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)
09/2004
09/22/2004EP1459095A2 A combined t/r switch with lna and a method of improving the performance of a receiver
09/22/2004EP1427114A9 High-frequency composite switch module
09/22/2004EP1356667B1 Device for receiving digital radio signals
09/22/2004EP1356651B1 Compensation method for a transceiver using two-point modulation
09/22/2004EP1334410B1 Housing for an emergency call transmitter
09/22/2004EP1303766A4 Combined parallel and sequential detection for gps signal acquisition
09/22/2004EP1266461B1 Method for changing over to an equivalent circuit of a subassembly unit in digital systems for data transmission and an equivalent circuit for carrying out said method
09/22/2004EP1260017B1 Method and transmission circuit for producing a transmission signal
09/22/2004EP1205036B1 Signal generator and decoder
09/22/2004EP1125384B1 Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system
09/22/2004EP0947117B1 Method and device for reducing electricity consumption in mobile multimode telecommunication terminals
09/22/2004EP0917778B1 Method and apparatus for receiving a signal in a digital radio frequency communication system
09/22/2004EP0908010B1 Program selection system for a digital television receiver
09/22/2004EP0629324B1 Apparatus and method for reducing power consumption in a mobile communications receiver
09/22/2004CN2643583Y Vehicular hand-free apparatus for handset
09/22/2004CN2643581Y Multiband microwave small-sized mixed bridge
09/22/2004CN2643554Y CDMA direct-broadcasting station or base station
09/22/2004CN2643550Y Receiver for wireless input apparatus
09/22/2004CN1531836A Supplemental audio contents system with wireless communication for cinema and related methods
09/22/2004CN1531798A Peak detection accuracy
09/22/2004CN1531789A Base station synchronization for wireless communication systems
09/22/2004CN1531788A Antena diversity arrangement in frequency hopping system
09/22/2004CN1531783A Partitioned radio-frequency apparatus and associated methods
09/22/2004CN1531782A Control of receiver immunity to interference by controlling linearity
09/22/2004CN1531774A Quardrature direct-conversion demodolator using DC offset compensation
09/22/2004CN1531391A Portable terminal, opening or closing method
09/22/2004CN1531390A Tuning devices
09/22/2004CN1531363A Strip wireless communication terminal and rotary hinge device
09/22/2004CN1531361A Method for using blue tooth mobile telephone to carry out voice log on with audio on board
09/22/2004CN1531355A Method and apparatus for processing and receiving signal in movable table of mobile communication system
09/22/2004CN1531314A Calling error prevention
09/22/2004CN1531313A Monitor
09/22/2004CN1531306A Strip portable wireless terminal
09/22/2004CN1531296A Frequency calibrating method and device for long period of variation
09/22/2004CN1531271A Method and device for asynchronous transmission mode physical facility general operation and testing interface terminal search in turn
09/22/2004CN1531260A Method for improving network transmission efficiency of wireless local net system
09/22/2004CN1531259A Method for improving network transmission efficiency of wireless local network system
09/22/2004CN1531236A Decoder and decoding method for communication system
09/22/2004CN1531235A Decoder and decoding method for communication system
09/22/2004CN1531234A Coder and coding method for communication system
09/22/2004CN1531230A Continuous pilot frequency data transmission method based on OFDM frequency hop in broadcasting system
09/22/2004CN1531224A Device for synchronizing mobile wireless receiver with frame structure of wireless receiving signal
09/22/2004CN1531218A Coder and coding method in communication system
09/22/2004CN1531217A Generator and generating method for superwide band pulse sequence, data communication apparatus and method
09/22/2004CN1531216A Monolithic direct converting transceiver and producing method thereof
09/22/2004CN1531215A Analog demodulator for low and medium frequency receiver
09/22/2004CN1531139A Active intelligent antenna system and producing method thereof
09/22/2004CN1530992A Switch device and satellite antenna switch devices
09/22/2004CN1530846A Integrated circuit of communication module and transceiver
09/22/2004CN1168340C Portable wireless telephone having improved ringing device
09/22/2004CN1168339C Portable telephone set
09/22/2004CN1168328C Iterative operation structure and method suitable for being realized via software radio frequency
09/22/2004CN1168315C Cable modem tuner
09/22/2004CN1168269C Method of and receiver for detecting presence of data
09/22/2004CN1168253C Receiver for demodulating CDMA access signals
09/22/2004CN1168252C Receiver and method for demodulating CDMA access signals
09/22/2004CN1168251C Multiple beam receiver
09/22/2004CN1168250C Mobile station for CDMA communication system and communication method for mobile station
09/22/2004CN1168248C Channel-distribution method in wide-band code-division multiple-address communication system
09/22/2004CN1168243C Apparatus for generating scrambling code in UMTS communication system
09/22/2004CN1168242C Transmitting and receiving device and method for continuous outer-loop power control while in DTX mode in CDMA mobile communiation system
09/22/2004CN1168241C Method and device for making code synchronous trapping in CDMA communication system
09/22/2004CN1168240C Receiver and demodulator applied to mobile communication system
09/22/2004CN1168239C Single or multiple way non-guide phase interference demodulating device and relative multi-way receiving module
09/22/2004CN1168234C Method and system for controlling transmissioon power
09/22/2004CN1168229C Frequency tracking for communication signals using M-array orthogonal walsh modulation
09/22/2004CN1168228C 扩频数字微波传输装置 Spread spectrum digital microwave transmission equipment
09/22/2004CN1168227C Wideband receiver and channel scanning method
09/22/2004CN1168226C Extended sleep mode method and apparatus
09/22/2004CN1168225C Radio apparatus and gain control circuit
09/22/2004CN1168215C Noise cancellation circuit and quadrature downconverter
09/22/2004CN1168202C Adaptive linear power amplifier and its adaptive method
09/22/2004CN1168176C Radio communication device with collapsible antenna and its impedance matching method
09/22/2004CN1168056C Emergecy call device for vehicles
09/21/2004USRE38593 Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system
09/21/2004US6795913 Method for restarting an apparatus if the integrity of data in a memory is lost during micro-outage of power supply
09/21/2004US6795805 Periodicity enhancement in decoding wideband signals
09/21/2004US6795714 Multiband antenna switcher
09/21/2004US6795697 RF receiver switches
09/21/2004US6795696 Circuit configuration for filtering a radio-frequency signal
09/21/2004US6795694 Automatic gain control system
09/21/2004US6795693 Method for controlling the transmitter part of a radio transceiver and a corresponding radio transceiver
09/21/2004US6795692 Method and apparatus for transmitting information by radio
09/21/2004US6795691 Variable-power transceiving device
09/21/2004US6795690 Full-duplex transceiver with distributed duplexing function
09/21/2004US6795588 Noise detector, noise detection method, signal processor and signal processing method
09/21/2004US6795559 Impulse noise reducer detecting impulse noise from an audio signal
09/21/2004US6795548 Method and system for data communication
09/21/2004US6795509 Method of receiving spread-spectrum signal and radio communication terminal device
09/21/2004US6795497 Use of end to end compression devices in telecommunication networks
09/21/2004US6795495 Line driver with output impedance synthesis
09/21/2004US6795493 Circuit for a transceiver output port of a local area networking device
09/21/2004US6795491 Spread spectrum localizers
09/21/2004US6795490 Signal detection in a direct-sequence spread spectrum transmission system
09/21/2004US6795489 Acquisition of a gated pilot
09/21/2004US6795488 Spread spectrum communication apparatus
09/21/2004US6795487 Receiver
09/21/2004US6795486 Variable-length correlator for spread-spectrum communications
09/21/2004US6795485 Integrated QPSK/FSK demodulator
09/21/2004US6795452 Method of tracking time intervals for a communication signal