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
07/01/2009EP2074702A1 Doppler frequency control of g-rake receiver
07/01/2009EP2074701A2 Controlling the bandwidth of an analog filter
07/01/2009EP2074700A1 Radioelectric transmission and reception module mainly intended for broad-band radiocommunications
07/01/2009EP2074676A1 A tilt-dependent beam-shape system
07/01/2009EP1798850B1 Bidirectional frequency converter and radio equipment using same
07/01/2009EP1520251B1 Full-spectrum passive communication system and method
07/01/2009EP1476949B1 Power amplification apparatus of portable terminal
07/01/2009EP1284050B1 Method and apparatus for code phase tracking
07/01/2009EP1175761B1 Ofdm demodulator with phase correction of the i-q signals
07/01/2009CN201266929Y Communication equipment
07/01/2009CN201266928Y Multi-system access platform and composite apparatus for multi-frequency-band whole path and branch path thereof
07/01/2009CN201266927Y Radio frequency communication equipment
07/01/2009CN201266926Y Wireless emission/receive unit and network node
07/01/2009CN201266925Y Signal frequency divider
07/01/2009CN101473549A Apparatus and method for interference cancellation
07/01/2009CN101473548A Radio communication system and radio communication device
07/01/2009CN101473547A Dual band receiver with control means for preventing signal overloading
07/01/2009CN101473546A Low duty cycle network controller
07/01/2009CN101473545A Multichannel radio signal processing integrated circuit
07/01/2009CN101472171A Data conversion system
07/01/2009CN101472112A Double-tuning circuit of television tuner
07/01/2009CN101471987A Method for simultaneously editing picture/voice in camera mounted cellular phone
07/01/2009CN101471709A Transmission diversity method and apparatus for intelligent antenna
07/01/2009CN101471693A Method and apparatus for sharing grid protection
07/01/2009CN101471692A Radio controlled model apparatus, controller for radio controlled model apparatus, and frequency hopping pattern selection method
07/01/2009CN101471691A Communication method for wireless cluster-dividing sensing network
07/01/2009CN101471689A Method for transmitting data in communication system, communication device and communication system
07/01/2009CN101471688A Apparatus and method for estimating and compensating sampling frequency offset
07/01/2009CN101471687A User terminal for wireless sensing network based on m sequence self correlation
07/01/2009CN101471686A Data transmission method and apparatus
07/01/2009CN101471685A Narrowband CDMA reverse link and modulation spread-spectrum circuit and de-spread demodulation circuit thereof
07/01/2009CN101471684A Signal transmission device and transmission method thereof
07/01/2009CN101471683A Duplexer
07/01/2009CN101471682A Portable electronic device
07/01/2009CN101471681A Wireless communication module and automatic switchover method of double power supply thereof
07/01/2009CN101471680A Wireless receiver and method for eliminating DC offset of wireless receiver
07/01/2009CN101471679A FM receiver and method for improving receiving performance thereof
07/01/2009CN101471678A Automobile gateway and control method thereof
07/01/2009CN101471677A Centralization installation backboard of distributed equipment and combination of radio frequency module and installation backboard
07/01/2009CN101471676A Contact tool and electronic communication device applying the same
07/01/2009CN101471139A Design of three-dimensional memory device
07/01/2009CN101470796A Assembly work supporting method and system
07/01/2009CN101470191A Multipath signal judging method, program, and multipath signal judging device
07/01/2009CN101470186A Correlation calculation process execution method, control circuit, signal processing circuit, and position calculation device
07/01/2009CN100508659C Power amplifying system and method
07/01/2009CN100508618C Apparatus and method for receiving satellite digital multimedia broadcasting
07/01/2009CN100508552C 电视系统 TV system
07/01/2009CN100508531C Mobile phone
07/01/2009CN100508509C Method and apparatus for wireless data transmission
07/01/2009CN100508483C Radio communication system
07/01/2009CN100508477C Radio local network system and method for setting up frequency in said system
07/01/2009CN100508432C Dynamic digital communication system control
07/01/2009CN100508420C Power control for a channel with multiple formats in a communication system
07/01/2009CN100508418C Electromagnetic transponder reader
07/01/2009CN100508415C Method or defining searching-window position
07/01/2009CN100508414C Descending synchronous calibrating method and apparatus for TD-SCDMA system
07/01/2009CN100508413C Method and equipment for reduced real-time signal processing in TDD-CDMA telecommunications system
07/01/2009CN100508412C Radio-frequency chip structure circuit of radio communication and method for transmitting-receiving radio-frequency control word
07/01/2009CN100508411C Correcting unit and method for mismatched phase-synchronized signal and orthogonal-phase signal
07/01/2009CN100508410C Supporting multiple wireless protocols in a wireless device
07/01/2009CN100508409C Vehicular phone device and seamless automatic conversion system and method with the mobile phone
07/01/2009CN100508408C Card-loading socket and mobile communication terminal using the same
07/01/2009CN100508407C Receiver
07/01/2009CN100508406C Energy self-sufficient high frequency transmitter
07/01/2009CN100508278C Radio communications device with reduced specific absorption rate
07/01/2009CN100508026C Coding of stereo signals
07/01/2009CN100507598C An identification system
06/2009
06/30/2009US7555354 Method and apparatus for spatial reformatting of multi-channel audio content
06/30/2009US7555325 Protective sleeve for small portable electronic devices
06/30/2009US7555324 Mobile terminal
06/30/2009US7555323 Cellular phone
06/30/2009US7555320 Radio communication terminal with a detachable active housing and related connector
06/30/2009US7555317 Methods and apparatus for programming user-defined information into electronic devices
06/30/2009US7555316 System and method for formatting and displaying numbers
06/30/2009US7555313 Method for providing connections on a portable device, a portable device
06/30/2009US7555312 Detachable mobile terminal for image communication and operating method thereof
06/30/2009US7555307 Outer loop power control for wireless communication systems
06/30/2009US7555299 Mobile communication system with position detection to facilitate hard handoff
06/30/2009US7555281 RF receiving apparatus
06/30/2009US7555280 Apparatus for frequency direct conversion reception in mobile communication terminal and method thereof
06/30/2009US7555279 Systems and methods for DC offset correction in a direct conversion RF receiver
06/30/2009US7555278 Unconditionally stable filter
06/30/2009US7555277 System for reception of digitally modulated radio signals to a vehicle, using antenna diversity
06/30/2009US7555276 Devices, methods, and computer program products for controlling power transfer to an antenna in a wireless mobile terminal
06/30/2009US7555275 Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier
06/30/2009US7555274 Radio receiver and radio receiving method
06/30/2009US7555273 Bandpass filter with carrier frequency reduction
06/30/2009US7555272 Transmission arrangement for transmitting data continuously in the time domain
06/30/2009US7555271 Single side band transmissions
06/30/2009US7555269 Adaptive modulation scheme and coding rate control method
06/30/2009US7555268 RF transmitter having multiple constant transmit power levels
06/30/2009US7555266 Method and communication system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennas
06/30/2009US7555259 Digital broadcast receiver
06/30/2009US7555258 Integrated circuit device and low noise block down converter including same
06/30/2009US7555223 UWB signal generator using optical FSK modulator
06/30/2009US7555219 Bi-directional signal interface
06/30/2009US7555215 Optical wavelength division multiplexing access system
06/30/2009US7555082 Device, apparatus and method for receiving data transmissions having different data rates
06/30/2009US7555081 Log-sampled filter system
06/30/2009US7555080 Digital broadcasting receiving system and equalizing method thereof