Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
09/2000
09/08/2000WO2000052862A1 Apparatus and method for cdma demodulation and cdma mobile communication system
09/08/2000WO2000052861A1 Transmitting device and method, and providing medium
09/08/2000WO2000052856A1 Apparatus, and associated method, for selectively modifying characteristics of the receive signal received at a receiving station
09/08/2000WO2000052850A1 Range extension within a communication system
09/08/2000WO2000052843A1 Spread-spectrum communication device
09/08/2000WO2000052842A1 Spread spectrum frequency hopping system and method
09/08/2000WO2000052841A1 Radio frequency circuit for radio transmission/reception, and radio frequency circuit module for radio transmission/reception
09/08/2000WO2000052840A1 Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver
09/08/2000WO2000052839A1 Transmitter/receiver unit
09/08/2000WO2000052838A1 Frequency multiplex transmitter and method for eliminating crosstalk
09/08/2000WO2000052837A1 Transmission power control device and transmissiom power control method
09/08/2000WO2000052817A2 Method and system for digital transmission using amplitude-modulated transmitters with modulation transformer
09/08/2000WO2000038475A3 A communication device
09/08/2000CA2362759A1 System and method for eliminating redundant listings in an electronic program guide
09/08/2000CA2331363A1 Spread spectrum frequency hopping system and method
09/07/2000DE19931275A1 Mobiltelefon mit Lampen Mobile phone with lamps
09/07/2000DE19911437A1 Verfahren und Anordnung für digitale Übertragung mit amplitudenmodulierten Sendern mit Modulationstransformator Method and apparatus for digital transmission with amplitude-modulated transmitters with modulation transformer
09/07/2000DE19907572A1 Mobile or cordless radio telephone has spacer element introduced in area of audio device and close to antenna
09/07/2000DE19907549A1 Vehicle radio with selectable media reproduction kit has radio receiving section with amplifier and actuators as a base module and one kit consisting of audio and data reproduction systems
09/07/2000DE19906221C1 Method of detecting subscriber terminals in CDMA-based mobile radio systems
09/06/2000EP1033859A2 Electronic device
09/06/2000EP1033851A2 Method and apparatus for equalizing digital signal received via multiple transmission paths
09/06/2000EP1033840A1 Spread spectrum interference canceler system and method
09/06/2000EP1033837A2 Method and broadcast receiver for evaluating DAB-messages
09/06/2000EP1033827A2 Diversity receiving method and apparatus
09/06/2000EP1033824A2 A code division multiple access receiver with power control
09/06/2000EP1033823A1 Synchronization control of spread spectrum receiver in mobile station, base station, and correspondent method
09/06/2000EP1033822A2 Antenna system for dual mode satellite/cellular portable phone
09/06/2000EP1033821A2 DECT transceiver module
09/06/2000EP1033820A1 Even harmonic direct conversion receiver and a transceiver comprising the same
09/06/2000EP1033819A1 Base station device and transmission method
09/06/2000EP1033818A1 Signal generating circuit, and transmitter, receiver and transmitting and receiving device using the circuit
09/06/2000EP1033808A2 A cartesian loop transmitter
09/06/2000EP1033781A2 Automotive radio receiver with several antenna elements
09/06/2000EP1033779A2 Converter provided with built-in patch antennas for receiving direct broadcasting by satellite
09/06/2000EP1033661A2 Correlator method and apparatus
09/06/2000EP1033155A1 Ski stick provided with an acoustic warning device and/or a radio transmitter
09/06/2000EP1033051A1 Levelling out of interference in a mobile network using a hopping method
09/06/2000EP1033049A1 Calibration of subscriber terminal for wireless telecommunications system
09/06/2000EP1033038A1 Channel communication apparatus and method in cdma communication system
09/06/2000EP1032997A1 Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency
09/06/2000EP1032988A1 Apparatus for low power radio communications
09/06/2000EP1032982A1 Transceiver architecture in a dual band mobile phone
09/06/2000EP1032980A1 Moldable transceiver for use with apparel
09/06/2000EP1032979A2 Arrangement and method relating to radio communication
09/06/2000EP1032978A1 An arrangement and a method for the remote cooling of radio transceivers
09/06/2000EP1032976A1 Method and circuit for sampling an analog signal
09/06/2000EP1032973A1 An amplifier and a method of power amplification
09/06/2000EP1032972A1 Simplified reference frequency distribution in a mobile phone
09/06/2000EP1032932A1 Active soundproofing method and device
09/06/2000EP1032890A1 Monitoring and reporting system using cellular carriers
09/06/2000EP1032462A2 Apparatus for and method of processing information, information processing system, terminal for and method of receiving data, and data broadcasting system
09/06/2000CN2395461Y Decorative article for mobile telephone
09/06/2000CN2395460Y radio receiver with pause switch
09/06/2000CN2395459Y Electronic switch of high signal-noise ratio channel switching device
09/06/2000CN2395458Y Ear hanging radio receiver
09/06/2000CN1265797A Methods and apparatus for joint demodulation of adjacent channel signals in digital communications system
09/06/2000CN1265792A Modified downlink power control during macrodiversity
09/06/2000CN1265791A Method and apparatus for conserving energy in radio communication system
09/06/2000CN1265788A Transmission of FM video signals over various lines
09/06/2000CN1265785A System and methods for automatic deviation setting and control in radio transmitters
09/06/2000CN1265770A Model and command set for AV/C-based disc media player/recorder subunit
09/06/2000CN1265556A Communication device capable of effectively controlling power supply, method and media of controlling power supply
09/06/2000CN1265544A Method and system for compensating channel dustortion using lagrange's polynomial interopolation method
09/06/2000CN1265541A Navigation warning signal receiver
09/06/2000CN1265490A CDMA receiver
09/06/2000CN1056256C 功率放大器及功率放大方法 Power amplifier and power amplification method
09/06/2000CN1056255C Converter
09/05/2000US6115829 Computer system with transparent processor sparing
09/05/2000US6115688 Process and device for the scalable coding of audio signals
09/05/2000US6115685 Phase detection apparatus and method, and audio coding apparatus and method
09/05/2000US6115619 Device and method for controlling display to provide noise suppression in radio communication system
09/05/2000US6115595 Integrated circuit using a power supply input for digital logic
09/05/2000US6115593 Elimination of D.C. offset and spurious AM suppression in a direct conversion receiver
09/05/2000US6115592 Filter device and dual-band radio system in which the filter device is used
09/05/2000US6115590 Radiotelephone unit
09/05/2000US6115589 Speech-operated noise attenuation device (SONAD) control system method and apparatus
09/05/2000US6115587 Radio signal power control method according to variation of frequency and temperature in paging transmitter
09/05/2000US6115586 Multiple loop radio frequency synthesizer
09/05/2000US6115585 Antenna switching circuits for radio telephones
09/05/2000US6115584 Transmitter-receiver for use in broadband wireless access communications systems
09/05/2000US6115474 Method for removing switching noise during start and end of communication
09/05/2000US6115473 Receiving apparatus for digital broadcasting
09/05/2000US6115432 High-frequency signal receiving apparatus
09/05/2000US6115426 Adaptive communication apparatus
09/05/2000US6115414 System for setting up a wireless connection for exchanging information with another system, which system is provided with a transceiver device for transmitting and receiving information in a wireless manner, and also modulator/demodulator device
09/05/2000US6115411 System and method for spread spectrum code position modulation and wireless local area network employing the same
09/05/2000US6115409 Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
09/05/2000US6115408 Automatic transmission power level control method in a frequency hopping communication system
09/05/2000US6115407 Frequency hopping communication method and apparatus for modifying frequency hopping sequence in accordance with counted errors
09/05/2000US6115406 Transmission using an antenna array in a CDMA communication system
09/05/2000US6115368 Spread spectrum microwave overlay with notch filter
09/05/2000US6115363 Transceiver bandwidth extension using double mixing
09/05/2000US6115080 Channel selection methodology in an ATSC/NTSC television receiver
09/05/2000US6114986 Dual channel microwave transmit/receive module for an active aperture of a radar system
09/05/2000US6114944 Remote control for audio and video electronic appliances
09/05/2000US6114796 Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus including same
09/05/2000US6114060 Thin-profile battery circuits and constructions, button-type battery circuits and constructions, methods of forming thin-profile battery circuits and constructions, and methods of forming button-type battery circuits and constructions
09/05/2000CA2194898C Two band receiver
09/05/2000CA2176238C Method, decoder circuit, and system for decoding a non-coherently demodulated signal