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)
02/2004
02/25/2004EP1391054A1 Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems, such as bluetooth systems
02/25/2004EP1391053A1 Receiver device for a cdma message transmission system and adaptive cdma interference suppression method
02/25/2004EP1391052A1 Cdma searcher with time offset compensation
02/25/2004EP1391051A1 Rake receiver for fdd and tdd modes
02/25/2004EP1391050A1 Adaptive, multimode rake receiver for dynamic search and multipath reception
02/25/2004EP1391049A2 Processing a spread spectrum signal
02/25/2004EP1391048A1 Fast joint detection
02/25/2004EP1391047A1 Apparatus for increasing the capacity between transmitters and receivers in short-range wireless networks
02/25/2004EP1391045A1 Illuminated decorative covers and telephones having such covers
02/25/2004EP1195917B1 Method for peak to average power ratio reduction in wireless communication system
02/25/2004EP1177637B1 Radiotelephone set
02/25/2004EP1171958B1 Method for extending digital receiver sensitivity using analog correlation
02/25/2004EP0922336B1 Arrangement for reducing intermodulation distortion of radio frequency signals
02/25/2004EP0807286B1 Communication terminal device
02/25/2004EP0571635B1 Frequency characteristic compensation apparatus
02/25/2004CN2604829Y Satellite receiver
02/25/2004CN1478367A Radio communications system with reduced data rate on broadcast channel
02/25/2004CN1478354A Communication terminal with user-configurable memory
02/25/2004CN1478338A Device for optimising transmitter in accordance with transmission conditions, and reference receiver and transmitter for use din said device
02/25/2004CN1478337A Multiple access frequency hopping network with interference avoidance
02/25/2004CN1478331A Method and apparatus for improving reception in multiple access communication system
02/25/2004CN1478330A Multi-user detector for direct sequence-code division multiple access (DS/CDMA) channels
02/25/2004CN1478329A Data buffer structure for physical and transport channels in CDMA system
02/25/2004CN1478328A Method and device for managing multipath signals
02/25/2004CN1478327A 接收机 Receiver
02/25/2004CN1478326A Method for receiving multipath signals in radio communications system with CDMA and device for carrying out said method
02/25/2004CN1478325A Method and apparatus for reducing power consumption of decoder in communication system
02/25/2004CN1478322A Adjustment of bias current in first integrated circuit based on signal gain of second integrated circuit
02/25/2004CN1478313A Antenna device and communication equipment using it
02/25/2004CN1477896A System for reinforcing radiation property of communication device
02/25/2004CN1477895A Mobile terminal and its control method
02/25/2004CN1477893A Portable terminal device for raising mail confirmation operation
02/25/2004CN1477892A Screen display allocation method for mobile communication terminal
02/25/2004CN1477841A Automatic lid-folding cellular telephone with variable opening and closing speed
02/25/2004CN1477829A Double-mode wireless local area network module and its radio-frequency front end circuit
02/25/2004CN1477807A Method for obtaining carrier frequency departure of time division synchronous CDMA (TD-SCDMA) user terminal and equipment
02/25/2004CN1477801A Self-trapping protection and debugging equipment for communication system
02/25/2004CN1477797A Method for implementing quick optical fibre protective inversion in ring network and its equipment
02/25/2004CN1477796A Protection method of synchronous transmission module electric interface unit and its equipment
02/25/2004CN1477793A Multiple input and multipute output telecommunication system with speed-up ball decode
02/25/2004CN1477789A Dual-mode wireless local area network module and its radio-frequency front end circuit
02/25/2004CN1140152C Method for reducing power dissipation of communication apparatus
02/25/2004CN1140145C Radio signal sender
02/25/2004CN1140115C Television program record scheduling and satellite receiver control using compressed codes
02/25/2004CN1140094C Audio decoding device
02/25/2004CN1140082C Radio receptioin apparatus and method
02/25/2004CN1140081C Changeable frequency mode, voltage controlled oscillator and spread spectrum communication receiver thereby
02/25/2004CN1140078C Distribution method of orthogonal variable bandspread factor code
02/25/2004CN1140076C Parallel interferences cancel tester of join judge part
02/25/2004CN1140075C Initial synchronous and small area search device of CDMA system based on multipath energy window
02/25/2004CN1140074C Frequency modulation circuit
02/25/2004CN1140064C Matched filter and timing detection method
02/25/2004CN1140063C Digital forming filtering method for reducing calculating amount
02/25/2004CN1140061C Radio communication device and emitting power control method for radio communication device
02/25/2004CN1140049C Equipment and method for controlling transmitting electric power
02/25/2004CN1139895C Electronic recognition system and checking method with reliability of source
02/24/2004US6697775 Audio coding method, audio coding apparatus, and data storage medium
02/24/2004US6697648 Radio communication booster for portable radio transceivers
02/24/2004US6697646 Transceiver that prohibit the vibration motor
02/24/2004US6697642 Wireless communications apparatus
02/24/2004US6697641 Method and system for improving communication
02/24/2004US6697636 Radio telephone buzzer
02/24/2004US6697635 Method and apparatus for forward and reverse power control in mobile telecommunication system
02/24/2004US6697634 Apparatus and method for selecting a transmit power value from multiple calculated power levels
02/24/2004US6697631 Receiver for receiving broadcasting signal
02/24/2004US6697629 Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
02/24/2004US6697622 Control method of searching neighboring cells, mobile station, and mobile communication system
02/24/2004US6697613 System for canceling internal interference in a receiver
02/24/2004US6697612 Receiving section of a telephone
02/24/2004US6697611 Method and apparatus for performing DC offset cancellation in a receiver
02/24/2004US6697608 Digital audio/visual receiver with recordable memory
02/24/2004US6697606 Transceiver and a telecommunication system having a transceiver
02/24/2004US6697605 High-frequency circuit apparatus and communication apparatus
02/24/2004US6697603 Digital repeater
02/24/2004US6697490 Automatic resynchronization of crypto-sync information
02/24/2004US6697438 Circuit configuration for a multistandard communications terminal
02/24/2004US6697437 Receiving apparatus
02/24/2004US6697418 Spread spectrum communication device and communication system
02/24/2004US6697417 System and method of estimating earliest arrival of CDMA forward and reverse link signals
02/24/2004US6697416 Digital programmable, spread spectrum clock generator
02/24/2004US6697415 Spread spectrum transceiver module utilizing multiple mode transmission
02/24/2004US6697350 Adaptive vector correlator for spread-spectrum communications
02/24/2004US6697345 Multi-transport mode radio communications having synchronous and asynchronous transport mode capability
02/24/2004US6697083 Apparatus and method for displaying information in folder type communication terminal
02/24/2004US6697030 Tunable dual band antenna system
02/24/2004US6697020 Portable communication apparatus having a display and an antenna with a plane radiating member
02/24/2004US6696982 Vehicle terminal apparatus and an information transmitting system
02/24/2004US6696923 Method and a system for reducing the influence of disturbing signals in transponder applications
02/24/2004US6696922 Interactive pager docking system
02/24/2004CA2319717C Portable input device
02/24/2004CA2177152C An operations center with video storage for a television program packaging and delivery system
02/24/2004CA2151462C Television program delivery system
02/24/2004CA2151460C Set top terminal for cable television delivery systems
02/24/2004CA2151458C An operation center for a television program packaging and delivery system
02/24/2004CA2149989C Video data bus communication system and method
02/19/2004WO2004016057A1 Track system for telecommunications transmission stations
02/19/2004WO2004016028A1 Wireless base station, wireless frame synchronization detection method used therein, and recording medium on which program therefor is recorded
02/19/2004WO2004016016A1 Registration in a broadcast communications system
02/19/2004WO2004015992A1 Method and apparatus for performing channel detection
02/19/2004WO2004015963A1 A flip cover apparatus of wristwatch type mobile phone