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)
02/2004
02/11/2004CN1138363C Method for judging interference group mumber in regional search for WCDMA system and frame synchronizer
02/11/2004CN1138354C Transmission method combining CDMA tech. with variable speed image compression coding tech.
02/11/2004CN1138352C Interleaving/deinterleaving device and method for communication system
02/11/2004CN1138351C Receiver and method for receiving spread frequency signal by estimating transmitting symbol rate
02/11/2004CN1138350C System for communicating between two units
02/11/2004CN1138349C PDA antenna system
02/11/2004CN1138348C Digital circuit, transceiver with said digital circuit and method for transmitting and receiving signal
02/11/2004CN1138344C Method and apparatus for automatic gain control
02/11/2004CN1138313C Folded bow-tie antenna
02/10/2004US6691181 Programmatic time-gap defect detection apparatus and method
02/10/2004US6691086 Digital sub-band transmission system with transmission of an additional signal
02/10/2004US6690955 Communication device and method for producing a color illumination uniquely identifying a calling source
02/10/2004US6690949 System and process for supporting multiple wireless standards with a single circuit architecture
02/10/2004US6690927 DECT transmit-receive terminal and method for communicating between a DECT transmit-receive terminal and a DECT base station
02/10/2004US6690926 Apparatus and method for receiving multiple data streams
02/10/2004US6690925 Portable telephone capable of increasing facility of operation
02/10/2004US6690805 Audio signal noise reduction system
02/10/2004US6690789 Fault tolerant telephony control
02/10/2004US6690743 Compensation of delay in linearization loop of power amplifier
02/10/2004US6690742 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
02/10/2004US6690735 Broad band digital radio receiver for multicarrier signal
02/10/2004US6690722 Method for characterizing frequency translation devices
02/10/2004US6690718 Asymmetric digital subscriber line transceiver unit-card and method of controlling the same
02/10/2004US6690716 Correlator for realizing low current consumption
02/10/2004US6690715 Rake receiver with embedded decision feedback equalizer
02/10/2004US6690714 Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
02/10/2004US6690713 Tracking loop for a code division multiple access (CDMA) system
02/10/2004US6690712 Apparatus and method for transmission diversity using more than two antennas
02/10/2004US6690711 User equipment which uses pre-rotation before transmission
02/10/2004US6690665 Device and method for mobile station for receiving signals transmitted from a base station
02/10/2004US6690660 Adaptive algorithm for a Cholesky approximation
02/10/2004US6690431 Audio/video amplifier with the function of automatic turning on/off
02/10/2004US6690336 Antenna
02/10/2004US6690334 Devices for sending and receiving electromagnetic waves
02/10/2004US6690323 GPS receiver with emergency communication channel
02/10/2004US6690290 Media system and remote control for the same
02/10/2004US6690264 Selective cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags
02/10/2004US6690259 Security system to enable authenticated access of an individual to a protected area
02/10/2004US6690251 Tunable ferro-electric filter
02/10/2004US6690225 DC offset cancel circuit
02/10/2004US6690210 Transmitting device
02/10/2004US6690176 Low-loss tunable ferro-electric device and method of characterization
02/10/2004CA2329521C Wireless modem and method therefor for routing data to an application or to storage
02/10/2004CA2300579C Technique for effectively communicating multiple digital representations of a signal
02/10/2004CA2261138C Variable rate transmission and reception methods, and variable rate transmission and reception devices
02/06/2004CA2430380A1 Hand-held transmitter and/or receiver unit
02/05/2004WO2004012477A2 Wireless interactive headset
02/05/2004WO2004012476A2 Electrical impedance based audio compensation in audio devices and methods therefor
02/05/2004WO2004012463A2 Start-up automatic frequency control (afc) method and apparatus
02/05/2004WO2004012462A2 Synchronization strategy and architecture for spread-spectrum receivers
02/05/2004WO2004012441A1 Digital signal processing reception device and method
02/05/2004WO2004012426A1 System and method for speakerphone operation in a communications device
02/05/2004WO2004012410A1 Background updates for database information on a mobile device
02/05/2004WO2004012370A1 Radio device and base station device
02/05/2004WO2004012368A1 Multi-carrier transmission device and multi-carrier transmission method
02/05/2004WO2004012362A1 Transmission diversity systems
02/05/2004WO2004012357A1 Power measurement of received cdma signals using soft threshold preprocessing after correlation
02/05/2004WO2004012356A1 Non-parametric matched filter receiver for wireless communication systems
02/05/2004WO2004012355A1 Ultra-wideband high data-rate communication apparatus and associated method
02/05/2004WO2004012354A1 Radio with duplexer bypass capability
02/05/2004WO2004012352A1 Mobile device equipped with a contactless smart card reader/writer
02/05/2004WO2004012351A1 High frequency module and radio device using the same
02/05/2004WO2004012350A1 An rf front end with reduced carrier leakage
02/05/2004WO2004012349A2 Equalizing signal-to-interference ratios of different physical channels supporting a coded composite transport channel
02/05/2004WO2004012346A2 System and method for multiple-input multiple-output (mimo) radio communication
02/05/2004WO2004012343A2 Radio transceiver architectures and methods
02/05/2004WO2004012341A1 Power and confidence ordered low complexity soft turbomud with voting system
02/05/2004WO2004012265A1 Method and apparatus for electronically aligning capacitively coupled chip pads
02/05/2004WO2004012067A2 Power down system and method for integrated circuits
02/05/2004WO2003105103A3 Method for configuration of an equipment control device
02/05/2004WO2003103169A3 Adaptive noise reduction system for a wireless receiver
02/05/2004WO2003094460A3 Mobile station loop-back signal processing
02/05/2004WO2003081768A3 Improving the efficiency of power amplifiers in devices using transmit beamforming
02/05/2004WO2003067379A3 Method and system of reducing electromagnetic interference emissions
02/05/2004WO2003065602A3 Distortion reduction calibration
02/05/2004WO2003034632A3 Method and device for data communication in a multi-user system
02/05/2004US20040025090 Reference clock failure detection on serial interfaces
02/05/2004US20040025089 Enhanced VPD (Vital Product Data) structure
02/05/2004US20040025087 Microprocessor system architecture to correct built-in ROM code
02/05/2004US20040024478 Operating a digital audio player in a collaborative audio session
02/05/2004US20040023701 Portable telephone
02/05/2004US20040023698 Portable flat charger for a cell phone
02/05/2004US20040023685 Portable device displaying an image provided by photographing
02/05/2004US20040023683 Method and device for data storage using wireless communication
02/05/2004US20040023682 Mobile phone having reduced specific absorption rate (SAR) using an antenna housed to ensure enhanced antenna gain
02/05/2004US20040023680 Dual-mode clock for improved power management in a wireless device
02/05/2004US20040023662 Channel compensating apparatus and method thereof for mobile communication terminal
02/05/2004US20040023651 Network supporting roaming, sleeping terminals
02/05/2004US20040023634 Method and apparatus for scheduling cell search in CDMA mobile receivers
02/05/2004US20040023633 Handheld wireless device holder
02/05/2004US20040023632 Filter centre frequency temperature compensation by adjustment of the operating frequency of the host system
02/05/2004US20040023630 Radio transmission apparatus
02/05/2004US20040023625 Frequency synthesizer and a method for synthesizing a frequency
02/05/2004US20040023624 RF front end with reduced carrier leakage
02/05/2004US20040023621 System and method for multiple-input multiple-output (MIMO) radio communication
02/05/2004US20040023619 Transmission-and-receiving switching circuit not allowing superfluous signals to be input or output
02/05/2004US20040023617 Radio frequency local area network
02/05/2004US20040022335 Apparatus and methods for suppression of interference among disparately-modulated signals
02/05/2004US20040022333 Start-up automatic frequency control (AFC) method and apparatus
02/05/2004US20040022332 Digital RF correlator for multipurpose digital signal processing