
| 12/22/1994 | WO1994029982A1 A speech decoding method and a speech decoder |
| 12/22/1994 | DE4340387C1 Method for the encoded transmission of voice (speech) signals |
| 12/21/1994 | CN1096619A Intensity-stereo encoding and decoding in a transmission system |
| 12/21/1994 | CN1096618A Digital transmission system for transmitting an additional signal such as a surround signal |
| 12/20/1994 | US5375255 Radio receiver comprising analog dynamic compression and digital expansion |
| 12/20/1994 | US5375171 Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information |
| 12/14/1994 | EP0595944B1 Process for finding the overall monitoring threshold during a bit-rate-reducing source coding |
| 12/13/1994 | CA2025336C Cell transfer apparatus and method using a variable rate codec |
| 12/08/1994 | WO1994028542A1 Discriminating between stationary and non-stationary signals |
| 12/08/1994 | CA2139628A1 Discriminating between stationary and non-stationary signals |
| 12/06/1994 | US5371783 Method for continually monitoring the status of a radio frequency link |
| 12/06/1994 | US5371763 Packet mode digital data receiver |
| 11/29/1994 | US5369350 Optical parallel receiver |
| 11/22/1994 | US5367336 Truncation error correction for predictive coding/encoding |
| 11/17/1994 | EP0624291A1 Error protection in a subband coder. |
| 11/15/1994 | US5365545 MODEM-channel bank converter |
| 11/10/1994 | WO1994026068A1 Differential coding and decoding method and related circuits |
| 11/10/1994 | WO1994025961A1 Transmission system comprising at least a coder |
| 11/10/1994 | WO1994025960A1 Transmission system comprising at least a coder |
| 11/10/1994 | CA2161678A1 Differential coding and decoding method and related circuits |
| 11/08/1994 | US5363384 Audio signal demodulation circuit |
| 11/08/1994 | US5363108 Time domain radio transmission system |
| 11/08/1994 | CA1332982C Coding of acoustic waveforms |
| 11/01/1994 | US5361278 Process for transmitting a signal |
| 10/19/1994 | EP0620666A2 Differential continuous phase modulation system for multipath environments |
| 10/19/1994 | EP0620653A2 Devices for recording and/or reproducing or transmitting and/or receiving compressed data |
| 10/12/1994 | EP0398973B1 Method and apparatus for electrical signal coding |
| 10/11/1994 | US5353801 Method for processing an electrical signal, particularly a signal derived from a heart |
| 10/11/1994 | CA2026441C Method for transmitting a signal |
| 09/27/1994 | US5351148 Optical transmission system |
| 09/21/1994 | EP0616434A1 Digital superheterodyne receiver and method for baseband filtering |
| 09/21/1994 | EP0616424A1 Method of and device for detecting pulsatory interference signal in a sound signal |
| 09/21/1994 | CN1092577A 时钟恢复电路 Clock recovery circuit |
| 09/21/1994 | CN1092568A Discrete-time signal processing system |
| 09/20/1994 | US5349356 Simultaneous data transmission and reception system using microwaves |
| 09/16/1994 | CA2118976A1 Intermediate frequency digital receiver and basefand process used in said receiver |
| 09/15/1994 | WO1994021049A1 Method and apparatus for digitizing a wide frequency bandwidth signal |
| 09/15/1994 | CA2117801A1 Method and apparatus for digitizing a wide frequency bandwidth signal |
| 09/14/1994 | EP0615397A2 Noise suppression circuit for radio transceiver microphone |
| 09/14/1994 | EP0615348A1 Devices for recording and/or reproducing or transmitting and/or receiving compressed data and recording medium therefor |
| 09/13/1994 | US5347635 Encoder arrangement having preventive policing circuit (PPC) with statistical measurement circuit (SMC) and data output rate reduction circuit (CRRC) |
| 09/12/1994 | CA2118767A1 Radio transceiver |
| 09/07/1994 | EP0614292A1 Digital signal receiving apparatus with bit error controlled muting |
| 09/07/1994 | EP0614162A2 Voice storage communication system |
| 09/07/1994 | EP0378609B1 Process for transmitting an audio signal |
| 09/06/1994 | CA1331888C Apparatus for decoding a digital signal |
| 09/01/1994 | WO1994019882A1 A method for repeaters to adaptively digitally code received analog information |
| 09/01/1994 | WO1994019790A1 Method for generating a spectral noise weighting filter for use in a speech coder |
| 09/01/1994 | CA2117921A1 A method for repeaters to adaptively digitally code received analog information |
| 08/31/1994 | EP0612410A1 Scanning process for jitter signals |
| 08/31/1994 | CN1091558A Method for the compatible transmission and/or storage and decoding of an auxiliary signal |
| 08/30/1994 | US5343420 Signal discrimination circuit |
| 08/23/1994 | US5341417 Integrated PCM-CODEC circuit with telemetering noise elimination |
| 08/23/1994 | US5341398 Method for repeaters to adaptively digitally code received analog information |
| 08/18/1994 | WO1994018762A1 Transmission of digital data words representing a signal waveform |
| 08/17/1994 | EP0610975A2 Coded signal formatting for encoder and decoder of high-quality audio |
| 08/09/1994 | US5337042 Vehicle communications network transceiver, transmitter circuit therefor |
| 08/03/1994 | EP0608281A1 Process for reducing frequency interlacing during acoustic or optical signal transmission and/or recording. |
| 08/02/1994 | US5334977 ADPCM transcoder wherein different bit numbers are used in code conversion |
| 07/28/1994 | DE3629434C2 Digitales Codierverfahren Digital coding |
| 07/13/1994 | EP0605895A1 Sampling rate converter |
| 07/13/1994 | EP0605751A1 Uart and system using the same |
| 07/12/1994 | US5329553 Decimation filter for a sigma-delta converter and data circuit terminating equipment including the same |
| 06/29/1994 | EP0604209A2 Maximum likelihood data detector |
| 06/28/1994 | US5325399 Digital sigma-delta modulator and arithmetic overflow protected adder |
| 06/22/1994 | CN1088372A Modem-channel bank converter |
| 06/21/1994 | US5323486 Speech coding system having codebook storing differential vectors between each two adjoining code vectors |
| 06/21/1994 | US5323396 Digital transmission system, transmitter and receiver for use in the transmission system |
| 06/21/1994 | US5323154 Data compressing and expanding apparatus |
| 06/15/1994 | EP0601766A1 Audiovisual communication system using variable length packets |
| 06/15/1994 | EP0601437A1 Method for compatible transmission and/or decoding and storage of an auxiliary signal |
| 06/14/1994 | US5321729 Method for transmitting a signal |
| 06/08/1994 | EP0600504A1 Method of and device for speech-coding based on analysis-by-synthesis techniques |
| 06/07/1994 | US5319573 Method and apparatus for noise burst detection in a signal processor |
| 06/07/1994 | US5319457 Variable length image coding system |
| 06/07/1994 | CA1330121C Method and apparatus for improving the resolution of digital signals |
| 06/01/1994 | EP0599825A2 Digital transmission system for transmitting an additional signal such as a surround signal |
| 06/01/1994 | EP0599824A2 Intensity-stereo encoding and decoding in a transmission system |
| 06/01/1994 | EP0599311A2 Clock recovery circuit |
| 06/01/1994 | EP0599132A2 System for processing an audio signal |
| 06/01/1994 | EP0398981B1 Arrangement for a sigma delta converter for bandpass signals |
| 05/31/1994 | US5317672 Variable bit rate speech encoder |
| 05/31/1994 | US5317522 Method and apparatus for noise burst detection in a signal processor |
| 05/25/1994 | EP0598317A2 Broadcast receiver with automatic compression control |
| 05/24/1994 | US5315300 AES/EBU C block generator |
| 05/18/1994 | EP0597633A1 Burst mode digital data receiver |
| 05/18/1994 | EP0597632A1 Packet mode digital data receiver |