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)
06/2002
06/05/2002EP0998792B1 Write/read device for communication with transponders, having first coding means and second coding means
06/05/2002EP0972360B1 Power control of rf signals with booster module
06/05/2002EP0952543B1 Semiconductor device and method for manufacturing the same
06/05/2002EP0908021B1 A method and network of controlling initial power ramp-up in cdma systems by using short codes
06/05/2002EP0811277B1 Joint demodulation using spatial maximum likelihood
06/05/2002EP0793895B1 Pilot signal searching technique for a cellular communications system
06/05/2002EP0789953B1 Automatic tuning of a radio transceiver
06/05/2002EP0643889B1 Method and apparatus for coherent communication in a spread-spectrum communication system
06/05/2002CN1352853A Splitter-less digital subscriber loop modem
06/05/2002CN1352840A CDMA communication system having pilot-supporting interference separating function
06/05/2002CN1352839A Apparatus and method for generating frame sync word and verifying frame sync word in CDMA communication system
06/05/2002CN1352838A Improvement in mobile telecommunication system
06/05/2002CN1352834A Cell search procedure for time division duplex communications systems using code division multiple access
06/05/2002CN1352829A Method and apparatus for performing interference estimation
06/05/2002CN1352827A Signal identification in CDMA ratio systems
06/05/2002CN1352826A System and method for selectively controlling amplifier performance
06/05/2002CN1352825A Communication accessory with improved vehide ignition sense
06/05/2002CN1352512A Double SIM card hot change-over method and device capable of setting priority
06/05/2002CN1352503A Energy saving method for radio receiving carrier modulation data
06/05/2002CN1352498A Digital wave beam forming method and module in radio communication system and its array receiver
06/05/2002CN1352496A 双超外差调谐器 Double superheterodyne tuner
06/05/2002CN1352491A Card equipment, method for power supply of card equipment and power supply unit of mobile communiation device
06/05/2002CN1086097C External power source to main battery power source switch
06/05/2002CN1086096C Method and arrangement for interference-protected power supply
06/05/2002CN1086087C 接收方法和接收机 Receiving method and a receiver
06/05/2002CN1086081C Rake receiver and spread spectrum radio telecommunication apparatus having the rake receiver
06/05/2002CN1086080C Method for transmitting short message in digital mobile communication terminal with short message service function
06/05/2002CN1086079C Multiple access coding using bent sequences for mobile radio communication
06/05/2002CN1086078C Transmitter/receiver for use in multichannel time division duplexing system
06/05/2002CN1086076C Method for interference cancellation in cellular CDMA network
06/05/2002CN1086075C Multiple frequency communication device and its using method
06/05/2002CN1086074C Reception method and receiver
06/05/2002CN1086071C Digital transmission system, transmitter, receiver, equivalent analog signal, and transmission method
06/05/2002CN1086070C Dual mode modulating device and method
06/05/2002CN1086069C Intermittent receiving apparatus capable of reducing current consumption
06/05/2002CN1086068C Local signal generator and a communication method for producing local signals
06/05/2002CN1086066C Digital compensated direct conversion receiver and method
06/05/2002CN1086065C 接收机电路 Receiver circuit
06/05/2002CN1086064C Temperature compensated wide dynanic range power detection circuitry for portable RF transmission terminals
06/04/2002US6400969 Communication equipment, charging terminal structure and isolating switch
06/04/2002US6400967 Mobile keyless telephone instruments and wireless telecommunications system having voice dialing and voice programming capabilities
06/04/2002US6400963 Harmonic suppression in dual band mobile phones
06/04/2002US6400961 Method and apparatus for reducing the power consumption of mobile multimode communication terminals
06/04/2002US6400957 Wireless phone-line interface
06/04/2002US6400935 Pilot tone detector
06/04/2002US6400934 Method for radio receiver input off-channel and on-channel overload protection
06/04/2002US6400931 Card-like wireless communication device
06/04/2002US6400827 Methods for hiding in-band digital data in images and video
06/04/2002US6400822 Linear, optical coupled line impedance circuit
06/04/2002US6400759 Device driver for rate adaptable modem with forward compatible and expandable functionality
06/04/2002US6400756 Phased array spread spectrum receiver
06/04/2002US6400754 Spread spectrum localizers
06/04/2002US6400753 Pseudo-noise correlator for a GPS spread spectrum receiver
06/04/2002US6400752 Wireless computer network communication system and method which determines an available spreading code
06/04/2002US6400731 Variable rate communication system, and transmission device and reception device applied thereto
06/04/2002US6400703 Device and method for generating and distributing coded symbols in a CDMA communication system
06/04/2002US6400702 Radio frequency local area network
06/04/2002US6400700 CDMA cellular radio transmission system
06/04/2002US6400616 Method of an apparatus for correctly transmitting signals at high speed without waveform distortion
06/04/2002US6400419 Television tuner system
06/04/2002US6400415 System and method for predistorting signals to be amplified
06/04/2002US6400338 Passive integrated transponder tag with unitary antenna core
06/04/2002US6400336 Tunable dual band antenna system
06/04/2002US6400333 Waterproofing and gas-permeable case construction of satellite-broadcast receiving converter
06/04/2002US6400326 Antenna booster system for automobile
06/04/2002US6400314 GPS receiver utilizing a communication link
06/04/2002US6400280 Remote control signal receiver and method, and remote control system
06/04/2002US6399406 Encapsulated MEMS band-pass filter for integrated circuits and method of fabrication thereof
06/04/2002CA2185835C Hinge mechanism for foldable electronic apparatus
06/04/2002CA2169504C Method and apparatus for improving multi-channel radio communication
06/01/2002CA2361934A1 Supplemental channel sharing algorithm
05/2002
05/30/2002WO2002043294A1 A method for enhancing the channel utilisation in a cdma system
05/30/2002WO2002043293A1 Ofdm communication apparatus and ofdm communication method
05/30/2002WO2002043289A1 Device for optimising a transmitter in accordance with transmission conditions, and reference receiver and transmitter for use in said device
05/30/2002WO2002043279A1 Apparatus and method for generating a preamble sequence in a wireless communication system
05/30/2002WO2002043267A2 System and method of deskew buffering cdma signals
05/30/2002WO2002043266A2 Multipath interference reduction for a cdma system
05/30/2002WO2002043265A1 A rake receiver and a method of providing a frequency error estimate
05/30/2002WO2002043264A2 Code synchronization in a mobile communication device
05/30/2002WO2002043263A1 A rake receiver
05/30/2002WO2002043260A1 A transmitter
05/30/2002WO2002043259A2 Direct conversion receiver
05/30/2002WO2002043258A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
05/30/2002WO2002043257A1 Apparatus and method for suppressing conducted radio-frequency signals
05/30/2002WO2002043255A2 Quadrature generator with image reject mixer
05/30/2002WO2002043254A1 Motorcycle sound system
05/30/2002WO2002043253A2 A radio receiver
05/30/2002WO2002043042A1 Electronic device having displaying function
05/30/2002WO2002042782A1 Method and apparatus for estimating the phase of a signal
05/30/2002WO2002030004A3 Method and apparatus for reducing power consumption of a decoder in a communication system
05/30/2002WO2002025832A3 System and method for avoiding interference in spread spectrum systems
05/30/2002WO2002023742A3 Apparatus for and method of adapting a radio receiver using control functions
05/30/2002WO2002021715A3 Data buffer structure for asynchronously received physical channels in a cdma system
05/30/2002WO2002019542A3 Method and device for pre-equalizing radio channels
05/30/2002WO2002017508A3 Digital receiver and method for symbol detection in a spread spectrum signal
05/30/2002WO2002013593A3 Distributed architecture wireless rf modem
05/30/2002WO2002013518A3 Television remote control systems and methods
05/30/2002WO2002013428A3 Broadcasting signal processing apparatus
05/30/2002WO2002011301A3 Improved delay combiner system for cdma repeaters and low noise amplifiers
05/30/2002WO2002009311A3 Fast adaptive power control for a variable multirate communications system