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)
06/2007
06/20/2007CN1983899A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983898A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983897A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983896A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983895A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983884A Method for providing digital broadcast and broadcast receiving terminal for receiving digital broadcast
06/20/2007CN1983866A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983865A Code division multiplex transmission manner, transmitter and receiver
06/20/2007CN1983863A Communication node, wireless communication system and data relay method
06/20/2007CN1983841A Level connecting system and method for realizing backup
06/20/2007CN1983840A Low-step crossing device and main-equipment protection for scheduling SDII low-step virtual container
06/20/2007CN1983839A Method, device and PAKE receiver of each radial weighted value of computer
06/20/2007CN1983838A Multichannel link for reducing peak-to-average amplitude ratio
06/20/2007CN1983837A Method and device for transmitting and receiving data by transmission equipment
06/20/2007CN1983836A Terminal device communicating with contact-less IC media, and a communication method performed in the terminal device
06/20/2007CN1983835A Self-powered positioning and modem system for radio/audio communication device
06/20/2007CN1983834A Chip-card holding structure
06/20/2007CN1983833A Method for wireless transmitting audio signals and appararus thereof
06/20/2007CN1983832A Method and system for determining filter coefficient
06/20/2007CN1983831A Receiver and method for receiving radio signal
06/20/2007CN1983830A Method for reminding radio information by cell-phone and cell phone
06/20/2007CN1983829A Communication apparatus and communication method
06/20/2007CN1983828A Terminal scramble testing system and method
06/20/2007CN1983820A Pll频率发生器 Pll Frequency Generator
06/20/2007CN1983819A Pll频率发生器 Pll Frequency Generator
06/20/2007CN1983816A Self-adaptive phase-locked loop under high-low dynamic environment
06/20/2007CN1983800A 变频器和调谐器 Drive and tuner
06/20/2007CN1983798A Voltage-controlled oscillator, transmitter and receiver
06/20/2007CN1983216A Wireless displaying system and wireless data transmitter
06/20/2007CN1322785C Mobile data terminal and communication method therefor
06/20/2007CN1322782C Communication system switching method, and terminal device using this method
06/20/2007CN1322776C Method for outputing information list of honeycomb hand telephone
06/20/2007CN1322742C Camera case of mobile communication terminal
06/20/2007CN1322731C Portable telephone device
06/20/2007CN1322716C Key route information monitoring method based on virtual router redundant protocol
06/20/2007CN1322714C Method for control of transferring complex section protecting and monitoring points
06/20/2007CN1322685C Adaptive antenma array system and weight coefficient valculating controlling method
06/20/2007CN1322684C Method and apparatus for determining operation condition in communications system
06/20/2007CN1322683C Outer loop/weighted open loop power control in time division duplex communication system
06/20/2007CN1322682C Selectively activated AGC signal measurement unit
06/20/2007CN1322680C CDMA receiving apparatus, method, program and recording medium
06/20/2007CN1322679C Dynmaic compressor for compressing analogue signal
06/20/2007CN1322678C Frequency plan
06/20/2007CN1322677C Three-phase mixer circuit and high frequency signal receiver using the same
06/20/2007CN1322676C 便携接收机 Portable receiver
06/20/2007CN1322478C Remote control with status indicator
06/20/2007CN1322466C Transponder
06/20/2007CN1322285C Cooler for low-temperature operating article
06/19/2007US7234010 Body-worn data storage device
06/19/2007US7233832 Method and apparatus for expanding audio data
06/19/2007US7233815 Radio communication system for vehicle
06/19/2007US7233814 Communication system for vehicle management
06/19/2007US7233813 Portable terminal apparatus and display control program thereof
06/19/2007US7233812 Directional beam communication system, directional beam communication method, base station and controller
06/19/2007US7233810 Dynamically reconfigurable universal transmitter system
06/19/2007US7233809 Efficient communication with passive devices
06/19/2007US7233808 Smart BLUETOOTH interface gateway to mate a non-BLUETOOTH wireless device with a BLUETOOTH headset
06/19/2007US7233806 Apparatus and method employing time-multiplexed searcher finger monitoring for active set and other base stations
06/19/2007US7233804 Radio communication system, and apparatus, method, and computer program for said radio communication system
06/19/2007US7233787 Data distribution terminal, menu server, and distribution reservation system using them
06/19/2007US7233780 Method and apparatus for performing DC offset cancellation in a receiver
06/19/2007US7233779 Radio human-machine interface using knobs and menu picks
06/19/2007US7233778 Apparatus and method for converting a signal from a first analog format to a second analog format
06/19/2007US7233777 Separation of AM cochannel signals in an overloaded signal environment
06/19/2007US7233776 Low voltage microelectromechanical RF switch architecture
06/19/2007US7233775 Transmit and receive antenna switch
06/19/2007US7233774 RF transceiver with compact stacked mixer design for multiple frequency conversion
06/19/2007US7233773 Configuring a MIMO communication
06/19/2007US7233769 Multiple channel wireless communication system
06/19/2007US7233745 Field device configured for wireless data communication
06/19/2007US7233669 Selective encryption to enable multiple decryption keys
06/19/2007US7233662 Numerical array output device, a numerical array output method, an encryption device, and a decryption device
06/19/2007US7233660 Method and system for extending backup battery life in primary line customer premises-equipment
06/19/2007US7233633 Channel estimation using linearly constrained filter coefficients
06/19/2007US7233631 DC-offset correction circuit having a DC control loop and a DC blocking circuit
06/19/2007US7233627 Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
06/19/2007US7233620 Bandwidth-efficient wireless network modem
06/19/2007US7233619 Variable general purpose compression for video images (ZLN)
06/19/2007US7233615 Timing correcting device and timing correcting method
06/19/2007US7233614 CDMA receiving apparatus and method
06/19/2007US7233613 Synchronization establishing device, method of establishing synchronization, and receiver
06/19/2007US7233612 Wireless communication deinterleaver using multi-phase logic and cascaded deinterleaving
06/19/2007US7233586 Procedure for the determination of the length of a standard code sequence of a CDMA signal
06/19/2007US7233582 Wireless communication system and transmission power control method therefor
06/19/2007US7233568 System and method for selection of redundant control path links in a multi-shelf network element
06/19/2007US7233545 System and method for determining the location of an acoustic event
06/19/2007US7233369 Television tuner for both analog and digital signal
06/19/2007US7233368 Down-converter
06/19/2007US7233256 System and method for receiving a signal to trigger a pyroelectric activation system
06/19/2007US7233242 Arrangement and method for setting a transmit power
06/19/2007US7233210 Spread spectrum clock generator
06/19/2007US7233206 Semiconductor integrated circuit device and wireless communication system
06/19/2007US7233200 AGC circuit, AGC circuit gain control method, and program for the AGC circuit gain control method
06/19/2007US7233190 Voltage subtracting circuit carrying out voltage subtraction by converting input voltage into current, intensity detecting circuit, and semiconductor integrated circuit device using the same
06/19/2007CA2528302A1 Receiver device, network device, system, and method for am (amplitude modulation) and/or fm (frequency modulation) reception
06/19/2007CA2437115C Transmitter-receiver system
06/19/2007CA2370670C Apparatus and method for assigning a common packet channel in a cdma communication system
06/14/2007WO2007067990A2 Systems and methods for error resilience and random access in video communication systems
06/14/2007WO2007067967A2 Cross-correlation detection in a receiver
06/14/2007WO2007067853A2 Method and apparatus for reducing phase imbalance in radio frequency signals