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)
07/2009
07/08/2009CN100512334C Sliding-type portable wireless terminal
07/08/2009CN100512330C Opening and closing device for portable terminal
07/08/2009CN100512329C Portable wireless telephone
07/08/2009CN100512257C Dynamically varying linear system for an RF front-end of a communication device
07/08/2009CN100512247C High-frequency signal receiver and manufacturing method thereof
07/08/2009CN100512133C Method for building terminal management channel backup in router
07/08/2009CN100512082C Space-time spreading method of CDMA system
07/08/2009CN100512078C Time-history display of orthogonal code power electric level
07/08/2009CN100512074C Multiple user detecting method with accelerated ball decoding
07/08/2009CN100512073C CDMA system multi-path search interpolation method
07/08/2009CN100512072C Use of sending synchronous signal before reference for carrying out synchronization in superwide band communication
07/08/2009CN100512070C Automatic gain control circuit and method thereof, and demodulation apparatus using the same
07/08/2009CN100512066C System and method using primary and secondary synchronization codes during cell search
07/08/2009CN100512053C Method for determining channel shock response of user of time division synchronization CDMA system
07/08/2009CN100512041C Equipment and method for detecting ripple wave occured by multi-channel propagation and controlling receiving antenna and tuner
07/08/2009CN100512037C Method of data synchronization in main stock redundance system
07/08/2009CN100512036C Method and device for estimating channel in TD-SCDMA
07/08/2009CN100512035C Block decision feedback method for TD-SCDMA reception signal demodulation
07/08/2009CN100512034C Integrated detecting method for use in time-division-synchronous CDMA access system
07/08/2009CN100512033C Spread spectrum communication device and spread spectrum communication method
07/08/2009CN100512032C Self-adaptive antenna base station
07/08/2009CN100512031C System, method and apparatus for wireless channel parameter estimation in spread spectrum communication system
07/08/2009CN100512030C Telephone and method for converting sound to image and displaying on screen thereof
07/08/2009CN100512029C Hinge assembly for multi-configuration portable electronic device
07/08/2009CN100512028C Radio communication terminal for changing image file of background picture and method for displaying image file of background picture
07/08/2009CN100512027C Method and device for restraining narrowband interference
07/08/2009CN100512026C Radio transmission apparatus with variable frequency bandwidth of transmission signal or variable method of modulating transmission signal
07/08/2009CN100512025C Method for improving radio-frequency emitting performance of multi-frequency-point housing district
07/08/2009CN100512024C VHF-UHF wireless microphone
07/08/2009CN100512023C High-speed signal transmission-line structure of connected-pole parallel series
07/08/2009CN100511987C Variable matching circuit
07/08/2009CN100511832C Matching circuit and laminated duplexer with the matching circuit
07/08/2009CN100511301C Integrated circuit with enhanced coupling
07/07/2009USRE40825 Method and arrangement for timing the diversity weight changes in a cellular radio system
07/07/2009US7559075 Digital television broadcast signal receiver
07/07/2009US7558637 Digital mixer capable of programming mixer configuration, mixer configuration editing apparatus, and control application program to control digital mixer
07/07/2009US7558607 Mobile electronic device having audio connector providing an antenna function
07/07/2009US7558605 Periodic ranging in a wireless access system for mobile station in sleep mode
07/07/2009US7558602 Method for multi-antenna scheduling of HDR wireless communication systems
07/07/2009US7558601 Method of switching communication modes of a communication device
07/07/2009US7558598 Dialling a number via a coded surface
07/07/2009US7558597 Retrieving a ringtone via a coded surface
07/07/2009US7558588 Resource allocation in a radio access network
07/07/2009US7558576 Employing frequency offset to compensate for Doppler shift
07/07/2009US7558575 Method and apparatus for wireless communication in a high velocity environment
07/07/2009US7558570 Terrestrial DMB receiver using imaginary channel to receive broadcasting services
07/07/2009US7558563 Retrieving contact details via a coded surface
07/07/2009US7558557 Low-power messaging in a network supporting roaming terminals
07/07/2009US7558556 Adaptive radio transceiver with subsampling mixers
07/07/2009US7558555 Self-structuring subsystems for glass antenna
07/07/2009US7558554 Method and system for antenna selection diversity with prediction
07/07/2009US7558553 Advance signaling for multi-stage tranceivers
07/07/2009US7558552 Integrated circuit and method of generating a bias current for a plurality of data transceivers
07/07/2009US7558551 Signal distribution system cascadable AGC device and method
07/07/2009US7558550 Versatile system for multimode, wireless communication receiver with ZIF and Near-ZIF operations
07/07/2009US7558549 Method and system for rejecting single-sided leakage into an amplitude modulated (AM) channel
07/07/2009US7558548 Method and apparatus for receiving and/or down converting high frequency signals in multi mode/ multi band applications, using mixer and sampler
07/07/2009US7558547 Radio receiver that changes function according to the output of an internal voice-only detector
07/07/2009US7558546 Selectable high-side/low-side mix for high intermediate frequency (IF) receivers
07/07/2009US7558545 Semiconductor device for a tuner and diversity receiver
07/07/2009US7558544 Method of executing scanning in broadband wireless access system
07/07/2009US7558543 Radio frequency tuner
07/07/2009US7558542 System and method for providing a transmitter for polar modulation and power amplifier linearization
07/07/2009US7558539 Power control feedback loop for adjusting a magnitude of an output signal
07/07/2009US7558538 Quadrature sub-harmonic frequency up-converter
07/07/2009US7558537 Modified preamble for programmable transmitter
07/07/2009US7558536 Antenna/transceiver configuration in a traffic sensor
07/07/2009US7558532 Measurement technique for a radio access telecommunications terminal
07/07/2009US7558528 Wireless local area network translating bi-directional packet repeater
07/07/2009US7558527 Radio receiver system and method of injecting audio content
07/07/2009US7558392 Signal switching apparatus and program
07/07/2009US7558359 System and method for adaptive multi-rate (AMR) vocoder rate adaptation
07/07/2009US7558354 Pilot symbols in communication systems
07/07/2009US7558353 Method for suppressing impulse noise and device thereof
07/07/2009US7558352 Apparatus and method for preprocessing of pilot symbols for channel estimation by means of adaptive low-pass filtering
07/07/2009US7558351 Super harmonic filter and method of filtering frequency components from a signal
07/07/2009US7558350 Adaptive antenna reception device having excellent initial directional beam reception quality
07/07/2009US7558346 Symbol detector based on frequency offset compensation in ZigBee system and symbol detecting method thereof
07/07/2009US7558338 Method and apparatus for I/Q imbalance estimation
07/07/2009US7558329 Systems and methods for implementing receiver transparent Q-mode
07/07/2009US7558322 Method and apparatus for temporal wavelet compression
07/07/2009US7558320 Quality control in frame interpolation with motion analysis
07/07/2009US7558319 Method and apparatus for reproducing images, and image recording apparatus
07/07/2009US7558318 Method and apparatus for processing images, method and apparatus for recording and reproducing images, and television receiver utilizing the same
07/07/2009US7558316 System and method for implementing a delta-sigma modulator integrity supervisor
07/07/2009US7558315 Adaptive margin and band control in digital subscriber line (DSL) systems
07/07/2009US7558314 Method and device for detection of a UMTS signal
07/07/2009US7558313 Cross-correlated TDMA, spread spectrum, CDMA and OFDM systems
07/07/2009US7558312 Parallel correlator implementation using block integration for spread-spectrum communication
07/07/2009US7558311 Spread spectrum clock generator and method for generating a spread spectrum clock signal
07/07/2009US7558310 Multi-scale code division frequency/wavelet multiple access
07/07/2009US7558309 Low-interference UWB wireless communication system and processing method thereof and storage medium recorded program of the same
07/07/2009US7558286 Method of scheduling data and signaling packets for push-to-talk over cellular networks
07/07/2009US7558237 Device and method of dynamically assigning subgroups of spreading sequences
07/07/2009US7558232 Adaptive duty cycle management method and system for radio transmitters
07/07/2009US7558230 Method for controlling power of HS-SCCH in mobile communication system
07/07/2009US7558226 Performing an idle mode handoff in a wireless communication device
07/07/2009US7558189 Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method
07/07/2009US7558078 Information processing equipment
07/07/2009US7557773 Variable tuning antenna and mobile wireless device using same