Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
12/2003
12/03/2003CN1459948A Method for equalizing according to carrier in multi-carrier CDMA connected receiver
12/03/2003CN1459947A Honeycomb searching method under sampling frequency deviation effect and device
12/03/2003CN1459930A Ruike receiver multipath searching device using energy estimation and multipath searching method
12/03/2003CN1459928A Ruike receiver multipath searching device using energy readjust and multipath searching method
12/03/2003CN1130096C Circuit and method for controlling mobile station working in slotted paging environment
12/03/2003CN1130095C Mobile data storage of mobile radio station and mobile station
12/03/2003CN1130094C Electronic circuit for portable electronic device
12/03/2003CN1130092C Telephone with modulator circuit of improved local oscillator
12/03/2003CN1130091C Communication device capable of effectively controlling power supply and method of controlling power supply
12/03/2003CN1130049C Error rate detecting circuit for FM multiplex broadcasting receiver
12/03/2003CN1130048C Descrambler
12/03/2003CN1130045C Wirless information apparatus for monitoring preset selective item and its method
12/03/2003CN1130043C Method for automatic frequency control of moving station in waiting mode
12/03/2003CN1130041C Apparatus and method for measuring noise power in CDMA mobile communication system
12/03/2003CN1130034C Method and apparatus for decoding multipath signal
12/03/2003CN1130033C Adaptive reacquisition time in slotted paging
12/03/2003CN1130032C Mobile station assisted timing synchronization method in CDMA communication system
12/03/2003CN1130031C Pseudo noise code acquisition apparatus for direct sequence spread spectrum communications
12/03/2003CN1130029C Method for transmitting signals in communication device
12/03/2003CN1130009C Transmitter using predistortion and method of transmitting
12/03/2003CN1129976C Substrate antenna incorporating element preventing the coupling of energy between antenna and conductors
12/03/2003CN1129941C Antenna switching device between transmitting and receiving stage
12/03/2003CN1129850C Personal computer and personal computer add on card
12/02/2003US6658274 Cellular phone voice interface structure
12/02/2003US6658273 Cordless light system
12/02/2003US6658267 Interoperable am/fm headset wireless telephone device
12/02/2003US6658265 Matching network for a dual mode RF amplifier
12/02/2003US6658245 Radio receiver having a dynamic bandwidth filter and method therefor
12/02/2003US6658242 TDMA wireless telephone system with independently tracked demodulation parameters
12/02/2003US6658239 Fully integrated ALL-CMOS AM transmitter with automatic antenna tuning
12/02/2003US6658238 Method for elaborating a transmission signal and transmitter with amplifying cells for implementing same
12/02/2003US6658237 Multi-Band transceiver utilizing direct conversion receiver
12/02/2003US6658236 Wireless apparatus with frequency synthesizers
12/02/2003US6658116 Stereo radio receiver
12/02/2003US6658115 Method and apparatus for high fidelity wireless stereophonic transmission
12/02/2003US6658076 Receiver and method for receiving spread spectrum signal by estimating transmitted symbol rate
12/02/2003US6658072 Digital communication system transmitting and receiving devices therefor and frame synchronization detection circuit
12/02/2003US6658070 Direct conversion receiver and method of compensating interference signals generated during processing
12/02/2003US6658065 System of and method for reducing or eliminating the unwanted sideband in the output of a transmitter comprising a quadrature modulator followed by a translational loop
12/02/2003US6658048 Global positioning system code phase detector with multipath compensation and method for reducing multipath components associated with a received signal
12/02/2003US6658047 Adaptive channel equalizer
12/02/2003US6658046 Spread spectrum receiver having multiple search windows to prevent misalignment during call
12/02/2003US6658045 CDMA communications system adaptive to mobile unit speed
12/02/2003US6658044 Frequency hopping communication device and frequency hopping method
12/02/2003US6658043 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
12/02/2003US6658042 Method and apparatus for time tracking a signal using hardware and software
12/02/2003US6657986 Variable clock rate correlation circuit and method of operation
12/02/2003US6657985 Orthogonal code hopping multiple access communication system
12/02/2003US6657590 Adaptive antenna reception apparatus using reception signals by arrays antennas
12/02/2003US6657579 Method for measuring distance and position using spread spectrum signal, and an equipment using the method
12/02/2003US6657573 Phase to sine amplitude conversion system and method
12/02/2003US6657536 Process for the bidirectional transmission of data and system for the implementation thereof
12/02/2003US6657493 Distortion compensation apparatus and distortion compensation method
12/02/2003US6657425 Power measurement circuit including harmonic filter
12/02/2003US6655599 Data carrier having reset means for interrupting the processing
12/02/2003CA2361997C Ds-cdma transmission method
12/02/2003CA2352247C Antenna device for high-frequency radio apparatus, high-frequency radio apparatus, and watch-shaped radio apparatus
12/02/2003CA2314555C Signal notching system for limiting signal peaks
12/02/2003CA2188509C Mobile station without a transmission/reception duplexer
12/02/2003CA2118916C Process for reducing data in the transmission and/or storage of digital signals from several dependent channels
11/2003
11/27/2003WO2003098949A1 Method for preventing erroneous detection of transmission output level error in a radio base station device and radio base station device
11/27/2003WO2003098916A2 High-resolution image projection
11/27/2003WO2003098901A1 Wireless control device for mobile communication apparatus
11/27/2003WO2003098855A1 Path search device and method, and array antenna reception device using the same
11/27/2003WO2003098852A1 Code generation, in particular for umts digital communications
11/27/2003WO2003098851A1 Lprf device wake up using wireless tag
11/27/2003WO2003098837A1 Apparatus and method for forming a forward link transmission beam of a smart antenna in a mobile communication system
11/27/2003WO2003098830A1 Method and apparatus for time-sharing a rake receiver structure
11/27/2003WO2003098829A1 System and method for the detection and compensation of radio signal time of arrival errors
11/27/2003WO2003098828A1 Cdma reception device, mobile communication terminal device, and base station device
11/27/2003WO2003098827A1 Reception device and method for detecting a head path in delay profile
11/27/2003WO2003098826A1 Communication terminal device and spread code estimation method
11/27/2003WO2003098825A1 Communication terminal device and spread code estimation method
11/27/2003WO2003098824A2 Demodulator for pulse-position modulated signals, demodulation method and signal receiver equipped with same
11/27/2003WO2003098822A1 Rf transceiver with low power chirp acquistion mode
11/27/2003WO2003098821A1 Up/down conversion circuitry for radio transceiver
11/27/2003WO2003098820A1 Multiple carrier adaptive notch filter
11/27/2003WO2003098819A1 A transmitter
11/27/2003WO2003098817A2 System and method for frequency management in a communications positioning device
11/27/2003WO2003098812A2 System and method for fast walsh transform processing in a multi-coded signal environment
11/27/2003WO2003098805A1 High frequency switch circuit
11/27/2003WO2003098797A1 Method and apparatus for error compensation in a hybrid matrix amplification system
11/27/2003WO2003098532A1 Direct contactless communication between transponders
11/27/2003WO2003098528A2 Method and system for distance determination of rf tags
11/27/2003WO2003098258A1 Frequency management in a communications positioning device
11/27/2003WO2003098238A1 Local sar measurement device and method
11/27/2003WO2003096839A1 Quick-release arrangement
11/27/2003WO2003077064A3 Method of accommodating overlapping or adjacent networks
11/27/2003WO2003069799A3 Method for discriminating between transmitters using channel impulse responses
11/27/2003WO2003061174A3 Configurable wireless interface
11/27/2003WO2003058881A3 Coexistence of modulation schemes in a wlan
11/27/2003WO2003044961A3 A communication semiconductor integrated circuit device and a wireless communication system
11/27/2003WO2003043179A3 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information
11/27/2003WO2003017551A3 Acquisition of synchronization in a spread spectrum communications transceiver
11/27/2003WO2002089312A3 Frequency conversion by undersampling
11/27/2003US20030221141 Software-based watchdog method and apparatus
11/27/2003US20030221002 Method for initiating a sub-system health check
11/27/2003US20030220755 Code group acquisition procedure for a UMTS-FDD receiver
11/27/2003US20030220131 Vehicle intercommunication apparatus
11/27/2003US20030220128 Portable radio terminal unit
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