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)
07/2002
07/18/2002US20020094018 CDMA receiver performing a path search, path search method, and program therefor
07/18/2002US20020094017 Method for improving multipath searcher speed
07/18/2002US20020094016 Base station for use in a CDMA communication system using an antenna array
07/18/2002US20020094015 Method and apparatus for determining characteristics of components of a communication channel
07/18/2002US20020094013 Handoff and source congestion avoidance spread-spectrum system and method
07/18/2002US20020094012 Geolocation system with controllable tags enabled by wireless communications to the tags
07/18/2002US20020094011 Variable rate transmission and reception methods, and variable rate transmission and reception devices
07/18/2002US20020093991 Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium
07/18/2002US20020093988 Synchronization detecting apparatus
07/18/2002US20020093949 Circuit emulation system, circuit emulation method, and sender- and receiver-side transmitters for the system
07/18/2002US20020093933 Method for operating a user equipment by prelimiting an output signal
07/18/2002US20020093932 CDMA subscriber unit having an improved antenna system
07/18/2002US20020093927 Simple block space time transmit diversity using multiple spreading codes
07/18/2002US20020093920 Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
07/18/2002US20020093909 Phase modulation multiplexing transmission unit and phase modulation multiplexing method
07/18/2002US20020093595 Signal processor
07/18/2002US20020093589 Method and circuit for the storage of digital data and television set implementing said storage method
07/18/2002US20020093517 Transport processor
07/18/2002US20020093448 Automobile bi-direction remote control transmission circuitry
07/18/2002US20020093445 Method and apparatus for detecting signal level
07/18/2002US20020093434 Vehicle terminal apparatus and an information transmitting system
07/18/2002US20020093378 Amplifier circuit, radio transmitter, method and use
07/18/2002US20020093377 Power amplification circuit and communication device using the same
07/18/2002US20020092160 Structural frame of thermally conductive material
07/18/2002DE10154288A1 Verfahren zur digitalen Übertragung bzw. Aussendung von Audiosignalen und Empfänger für solche Signale For the digital transmission or transmission of audio signals and receiver for signals
07/18/2002DE10144354A1 Occasion date alerting method in phone, involves changing set image to predetermined image on determining whether present day is registered occasion date
07/18/2002DE10142283A1 Verfahren und Vorrichtung zum Erfassen eines Signalpegels Method and apparatus for detecting a signal level
07/18/2002DE10101702A1 Motor vehicle audio device has interface for CD changer connected to interface emulator with play-back device for compressed stored audio signals connected to it
07/18/2002DE10064924A1 Device combining mobile phone device with limited functionality in a wrist watch for use by older and younger members of a family so that they can always be located and can make emergency calls
07/18/2002CA2434423A1 Direct conversion digital domain control
07/17/2002EP1223783A1 Method for processing resource management in a mobile radiocommunication system
07/17/2002EP1223782A1 Method for management of processing resources in a mobile radio communications system
07/17/2002EP1223756A2 Digital recording/playback apparatus
07/17/2002EP1223752A2 Automatic mains switch device
07/17/2002EP1223716A2 Waveform generator
07/17/2002EP1223687A1 Simplified detection method using spheres in the presence of a low signal-to-noise ratio
07/17/2002EP1223686A2 Mobile communication system using base station frequency correction scheme
07/17/2002EP1223685A2 Mobile communication system using base station frequency correction scheme
07/17/2002EP1223684A2 Mobile communication system using base station frequency correction scheme
07/17/2002EP1223683A2 Mobile communication system using base station frequency correction scheme
07/17/2002EP1223682A1 An electronic device for a mobile radio station
07/17/2002EP1223681A1 Local oscillation signal supply method and circuit therefor
07/17/2002EP1223680A2 Wireless communication device and controlling method thereof
07/17/2002EP1223641A2 Wireless communications device having a compact antenna cluster
07/17/2002EP1223434A2 Combined GPS positioning system and communications system utilizing shared circuitry
07/17/2002EP1223057A2 Transponder, interrogator and system thereof
07/17/2002EP1222777A1 Multiple wireless communication protocol methods and apparatuses
07/17/2002EP1222757A1 Method and apparatus for timing control in digital communication systems
07/17/2002EP1222752A1 Method and device for transmitting data
07/17/2002EP1222751A1 Correlator
07/17/2002EP1222750A1 Matched filter and spread spectrum receiver
07/17/2002EP1222749A1 Spread spectrum receiver
07/17/2002EP1222748A1 Signal acquisition system for spread spectrum receiver
07/17/2002EP1222747A1 Apparatus and methods for selection of correlation timing in rake receivers
07/17/2002EP1222746A1 Receiver for multiuser detection of cdma signals
07/17/2002EP1222745A1 Timing recovery circuit in qam modems
07/17/2002EP1222744A2 Remote control conversion method
07/17/2002EP1222743A1 Receiver, transceiver, radio unit and method for telecommunication
07/17/2002EP1222742A1 Radio transceiver
07/17/2002EP1222651A2 Home entertainment device remote control
07/17/2002EP1222646A1 Combined wireless telephone and remote controller with voice commands
07/17/2002EP1080538B1 Method and corresponding devices for processing digital data accompanying audio broadcasting programs
07/17/2002EP1051808B1 A circuit arrangement for reducing intermodulation in a bandpass filter system
07/17/2002EP0947055A4 Method and apparatus for transmitting and receiving information as a power hopped direct sequence spread spectrum signal
07/17/2002EP0827647B1 Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation
07/17/2002EP0716788B1 Apparatus for performing frequency conversion in a communication system
07/17/2002EP0713618B1 Transmission system for quasi-periodic signals
07/17/2002CN2501257Y 数据分配器 Data distributor
07/17/2002CN1359590A Terminal powdered on for EPG download
07/17/2002CN1359578A Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using same
07/17/2002CN1359570A Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system
07/17/2002CN1359563A Method and apparatus for fast WCDMA acquisition
07/17/2002CN1359562A Radlo receiver and method for preloading an average dc-offset into a channel filter
07/17/2002CN1359561A Universal replacement communications satellite
07/17/2002CN1359233A 电视调谐器 TV Tuner
07/17/2002CN1359209A Community searching method of substracting autocorrelogram from correlative value oscillogram
07/17/2002CN1359206A Reducing power consumption in CDMA receiver teminal in receiving signal under diversity transmission mode
07/17/2002CN1359198A Input impedance match for RF repeater
07/17/2002CN1359057A Device and method for controlling screen menu switching by direction button
07/17/2002CN1087895C Portable information terminal device with radio selective-calling receiver
07/17/2002CN1087886C Interference eliminator
07/17/2002CN1087885C demodulator for demodulation spread spectrum signal and its method
07/16/2002US6421636 Frequency converter system
07/16/2002US6421631 Diagnostic procedure for electrical appliances
07/16/2002US6421609 GPS receiver with cross-track hold
07/16/2002US6421547 Arrangement at a mobile telephone
07/16/2002US6421546 Signal transmission circuit of a wireless telephone handset
07/16/2002US6421533 Method and apparatus for controlling the envelope of a radio signal
07/16/2002US6421530 Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus
07/16/2002US6421402 Method for calculating impulse response, and receiver
07/16/2002US6421389 Baseband signal converter for a wideband impulse radio receiver
07/16/2002US6421387 Methods and systems for forward error correction based loss recovery for interactive video transmission
07/16/2002US6421379 Digital filter with adaptive coefficients
07/16/2002US6421373 Spread spectrum wireless communications device
07/16/2002US6421371 Modulation sequence synchronization methods and apparatus employing partial sequence correlation
07/16/2002US6421369 Receiving method and receiver for spread spectrum signal
07/16/2002US6421367 Two-phase/four-phase modulated comb-shaped spread spectrum communication system
07/16/2002US6421353 Mobile radio telephone capable of recording/reproducing voice signal and method for controlling the same
07/16/2002US6421334 Technique for time alignment of uplink CDMA signals
07/16/2002US6421332 Apparatus for measuring input and output levels of base station transmitters in a mobile communication system