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)
02/2003
02/20/2003CA2456915A1 Mode controller for signal acquisition and tracking in an ultra wideband communication system
02/20/2003CA2456660A1 Universal remote control capable of simulating a skip search
02/20/2003CA2456540A1 Radio-frequency signal frequency conversion device for a low power rf receiver
02/20/2003CA2456146A1 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
02/19/2003EP1284543A2 Direct conversion transceiver capable of reducing DC offset using multichip module
02/19/2003EP1284542A1 Stereodecoder
02/19/2003EP1284089A2 A multimode multicarrier modem system and method of communication over the same
02/19/2003EP1284081A2 Portable microdisplay system
02/19/2003EP1284061A2 Method for synchronizing a receiver with a transmitter
02/19/2003EP1284060A2 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these digital signals as analog audio programmes
02/19/2003EP1284050A1 Method and apparatus for code phase tracking
02/19/2003EP1284049A1 Ultra wide band system and method for fast synchronization using multiple detection arms
02/19/2003EP1284048A2 Listening and speaking set for a mobile telecommunications device that can be worn on the wrist
02/19/2003EP1284047A2 Radio receiver
02/19/2003EP1283995A1 Management module for software defined radio
02/19/2003EP1283994A1 Reconfiguration manager
02/19/2003EP1108293B1 Tracking system and arrangement for implementing said method
02/19/2003EP0935763B1 Security system
02/19/2003EP0674401B1 Spread spectrum signal receiver
02/19/2003CN2537175Y Radio recorder with quick programme switch
02/19/2003CN1398496A Radio base station appts. and communication terminal appts.
02/19/2003CN1398462A 移动通信系统 The mobile communication system
02/19/2003CN1398461A Method for communication of information and appts. employing method
02/19/2003CN1398460A Methods and appts. for signal searching using correlation
02/19/2003CN1398459A Method of splitting signal and signal processing circuitry and appts. utilising same
02/19/2003CN1398458A Support of multiuser detection in downlink
02/19/2003CN1398457A Communication controller for active transponder
02/19/2003CN1398138A Indication setting method of temporaryly forbidding mobile communication terminal
02/19/2003CN1398137A 便携式信息终端 A portable information terminal
02/19/2003CN1398136A Radio transmitter and appliance for mobile station
02/19/2003CN1398134A Mobile station and frequency band detection method
02/19/2003CN1398127A Method for compressing small-region broadcast channels and decompressing by intelligent card
02/19/2003CN1398124A Coupling calibration network and method for intelligent antenna array of radio communication system
02/19/2003CN1398118A Method based on slide window for estimating and equalizing channels of block signals containing pilot
02/19/2003CN1398099A Sound data transmitting system and method and transmitting servicer and user's terminal
02/19/2003CN1398075A Time-space joined multi-path search method for CDMA communication system
02/19/2003CN1398072A 前馈放大器 Feedforward amplifier
02/19/2003CN1398057A Antenna appliance, its system and method for regulation direction of antenna
02/19/2003CN1398056A Gain-variable amplifier for transmitting end
02/19/2003CN1398053A Multi-user test method for radio receiver
02/19/2003CN1398052A Rate variable voice coder
02/19/2003CN1398051A Radio-frequency appts. for special short-range communication wayside appliance
02/19/2003CN1398050A R-T unit
02/19/2003CN1398048A Compound high frequency switch and high frequency module and communicator
02/19/2003CN1102012C Single-carrier-frequency diversity receiver of GSM base station
02/19/2003CN1102011C Initial synchronization method and reciever for DS-CDMA inter base station asynchronous cellular system
02/19/2003CN1101997C Method and appts. for rate determination in communication system
02/19/2003CN1101996C Mobile station and wireless telecom equipment of CDMA cellular telephone system
02/19/2003CN1101995C Mobile station without transmission/reception duplexer
02/19/2003CN1101994C Double-frequency-band receiver
02/18/2003US6523138 Input/output processing system
02/18/2003US6522902 Apparatus for saving power consumption of a portable electronic device
02/18/2003US6522901 Portable radio transceiver
02/18/2003US6522900 Method for displaying battery voltage in TDMA radio terminal
02/18/2003US6522895 Integrated transmitter and receiver components for a dual-band transceiver
02/18/2003US6522893 Method for setting timer of cellular phone
02/18/2003US6522892 Method of controlling transmission output of radio via closed loop and open loop operation
02/18/2003US6522872 Up/Down tuner
02/18/2003US6522871 Method and apparatus for compensating local oscillator frequency error through environmental control
02/18/2003US6522869 Transmission apparatus
02/18/2003US6522866 Alternative frequency service verification
02/18/2003US6522771 Processing scanned security documents notwithstanding corruptions such as rotation
02/18/2003US6522750 Method and corresponding system for influencing the stereo channel separation of an audiosignal
02/18/2003US6522728 Apparatus and method of implementing a universal home network on a customer premises ISDN bus
02/18/2003US6522706 Delay spread estimation for multipath fading channels
02/18/2003US6522704 Data reception apparatus and data reception method
02/18/2003US6522698 Method of transmitting and receiving data, system and receiver therefor
02/18/2003US6522687 Data transmitter and receiver of a DS-CDMA communication system
02/18/2003US6522686 Receiving apparatus of spectrum spread communication system
02/18/2003US6522684 Delay lock loop, receiver, and spectrum spreading communication system
02/18/2003US6522683 Method and apparatus for adaptive linear equalization for walsh covered modulation
02/18/2003US6522682 Triple multiplexing spread spectrum receiver
02/18/2003US6522658 Method for discriminating and routing data packets based on quality-of-service requirements
02/18/2003US6522639 Transmission/reception apparatus and transmit power control method
02/18/2003US6522625 Radio communication apparatus and radio communication method
02/18/2003US6522367 Cable television (CATV) tuner for enhanced signal communication between subscribers in a CATV system
02/18/2003US6522308 Variable capacitance coupling antenna
02/18/2003US6522300 Antenna device for mobile tele-communication terminal
02/18/2003US6522299 PC card retractable antenna
02/18/2003US6522272 Analogue frontend
02/18/2003US6522220 Frequency variable filter, antenna duplexer, and communication apparatus incorporating the same
02/18/2003US6522213 SSB transmitter
02/18/2003CA2360298C Auto-tuning scanning proximity reader
02/18/2003CA2323354C Power amplifier system
02/18/2003CA2250074C Apparatus for code tracking in a direct sequence spread spectrum receiver
02/17/2003CA2398153A1 Phase to sine amplitude conversion system and method
02/13/2003WO2003013207A1 Shields for components on circuit boards
02/13/2003WO2003013178A1 System and method of estimating earliest arrival of cdma forward link signals
02/13/2003WO2003013176A2 Dynamic dcch/fch switching
02/13/2003WO2003013162A2 Resource allocation in a wireless network
02/13/2003WO2003013127A1 Portable terminal
02/13/2003WO2003013103A2 System and method for bi-directional communication and execution of dynamic instruction sets
02/13/2003WO2003013093A2 Signal decomposition for the control of its dynamic range
02/13/2003WO2003013090A1 Simple encoding/decoding technique for code position modulation
02/13/2003WO2003013088A2 Joint synchronization and modification of the coefficients of an adaptive equalizer for a cdma receiver
02/13/2003WO2003013081A1 System and method for post filtering peak power reduction in multi-carrier communications systems
02/13/2003WO2003013078A1 Dynamic assignment of harware resources in a base station for the transmission of paging messages
02/13/2003WO2003013046A1 Method, system and apparatus for transmitting interleaved data between stations
02/13/2003WO2003013040A1 Configurable terminal engine
02/13/2003WO2003013039A1 Radio communication apparatus and radio communication method