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)
05/2010
05/12/2010CN1442959B Power servo ring, radio frequency signal amplifying circuit and radio frequency signal emitter
05/12/2010CN101707816A Transmitting device of mobile terminal and method for implementing signal transmission
05/12/2010CN101707610A Data transmission method of multi-channel radio monitoring receiver
05/12/2010CN101707583A Method and device for determining cyclic prefix mode and timing with orthogonal frequency division multiplexing symbol
05/12/2010CN101707501A Infrared receiving circuit
05/12/2010CN101707499A Data transmission method and system for realizing compatibility of CDMA and WCDMA
05/12/2010CN101707496A Wireless headphone system
05/12/2010CN101707495A MIL-STD-1553B bus termination and redundancy backup method thereof
05/12/2010CN101707494A Signal arrival detection method suitable for downlink data link communication of unmanned plane
05/12/2010CN101707493A Multipath signal carrier coherent demodulating Rake receiver
05/12/2010CN101707492A Wireless receiving device
05/12/2010CN101707491A Ic
05/12/2010CN101707281A Mobile terminal and diversity antenna thereof
05/12/2010CN101707271A Equiphase differential multiplexed phase shifter
05/12/2010CN101425821B Iterative pseudo-code capture apparatus and method based on information optimization
05/12/2010CN101247138B Multi-correlative value fixed width fitting pseudo-code tracing phase demodulation method
05/12/2010CN101193134B Protection window replaceable mobile phone
05/12/2010CN101179749B System and method for supporting automatic establishment and disconnection of wireless cluster connection
05/12/2010CN101155061B Master/standby control method
05/12/2010CN101154922B Down frequency conversion mixer
05/12/2010CN101132296B Pilot frequency design method, device and system for multicast business of multimedia broadcast
05/12/2010CN101132250B Phase reversal detecting method and apparatus thereof
05/12/2010CN101110602B Carrier wave catching system and method based on multimode operation
05/12/2010CN101098325B WCDMA system long scrambling code parallel generation method and apparatus
05/12/2010CN101060349B Full-duplex underwater acoustic communication unit able to suppress the local transmitting interference
05/12/2010CN101060346B A device and method for improving the dynamic range of receiver
05/12/2010CN101060344B Medium-frequency crest suppression method and system for time-division synchronization code division-multiple-access system
05/12/2010CN101043220B Apparatus and method for other cell interference cancellation in broadband wireless communication system
05/12/2010CN101027847B High frequency switch and method for manufacturing the same
05/12/2010CN101026387B Automatic stream control device, control method and circuit comprising the device and RS-485 interface chip
05/12/2010CN101022302B Radio frequency module
05/12/2010CN101015183B Method of converting a digital bb (baseband) signal into an analog if (intermediate-frequency) signal
05/12/2010CN101009498B UWB system and UWB unit control method
05/12/2010CN101009039B Receiver of electrical prospecting signal and intelligent control method of magnification
05/11/2010USRE41330 Digital radio telephone for a digital mobile radio communication system
05/11/2010US7716706 Digital television broadcast signal receiver
05/11/2010US7716349 Electronic book library/bookstore system
05/11/2010US7715887 Low power distribution system for an unattended ground sensor system
05/11/2010US7715886 Method and apparatus of reduced power consumption in TDMA signal reception via backward output of input stream to eliminate receiver training period
05/11/2010US7715885 Power saving system in distributed wireless personal area network and method thereof
05/11/2010US7715884 Mobile device with a smart battery having a battery information profile corresponding to a communication standard
05/11/2010US7715883 Alert signal generation
05/11/2010US7715881 Automatically initiating and answering communications
05/11/2010US7715874 Portable handsfree device for cable connection to a mobile terminal
05/11/2010US7715873 Wearable accessories providing visual indicia of incoming events for wireless telecommunications device
05/11/2010US7715869 Semiconductor integrated circuit device
05/11/2010US7715867 Mobile communication terminal and wireless communication module thereof
05/11/2010US7715858 Secondary station and method of operating the station
05/11/2010US7715836 Direct-conversion transceiver enabling digital calibration
05/11/2010US7715834 Wireless communication system, device, and method of setting up wireless communication adapter
05/11/2010US7715830 Safeguarding user data stored in mobile communications devices
05/11/2010US7715828 Wireless communication device with call screening
05/11/2010US7715815 Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
05/11/2010US7715814 Method and system for spurious signal control in receivers
05/11/2010US7715813 Receiver having tunable amplifier with integrated tracking filter
05/11/2010US7715812 RF power amplifier
05/11/2010US7715811 Integrated transceiver with envelope tracking
05/11/2010US7715810 System and method for combining stepped drain bias control with digital predistortion for a power amplifier
05/11/2010US7715809 EDGE modulator
05/11/2010US7715808 Polar modulating circuit, polar coordinate modulating method, integrated circuit and radio transmission device
05/11/2010US7715804 Keypad display method and apparatus of portable device
05/11/2010US7715803 Methods and apparatus for constant-power loading asymmetric antenna configuration
05/11/2010US7715802 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer
05/11/2010US7715801 Wireless communication device and radar detection method therefor
05/11/2010US7715799 Self-monitoring radio network
05/11/2010US7715798 Multiplying symbol streams by rectangular matrix of (P/M)×1 vectors
05/11/2010US7715797 Mobile communication terminal equipped with speaker phone function and method for removing feedback effect when speaker phone is used
05/11/2010US7715722 Fiber optic radio frequency distribution system
05/11/2010US7715567 Noise reduction in a stereo receiver
05/11/2010US7715566 Apparatus and method of automatically compensating a difference between audio signals of an analog broadcast and a digital broadcast
05/11/2010US7715510 Method and device to maintain synchronization tracking in TDD wireless communication
05/11/2010US7715493 Digital transmitter and methods of generating radio-frequency signals using time-domain outphasing
05/11/2010US7715477 Classifying image areas of a video signal
05/11/2010US7715473 Channel equalizer, method and computer program for equalizing a channel
05/11/2010US7715469 Link adaptation in wireless networks for throughput maximization under retransmissions
05/11/2010US7715468 QoS control method for transmission data for radio transmitter and radio receiver using the method
05/11/2010US7715467 Programmable logic device integrated circuit with dynamic phase alignment capabilities
05/11/2010US7715465 Correlation method to adaptively operate in time varying phase and correlator thereof
05/11/2010US7715464 Positioning of a path searcher window in a CDMA receiver
05/11/2010US7715463 Simple and robust digital code tracking loop for wireless communication systems
05/11/2010US7715462 Variable spreading factor-orthogonal frequency and code division multiplexing (VSF-OFCDM) system, a receiver for use therein and a method of processing received signals in such a system
05/11/2010US7715461 High data rate CDMA wireless communication system using variable sized channel codes
05/11/2010US7715460 Hybrid orthogonal frequency division multiple access system and method
05/11/2010US7715444 Resuming a previously interrupted peer-to-peer synchronization operation
05/11/2010US7715375 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
05/11/2010US7715365 Vocoder and communication method using the same
05/11/2010US7715348 Radio control device and method of selecting spread code
05/11/2010US7715347 Method of enabling a combined data rate control lock channel in a wireless communication system
05/11/2010US7715333 Incoming message decoding in wireless communications devices and methods
05/11/2010US7715305 Data detection method and receiver
05/11/2010US7715278 Initiating playing of data using an alarm clock
05/11/2010US7715203 RF module structure of a mobile communication terminal
05/11/2010US7714873 Strategies for compressing textures
05/11/2010US7714871 System and method for controlling display of mobile terminal
05/11/2010US7714868 Apparatus and methods of selecting special characters in a mobile communication terminal
05/11/2010US7714787 Antenna, and wireless module, wireless unit and wireless apparatus having the antenna
05/11/2010US7714777 Semiconductor device for spread spectrum radar apparatus
05/11/2010US7714654 Amplifier and amplifier gain adjustment circuitry using current steering, and multimode communication device containing same
05/11/2010US7714534 Multiple function current-sharing charging system and method
05/11/2010US7712672 Antenna module and portable communication terminal equipped with the antenna module