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)
05/2003
05/21/2003CN1109416C Method and equipment for swapping active with standby switches
05/21/2003CN1109415C Apparatus and method for code tracking in IS-95 spread spectrum communication system
05/21/2003CN1109414C Multichannel viterbi decoder
05/21/2003CN1109413C Method for doppler-replica harmonic avoidance in a GPS receiver
05/21/2003CN1109411C Radio front-end circuit
05/21/2003CN1109410C Signal processing apparatus and mehtod for reducing effects interference and noise in wireless communications
05/21/2003CN1109407C Audio frequency coding or decoding device and audio frequency transmission method
05/21/2003CN1109401C Bias circuit and method for multistage power amplifier
05/21/2003CN1109393C 便携式电子装置 The portable electronic device
05/21/2003CN1109319C Contactless energy and data transmission
05/20/2003US6567845 System for and method of processing data, and apparatus and method of sending and receiving data
05/20/2003US6567782 Portable information terminal, method of processing audio data, recording medium, and program
05/20/2003US6567780 Audio with hidden in-band digital data
05/20/2003US6567672 Method of maintaining or terminating data communication in a flip type mobile phone
05/20/2003US6567653 Dual-mode communications transmitter
05/20/2003US6567649 Method and apparatus for transmitter noise cancellation in an RF communications system
05/20/2003US6567648 System combining radio frequency transmitter and receiver using circulator and method for canceling transmission signal thereof
05/20/2003US6567647 Low noise radio frequency transceivers including circulators
05/20/2003US6567646 Method and apparatus in a radio communication system
05/20/2003US6567535 Steganographic system with changing operations
05/20/2003US6567533 Method and apparatus for discerning image distortion by reference to encoded marker signals
05/20/2003US6567523 Wrist-mounted telephone device
05/20/2003US6567488 Relating to demodulator alignment correction in tuners
05/20/2003US6567483 Matched filter using time-multiplexed precombinations
05/20/2003US6567482 Method and apparatus for efficient synchronization in spread spectrum communications
05/20/2003US6567478 Radio apparatus having distortion compensating function
05/20/2003US6567466 Method and apparatus for determining the data rate of a received signal in a variable data rate orthogonal spread spectrum communication system
05/20/2003US6567462 Receiver and method of recovering data from radio signals
05/20/2003US6567460 Device and method for detecting pilot PN offset in cordless telephone system
05/20/2003US6567458 Wireless communication system utilizing frequency hopping method and control method therefor
05/20/2003US6567412 Holding a connection in an ISDN network with a DECT intermediate system
05/20/2003US6567394 Non-contact IC card and system for performing data communication
05/20/2003US6567391 Device and method for communicating reverse pilot signal in mobile communication system
05/20/2003US6567384 Portable radio unit for use in mobile telephone system and control method thereof
05/20/2003US6567381 Method and apparatus for automatic call test in a CDMA system
05/20/2003US6567042 Acquisition through circular correlation by partition for GPS C/A code and P(Y) code
05/20/2003US6567017 Configurable code generator system for spread spectrum applications
05/20/2003US6567011 Media system and remote control for same
05/20/2003US6566987 Dielectric filter, dielectric duplexer, and communication apparatus
05/20/2003US6566954 High frequency amplifier bias circuit, high frequency power amplifier, and communication device
05/20/2003US6566953 High-frequency amplifier circuit for UHF television tuner having less distortion
05/20/2003US6566948 Method and system for reducing non-linearities
05/20/2003CA2264446C Power supply apparatus and method for mobile communication terminal
05/20/2003CA2235241C Co-channel interference canceler and driving method therefor
05/20/2003CA2191721C Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources
05/20/2003CA2114625C A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
05/20/2003CA2109947C Rake receiver with selective ray combining
05/20/2003CA2092859C Receiver having an adjustable matched filter
05/15/2003WO2003041439A1 Schedule creation apparatus, base station apparatus, and radio communication method
05/15/2003WO2003041438A1 Preamble transmission method, mobile station, mobile communication system, preamble transmission program, and computer data signal
05/15/2003WO2003041351A2 Frequency tracking using pilot and non-pilot symbols
05/15/2003WO2003041350A1 Co-channel interference detector for cellular communications systems
05/15/2003WO2003041322A2 Hardware structure and method for a transceiver device with configurable co-processors for mobile radio applications
05/15/2003WO2003041313A1 Digital fm stereo decoder and method of operation
05/15/2003WO2003041311A2 Systems for monitoring broadcast content
05/15/2003WO2003041309A1 Slew rate limited signal strength prediction
05/15/2003WO2003041298A1 Power estimation using weighted sum of pilot and non-pilot symbols
05/15/2003WO2003041297A1 Method for link adaptation and transmit power control
05/15/2003WO2003041294A1 Apparatus & method for scalable offline cdma demodulation
05/15/2003WO2003041293A1 Method and system for code reuse and capacity enhancement using null steering
05/15/2003WO2003041292A1 Interference canceling method, interference canceling device and receiving device
05/15/2003WO2003041291A1 Finger using mixed weighting, and its application for demodulation apparatus and method
05/15/2003WO2003041288A2 Protective sleeve for small electronic devices
05/15/2003WO2003041287A1 Method and apparatus for mitigating adjacent channel interferencein a wireless communication system
05/15/2003WO2003041286A1 Current reduction by receiver linearity adjustment in a communication device
05/15/2003WO2003041277A2 A communication semiconductor integrated circuit device and a wireless communication system
05/15/2003WO2003041009A1 Data carrier having power dependent data processing modes
05/15/2003WO2003040950A2 Dual antenna coil transponder system
05/15/2003WO2003040870A2 Atomic transactions on a non-volatile memory
05/15/2003WO2003040852A2 Concept for compensating external disturbance variables on physical functional parameters in integrated circuits
05/15/2003WO2003039914A1 Information system in a motor vehicle with driving-style-dependent production of information to be outputted
05/15/2003WO2003010942A3 System and method for improved security in a handset reprovisioning and reprogramming
05/15/2003WO2001099468A9 Auricular connection device for the reduction of electric waves from cellular devices or alike
05/15/2003WO2001074103A8 Method of cell initial search in cdma digital mobile telecommunication system
05/15/2003US20030093789 Systems for monitoring broadcast content and generating notification signals as a function of subscriber profiles and methods of operating the same
05/15/2003US20030093754 Method and system for fast forward error correction coding and decoding
05/15/2003US20030093726 Method and apparatus for fixing bit errors encountered during cache references without blocking
05/15/2003US20030093723 Data recording method and data recording apparatus
05/15/2003US20030093720 Analytical server, program analysis network system, and program analysis method
05/15/2003US20030093716 Method and apparatus for collecting persistent coverage data across software versions
05/15/2003US20030093538 Information device, information distribution system, and communication mode switching method, information storage method and information distribution method applied thereto
05/15/2003US20030093447 Apparatus and method for detecting energy of tone signal
05/15/2003US20030092577 Provides high frequency selectivity to a receiver for use in a base station; prefiltering the radio frequency (RF) signals with the bandpass nonsuperconducting filter; multiplexers; double multiplexers; lightening and frequency protection
05/15/2003US20030092471 Liquid crystal display
05/15/2003US20030092465 Integrated multimode radio and components thereof
05/15/2003US20030092462 Method of optimizing the efficiency of an amplifier for amplifying a plurality of modulated carriers simultaneously
05/15/2003US20030092460 Mobile terminal apparatus
05/15/2003US20030092449 Vehicle communication system
05/15/2003US20030092447 Communications methods, apparatus and computer program products using gain multipliers
05/15/2003US20030092419 Method and apparatus for a near-unity divider in a direct conversion communication device
05/15/2003US20030092418 Frequency conversion apparatus
05/15/2003US20030092417 Method and apparatus for matching receiver carrier frequency
05/15/2003US20030092416 Direct-conversion transmitting circuit and integrated transmitting/receiving circuit
05/15/2003US20030092415 Antenna for portable radio telephone
05/15/2003US20030092414 Transmitter method, apparatus, and frequency plan for minimizing spurious energy
05/15/2003US20030092413 Satellite radio
05/15/2003US20030092409 Tuner comprising a voltage converter
05/15/2003US20030092408 Differential radio
05/15/2003US20030092407 Radio transmission apparatus for communication using microwave signal
05/15/2003US20030092406 Radio communication system, and transmitting circuit and receiving circuit thereof