| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
|---|
| 11/05/2002 | US6476745 Voice codec automatic gain control |
| 10/31/2002 | US20020159645 Transmission apparatus of video information, transmission system of video information and transmission method of video information |
| 10/31/2002 | US20020158784 Wireless local loop terminal and system having high speed, high resolution, digital-to analog converter with off-line sigma delta conversion and storage |
| 10/31/2002 | US20020158781 Coding a data stream |
| 10/31/2002 | US20020158780 Method and apparatus for decoding |
| 10/30/2002 | EP0857385B1 Digital-to-analog communication device and method |
| 10/30/2002 | CN1377524A Method and device for channel encoding in information transfer system |
| 10/29/2002 | US6473497 Digital telephone set |
| 10/29/2002 | US6473449 High-data-rate wireless local-area network |
| 10/29/2002 | US6473008 System for sampling a data signal |
| 10/28/2002 | EP1010278A4 Method and system for controlling speech encoding in a communication system |
| 10/28/2002 | EP1008244A4 Method and system for controlling an encoding rate in a variable rate communication system |
| 10/24/2002 | WO2002084320A2 Method and system for increasing bit rate of digital messages in loran-c navigation systems |
| 10/24/2002 | US20020154701 Digital preemphasizer for transmission of PCM codes |
| 10/24/2002 | CA2443210A1 Method and system for increasing bit rate of digital messages in loran-c navigation systems |
| 10/23/2002 | CN1093340C Speech transmission/reception system in which error data is replaced by speech synthesized data |
| 10/22/2002 | US6470470 Information coding method and devices utilizing error correction and error detection |
| 10/22/2002 | CA2232446C Coding and decoding system for speech and musical sound |
| 10/22/2002 | CA2017935C Digital transmission system, transmitter and receiver for use in the transmission system, and record carrier obtained by means of the transmitter in the form of a recording device |
| 10/17/2002 | WO2002082426A1 Adpcm speech coding system with phase-smearing and phase-desmearing filters |
| 10/17/2002 | WO2002082425A1 Adpcm speech coding system with specific step-size adaptation |
| 10/16/2002 | EP1249114A2 Method and devices for transmitting and receiving information |
| 10/16/2002 | EP0906681A4 Improved coding system for digital transmission compression |
| 10/16/2002 | CN1375147A Method and apparatus for communication using pulse decoding |
| 10/16/2002 | CN1092895C Radio transmission output control circuit for TDMA communication |
| 10/16/2002 | CN1092872C Bit serial digital expander |
| 10/10/2002 | WO2002080370A2 Oversampling in analogue-digital and digital-analogue converters |
| 10/09/2002 | EP1248427A1 Receiver |
| 10/09/2002 | EP1247344A2 Method and arrangement for implementing intra-frame interleaving |
| 10/09/2002 | CN1092427C Vorsh QPSK sheet modulating eqipment for producing signal waveform |
| 10/09/2002 | CN1092420C Audio data decoding apparats and audio data coding/decoding system |
| 10/08/2002 | US6463556 Method and apparatus for interleaving in a communication system |
| 10/08/2002 | US6463103 Frame-based sign inversion method and system for spectral shaping for pulse-coded-modulation modems |
| 10/02/2002 | CN1372732A Method for sending information in a telecommunication system |
| 10/02/2002 | CN1372683A Method for improving the coding efficiency of an audio signal |
| 10/02/2002 | CN1091990C Pulse communication method and its device |
| 10/01/2002 | USRE37864 Quantizing error reducer for audio signal |
| 10/01/2002 | US6459743 Digital reception with radio frequency sampling |
| 09/26/2002 | WO2002037768A8 Communication system and communication control apparatus and method |
| 09/26/2002 | US20020136313 Time-sectionalized demodulator |
| 09/25/2002 | CN1371560A Method and system for adaptive voice buffering |
| 09/25/2002 | CN1371548A 采样速率变换器 Sampling rate converter |
| 09/25/2002 | CN1371188A Protection method based on business in optical network |
| 09/24/2002 | US6456666 Signal encoding for transmission of multiple digital signals over single physical medium |
| 09/24/2002 | US6456609 Code division multiple access mobile communication system |
| 09/24/2002 | US6456164 Sigma delta fractional-N frequency divider with improved noise and spur performance |
| 09/19/2002 | US20020131513 Device for improving voice signal in quality |
| 09/19/2002 | US20020131392 Method and device for channel encoding in an information transfer system |
| 09/19/2002 | US20020130801 Analog isolation system with digital communication across a capacitive barrier |
| 09/18/2002 | EP1241833A1 Communication system and communication control apparatus and method |
| 09/18/2002 | EP1018221B1 Method and circuit for the transmission of messages using approximated hermite functions |
| 09/18/2002 | CN1370357A Method and appts. for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
| 09/17/2002 | US6452547 Method of and apparatus for expanding the digital bit rate potential for communication added to loran-c radio navigation pulse trains and the like, without affecting the navigation capability and integrity thereof |
| 09/12/2002 | WO2002071614A1 Sigma delta fractional-n frequency divider with improved noise and spur performance |
| 09/12/2002 | US20020126645 Polarity-alternated pulse width CDMA and method for measuring distance using the same |
| 09/11/2002 | EP0906613B1 Method and device for coding an audio signal by "forward" and "backward" lpc analysis |
| 09/10/2002 | US6449313 Shaped fixed codebook search for celp speech coding |
| 09/10/2002 | US6449244 Implementation of orthogonal narrowband channels in a digital demodulator |
| 09/05/2002 | US20020122518 Sampling frequency conversion apparatus |
| 09/05/2002 | US20020121938 Sigma delta fractional-n frequency divider with improved noise and spur performance |
| 09/04/2002 | EP1195019A4 Direct conversion delta-sigma receiver |
| 09/04/2002 | EP1086446B1 A system and method for communicating with plural remote transmitters |
| 09/04/2002 | CN1090409C Transmission system utilizing different coding principles |
| 09/04/2002 | CN1090408C Casing mechanism of pager receiver |
| 09/03/2002 | US6445736 GSM baseband receiver arrangement using digital signal processing |
| 09/03/2002 | US6445678 Method and apparatus for implementing leaf node proxy in a network |
| 08/29/2002 | WO2002065894A2 Endocardial pressure measurement |
| 08/29/2002 | WO2002009380A3 Data transmission using pulse with modulation |
| 08/29/2002 | WO2000035122A9 Demultiplexer for channel interleaving |
| 08/29/2002 | WO2000024120A9 Method and system for ensuring reception of a communications signal |
| 08/29/2002 | US20020120200 Devices, systems and methods for endocardial pressure measurement |
| 08/29/2002 | US20020118764 Repeated decoding and encoding in subband encoder/decoders |
| 08/29/2002 | DE10105256A1 Vorrichtung und Verfahren zur Abtastratenumsetzung Apparatus and method for sampling rate conversion |
| 08/29/2002 | DE10105255A1 Vorrichtung und Verfahren zur Abtastratenumsetzung Apparatus and method for sampling rate conversion |
| 08/29/2002 | CA2438394A1 Devices, systems and methods for endocardial pressure measurement |
| 08/28/2002 | CN1366738A Interleave address generator |
| 08/28/2002 | CN1366659A Error correction method with pitch change detection |
| 08/22/2002 | WO2002065787A1 Method for defining the coding for useful information generated according to different coding laws between at least two subscriber terminals |
| 08/22/2002 | WO2002065458A2 Method and apparatus for interoperability between voice transmission systems during speech inactivity |
| 08/22/2002 | WO2002007061A3 A speech communication system and method for handling lost frames |
| 08/22/2002 | US20020116427 Reduced computation digital filter |
| 08/21/2002 | EP1232587A1 Method and apparatus for generating an rf signal |
| 08/20/2002 | US6438252 Method for encoding bits in a signal |
| 08/20/2002 | US6438112 Device and method for coding information and device and method for decoding coded information |
| 08/20/2002 | US6437714 Channel encoding device and method for communication system |
| 08/14/2002 | EP0792502B1 Very low bit rate voice messaging system using asymmetric voice compression processing |
| 08/08/2002 | US20020106017 Method for transmitting signals over a cable protocol |
| 08/08/2002 | US20020105902 Method for generating orthogonal spread codes in mobile communication system |
| 08/08/2002 | US20020105448 Device and method for conversion of sampling rate |
| 08/08/2002 | US20020105447 Apparatus and method for sampling rate conversion |
| 08/08/2002 | DE10102166A1 Vorrichtung und Verfahren zur Abtastratenumsetzung Apparatus and method for sampling rate conversion |
| 08/07/2002 | EP1229520A2 Silence insertion descriptor (sid) frame detection with human auditory perception compensation |
| 08/07/2002 | EP1228614A1 Method and apparatus for communication using pulse decoding |
| 08/07/2002 | CN1363142A Decoding apparatus and decoding processing method |
| 08/06/2002 | US6430226 Repeated decoding and encoding in subband encoder/decoders |
| 08/06/2002 | US6430208 Ultrawide-band communication system and method |
| 08/06/2002 | CA2254644C Iterative decoding on demand |
| 08/01/2002 | US20020103635 Efficient PCM buffer |
| 08/01/2002 | US20020101844 Method and apparatus for interoperability between voice transmission systems during speech inactivity |
| 08/01/2002 | US20020101370 Method and device of information transfer between circuits that exchange data via converters |