| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
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| 05/06/2004 | US20040086056 Communication system |
| 05/06/2004 | US20040085919 Apparatus for transmitting and receiving signal using orthogonal codes and non-binary values in CDMA/OFDM system and method thereof |
| 05/06/2004 | EP0721714B1 Method of and system for communicating messages |
| 05/05/2004 | CN1494055A Method and apapratus for sound encoding and decoding |
| 05/05/2004 | CN1148883C Decoding apparatus and decoding processing method |
| 04/29/2004 | DE4320990B4 Verfahren zur Redundanzreduktion Method for redundancy reduction |
| 04/28/2004 | EP0414838B2 Process for transmitting a signal |
| 04/28/2004 | CN1493072A Encoding method and decoding method for digital data |
| 04/28/2004 | CN1492597A Super wide band direct sequence two-phase phase shift key control narrow pulse generator |
| 04/28/2004 | CN1492596A Super wide band communication system and method using direct extension and pulse polarizing modulation |
| 04/28/2004 | CN1492589A Engine encoder and channel encoding method |
| 04/28/2004 | CN1147833C Method and apparatus for generating and encoding line spectral square roots |
| 04/21/2004 | CN1491063A Method for shortening active receiving time and saving power in stand-by mode |
| 04/21/2004 | CN1490943A Quick recoverable adaptive stepped pulse coding adjusting compressed compiling method and device |
| 04/20/2004 | US6724978 Recording and reproducing an MPEG information signal on/from a record carrier |
| 04/15/2004 | WO2004032494A1 Information processing device and method, program, and recording medium |
| 04/15/2004 | WO2004032344A2 Battery conservation for downhole telemetry |
| 04/15/2004 | US20040071223 Channel encoding/decoding method and multiple-antenna communication transmitting/receiving system performing the same |
| 04/15/2004 | DE10244980A1 Method for communicating time-slot oriented information e.g. for ISDN communication network, requires communication time-slot oriented information from central communication unit to distributed communication unit |
| 04/15/2004 | CA2499485A1 Battery conservation for downhole telemetry |
| 04/14/2004 | EP1408620A1 Transmission method and transmitter for an ultra-wide bandwidth telecommunication system |
| 04/14/2004 | CN1489829A Information transmission apparatus, information transmission method, information apparatus and method thereof |
| 04/14/2004 | CN1489347A 无线通信方法和无线通信装置 The wireless communication method and a radio communication device |
| 04/14/2004 | CN1146179C Method and system for communicating messages |
| 04/14/2004 | CN1146130C Coder of input sygnal processing system and method of noise quantization of audio signals of shield screen |
| 04/14/2004 | CN1145929C Transmission system with improved encoder and decoder |
| 04/13/2004 | US6721376 Signal encoding for transmission of multiple digital signals over single physical medium |
| 04/13/2004 | US6721337 Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
| 04/13/2004 | US6721296 Code division multiple access mobile communication system |
| 04/13/2004 | US6721287 Far echo canceller for PCM modems |
| 04/08/2004 | WO2004030297A1 Method for the transmission of data telegrammes in a switched cyclical communication system |
| 04/08/2004 | WO2004008317A3 Apparatus and method to reduce quantization error |
| 04/08/2004 | US20040068482 Data processor |
| 04/08/2004 | CA2499618A1 Method for the transmission of data telegrams in a switched cyclical communication system |
| 04/07/2004 | EP1125363A4 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter |
| 04/06/2004 | CA2279923C Predictive coding method and decoding method for dynamic image |
| 04/01/2004 | WO2004028153A1 A video recorder unit and method of operation therefor |
| 04/01/2004 | US20040064310 Sub-band adaptive differential pulse code modulation/encoding apparatus, sub-band adaptive differential pulse code modulation/encoding method, wireless transmission system, sub-band adaptive differential pulse code modulation/decoding apparatus, sub-band adaptive differential pulse code modulation/decoding method, and wirel |
| 04/01/2004 | US20040064309 Mobile communicator and method for deciding speech coding rate in mobile communicator |
| 04/01/2004 | DE10243850A1 Verfahren zur Übertragung von Datentelegrammen in einem geschalteten, zyklischen Kommunikationssystem Method for transmitting data messages in a switched, cyclic communication system |
| 03/31/2004 | EP1404039A2 Apparatus and method for transmission of audio data and audio-related information |
| 03/31/2004 | EP1402667A2 Upstream communication system with controllable band pass filter properties |
| 03/31/2004 | EP0931310B1 Systems and methods for communicating desired audio information over a communications medium |
| 03/31/2004 | CN1144415C Synchronization device |
| 03/31/2004 | CN1144400C Post-compression hidden data transport for video |
| 03/31/2004 | CN1144377C Channel encoding device |
| 03/31/2004 | CN1144178C Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal |
| 03/30/2004 | US6714908 Modified concealing device and method for a speech decoder |
| 03/30/2004 | US6714768 Structure and method for fabricating semiconductor structures and polarization modulator devices utilizing the formation of a compliant substrate |
| 03/30/2004 | US6714551 Method and apparatus for maintaining a predefined transmission quality in a wireless network for a metropolitan area |
| 03/25/2004 | WO2004025842A2 System for efficient recovery of node-b buffered data following mac layer reset |
| 03/25/2004 | WO2004002001A3 Ultra-wideband communication through a wire medium |
| 03/25/2004 | CA2615915A1 System for efficient recovery of node-b buffered data following mac layer reset |
| 03/24/2004 | EP0976125B1 Removing periodicity from a lengthened audio signal |
| 03/24/2004 | CN1484450A Quick digital channel switching |
| 03/24/2004 | CN1143437C Variable order SIGMA-DELTA modulator and IC for receiver having same |
| 03/24/2004 | CN1143268C Sound encoding method, sound decoding method, and sound encoding device and sound decoding device |
| 03/23/2004 | US6711538 Information processing apparatus and method, and recording medium |
| 03/23/2004 | US6711122 Frequency offset differential pulse position modulation |
| 03/18/2004 | WO2004023661A1 Signal processing device, signal processing method, delta-sigma modulation type fractional division pll frequency synthesizer, radio communication device, delta-sigma modulation type d/a converter |
| 03/18/2004 | US20040054525 Encoding method and decoding method for digital voice data |
| 03/18/2004 | US20040052236 Apparatus and method for joint detection receiving irrespective of orthogonal code length in mobile communication system |
| 03/18/2004 | US20040052229 System for efficient recovery of Node-B buffered data following MAC layer reset |
| 03/17/2004 | EP0998795A4 Method and apparatus for performance improvement by qualifying pulses in an oversampled, noise-shaping signal processor |
| 03/17/2004 | CN1482801A Digital data recording/reproducing apparatus and method with means for adding arrival time to a data packet |
| 03/16/2004 | US6707947 Frame switcher and method of switching, digital camera, and monitoring system |
| 03/11/2004 | US20040047430 Nyquist filter and method |
| 03/10/2004 | EP1396938A1 Sub-band adaptive differential pulse code modulation/encoding apparatus, sub-band adaptive differential pulse code modulation/encoding method, wireless transmission system, sub-band adaptive differential pulse code modulation/decoding apparatus, sub-band adaptive differential pulse code modulation/d |
| 03/10/2004 | EP1396166A1 A method for enabling a subscriber entity to actively communicate in a communication network |
| 03/10/2004 | EP1395982A1 Adpcm speech coding system with phase-smearing and phase-desmearing filters |
| 03/10/2004 | CN1481116A Automatic configuration equipment for linking network media and its method |
| 03/09/2004 | US6704848 Apparatus for controlling time deinterleaver memory for digital audio broadcasting |
| 03/09/2004 | US6704372 Digital implementation of multi-channel demodulators |
| 03/04/2004 | US20040042530 Code-select cdma modulation/demodulation method and device thereof |
| 03/04/2004 | US20040042409 Method for defining the coding for useful information generated according to different coding laws between at least two subscriber terminals |
| 03/04/2004 | DE10238711A1 Verfahren und Vorrichtung zum Erzeugen und diskontinuierlichen Senden einer Grundschwingung in einer vorbestimmten Trägerfrequenz Method and apparatus for producing discontinuous and sending a fundamental wave in a predetermined carrier frequency |
| 03/03/2004 | EP1394931A2 Method and device for producing and sending discontinuoulsy a fundamental frequency in a predetermined carrier frequency |
| 03/03/2004 | CN1140894C Variable bitrate speed transmission system |
| 02/26/2004 | US20040038648 Transmitting circuit device and wireless communications device |
| 02/25/2004 | EP1392025A2 Wireless communication method and wireless communication device |
| 02/25/2004 | CN1139912C CELP voice encoder |
| 02/24/2004 | US6697993 Transmission and reception methods and devices in a transmission system comprising convolutional interleaving/deinterleaving |
| 02/24/2004 | US6697422 Variable encoding levels for encoding in-band control messages in wireless telecommunication systems |
| 02/19/2004 | US20040034863 Fast digital channel changing |
| 02/18/2004 | EP1389874A2 Fast digital channel changing |
| 02/18/2004 | CN1476682A Code-select CDMA modulation/demodulation method and device thereof |
| 02/17/2004 | US6693967 Detecting encoding and encoding conversion for modem connections |
| 02/11/2004 | CN1475045A Generating coefficients for prediction filter in encoder |
| 02/11/2004 | CN1138410C Apparatus and method for transmitting, recording and reproducing digital data |
| 02/11/2004 | CN1138379C Method and device for formating data frame |
| 02/11/2004 | CN1138345C Digital reception device and method with radio frequency sampling |
| 02/05/2004 | US20040022304 Ultra-wideband communication though local power lines |
| 02/05/2004 | DE10331893A1 Verfahren zum Sparen von Leistung durch Reduzierung der Zeit des aktiven Empfangs im Standby-Betrieb Method for conserving power by reducing the period of active reception in standby mode |
| 02/04/2004 | EP1386308A1 Adpcm speech coding system with specific step-size adaptation |
| 02/04/2004 | CN1473430A Mixed-media telecommunication call set-up |
| 02/04/2004 | CN1137573C Data transmission method and apparatus, data reproduction method and apparatus |
| 02/03/2004 | US6687306 Constellation adjustment based on detected encoding and encoding conversion for modem connections |
| 02/03/2004 | US6687293 Method, system and apparatus for calibrating a pulse position modulation (PPM) decoder to a PPM signal |
| 01/29/2004 | WO2004010587A1 Signal processing device, non-integer divider, and fractional n-pll synthesizer using the same |
| 01/29/2004 | US20040017855 Variable-length encoding apparatus and method |