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)
07/2002
07/03/2002CN1357161A Portable radio device
07/03/2002CN1356848A Portable telephone
07/03/2002CN1356847A Portable communication equipment
07/03/2002CN1356846A Mobile telephone able to stop main timer
07/03/2002CN1356842A Portable telephone equipped with camera unit
07/03/2002CN1356826A Tumer of TV receiver set
07/03/2002CN1356813A Auxiliary channel sharing algorithm
07/03/2002CN1356810A 通信系统 Communications systems
07/03/2002CN1356802A Multi-path detecting circuit and method for CDMA receiver
07/03/2002CN1356800A Path index device of spectrum-spreading receiver
07/03/2002CN1356799A Method for generating orthogonal spectrum-spreading code in mobile communication system
07/03/2002CN1356798A Method and device for determining code synchronizing time or receiving information in CDMA mode and CDMA receiver
07/03/2002CN1356792A Receiver
07/03/2002CN1356791A 接收器和发送器 Receiver and Transmitter
07/03/2002CN1356781A CDMA mobile communication equipment and base station test method thereof
07/03/2002CN1087125C Co-channel interference canceler and its exciting method
07/03/2002CN1087124C Receiving having analog and digital video modes and receiving method thereof
07/03/2002CN1087119C Ultrahigh-frequency band receiving appts. and method for demodulating received signal
07/03/2002CN1087118C Multichannel radio module-set communication device
07/03/2002CA2366939A1 Adaptive frequency hopping strategy
07/02/2002US6415251 Subband coder or decoder band-limiting the overlap region between a processed subband and an adjacent non-processed one
07/02/2002US6415163 Method for transmitting pilot channels and a cellular radio system
07/02/2002US6415158 Dual mode mobile phone operating as a two-way radio
07/02/2002US6415139 Detection circuit of tone signal
07/02/2002US6415138 Wireless communication device and a method of manufacturing a wireless communication device
07/02/2002US6415137 Transmission power control apparatus
07/02/2002US6415136 Method of minimizing interference between devices which communicate in overlapping communication bands
07/02/2002US6415134 Transponder communication station provided with a transmission coil configuration with two transmission coils
07/02/2002US6415005 Digital communication apparatus
07/02/2002US6415001 System and process for shared frequency source multi-band transmitters and receivers
07/02/2002US6414988 Amplitude and phase estimation method in a wireless communication system
07/02/2002US6414987 Code multipath estimation for weighted or modified tracking
07/02/2002US6414985 Method for determining reference phase in radio communication system which uses orthogonal M-ary modulation, and coherent detection method using the same
07/02/2002US6414984 Method for controlling a receiver, and a receiver
07/02/2002US6414983 Digital communication apparatus
07/02/2002US6414951 Method for detecting short codes in CDMA systems
07/02/2002US6414949 CDMA receiver with parallel interference suppression and with weighting
07/02/2002US6414776 Infrared signal receiver with attenuating circuit
07/02/2002US6414771 Optical transmission system including optical restoration
07/02/2002US6414630 Position detection apparatus used for a mobile object
07/02/2002US6414566 Frequency-characteristics variable filter, duplexer, and communication apparatus
07/02/2002US6414562 Circuit and method for impedance matching
07/02/2002CA2213754C Rf transponder system having error detection and correction
06/2002
06/27/2002WO2002051199A2 Programmable headset, programming apparatus and method
06/27/2002WO2002051141A2 Dedicated channel for displaying programs
06/27/2002WO2002051103A2 Hands free kit radio frequency telephone with optical fibre link
06/27/2002WO2002051091A1 Phase error detection and correction for differential signals
06/27/2002WO2002051040A1 Method and system for controlling transmission power
06/27/2002WO2002051035A1 Adaptive antenna receiver
06/27/2002WO2002051031A1 Transmit antenna diversity apparatus and method for a base station in a cdma mobile communication system
06/27/2002WO2002051030A1 Method for avoiding interferences in cellular cdma radio networks caused by defective mobile stations
06/27/2002WO2002051029A2 Method and apparatus for communicating with a peripheral modem
06/27/2002WO2002051023A2 Method for determining weighting factors for subtractive interference cancellation and interference canceller
06/27/2002WO2002051022A1 Radio transmission device and method for aligning parameters thereof
06/27/2002WO2002051021A1 Processing device for the contactless communication with a data carrier which is detachably connected to the processing device
06/27/2002WO2002051020A2 Method and apparatus for interfacing to a radio frequency unit
06/27/2002WO2002051019A2 Method and apparatus for interfacing to a radio frequency unit in a bluetooth communication system
06/27/2002WO2002051015A2 Improvements relating to satellite reception
06/27/2002WO2002050951A1 Antenna for rfid
06/27/2002WO2002050946A1 Resonance coupling device for protecting a human or animal body
06/27/2002WO2002050944A1 Communication terminal with antenna
06/27/2002WO2002050662A2 Apparatus and method of video program classification based on syntax of transcript information
06/27/2002WO2002025831A3 Mmse reception of ds-cdma with transmit diversity
06/27/2002WO2002011303A3 Mobile telephone holding device
06/27/2002WO2002007337A3 Frequency multiplexer
06/27/2002WO2002005443A3 Portable communication device with rf output power capped when the device operates in very close proximity to a human body
06/27/2002WO2002005423A3 Agc circuit
06/27/2002WO2001091316A3 Listening and speaking set for a mobile telecommunications device that can be worn on the wrist
06/27/2002WO2001080447A3 Wireless interface for electronic devices located in enclosed spaces
06/27/2002WO2001065722A3 Method and transmission circuit for producing a transmission signal
06/27/2002WO2001059992A3 Virtual wireless local area network using impulse radio
06/27/2002US20020083448 Dedicated channel for displaying programs
06/27/2002US20020083028 Intelligent portable communications device and operation method for the same according to user's schedule
06/27/2002US20020082827 Error concealment in digital transmissions
06/27/2002US20020082060 Wireless communication device and controlling method thereof
06/27/2002US20020082052 Method for operating a base station by prelimiting an output signal
06/27/2002US20020082050 Operations, administration and maintenance of components in a mobility network
06/27/2002US20020082048 Wireless modem module server system
06/27/2002US20020082047 Distributed architecture wireless RF modem
06/27/2002US20020082045 Mobile telephone apparatus
06/27/2002US20020082041 Base station for controlling initial power ramp-up using short codes
06/27/2002US20020082040 Method employed by a subscriber unit for controlling initial power ramp-up using short codes
06/27/2002US20020082037 Method for controlling transmission power
06/27/2002US20020081993 Wireless module security system and method
06/27/2002US20020081991 Energy-saving method for the wireless reception of data modulated on a carrier signal
06/27/2002US20020081990 Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering
06/27/2002US20020081989 Method and apparatus for adjusting reference frequency in receiver and storage medium storing control program therefor
06/27/2002US20020081988 Method and apparatus for receiving radio frequency signals
06/27/2002US20020081987 Radio communication apparatus
06/27/2002US20020081983 Signal source with multiphase filter
06/27/2002US20020081982 Portable ear devices
06/27/2002US20020081981 Panel-type speaker mounting structure
06/27/2002US20020081975 Equipment lockout system
06/27/2002US20020080996 Digital watermarks and methods for security documents
06/27/2002US20020080995 Digital watermarks and methods for security documents
06/27/2002US20020080993 Hiding encrypted messages in information carriers
06/27/2002US20020080981 Signal processing method, program, and signal processing apparatus
06/27/2002US20020080963 Information processing device and method, and recording medium
06/27/2002US20020080895 Method of receiving information
06/27/2002US20020080891 Base station transmitter having digital predistorter and predistortion method thereof