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)
06/2001
06/26/2001US6253067 Transmitter/receiver having an antenna failure detection system
06/26/2001US6253066 Apparatus and method for producing a plurality of output signals with fixed phase relationships therebetween
06/26/2001US6252918 Method and apparatus for digital symbol detection using medium response estimates
06/26/2001US6252909 Multi-carrier transmission system utilizing channels of different bandwidth
06/26/2001US6252899 Complex despreading system
06/26/2001US6252898 Spread spectrum communication method and system wherein data rate of data to be transmitted is changed in accordance with transmission quality
06/26/2001US6252882 Chirp spread spectrum signal multiple access apparatus
06/26/2001US6252866 Virtual locating of a fixed subscriber unit to reduce re-acquisition time
06/26/2001US6252863 Multipath compensation for pseudorange signals
06/26/2001US6252548 Transceiver arrangement for a smart antenna system in a mobile communication base station
06/26/2001US6252520 Mobile unit communication apparatus providing a relayed signal when error detected
06/26/2001US6252516 Radio with silent and audible alerts
06/26/2001US6252515 Radio with silent and audible alerts
06/26/2001US6252468 Signal generator with improved impedance matching characteristics
06/26/2001CA2277154C Dual band antenna
06/23/2001CA2329108A1 Control system
06/23/2001CA2293097A1 Interference suppression in cdma systems
06/21/2001WO2001045395A1 Tuning a signal receiver
06/21/2001WO2001045393A1 Monitoring the degree of action in video transmissions
06/21/2001WO2001045386A2 System and method for broadcasting emergency warnings to radio and televison receivers in low power mode
06/21/2001WO2001045308A2 Internet enabled broadcast receiving apparatus
06/21/2001WO2001045303A1 Radio coverage in closed environments
06/21/2001WO2001045298A1 Method and apparatus for transmission with interference suppression
06/21/2001WO2001045295A2 Method and apparatus for managing multipath signals
06/21/2001WO2001045290A1 Sliding matched filter with flexible hardware complexity
06/21/2001WO2001045289A1 Selective joint demodulation systems and methods for receiving a signal in the presence of noise and interference
06/21/2001WO2001045288A1 Methods and apparatus for signal searching using correlation
06/21/2001WO2001045287A1 Method of receiving spread spectrum signal, and receiver
06/21/2001WO2001045286A1 Transmitter image suppression in tdd transceivers
06/21/2001WO2001045285A1 High-frequency composite switch component
06/21/2001WO2001045283A1 Information terminal with built-in fingerprint recognizer
06/21/2001WO2001045282A1 Radio system with universal communication interface
06/21/2001WO2001045281A1 Radio system with cordless remote ptt module
06/21/2001WO2001045280A1 Electronic device with an operative mode and an energy-saving standby mode, and method for switching between these two modes
06/21/2001WO2001045279A1 Linearisation method and signal processing device
06/21/2001WO2001045278A2 Multibit spread spectrum signalling
06/21/2001WO2001045277A2 Method and apparatus for managing assigned fingers
06/21/2001WO2001045273A2 Duplexer with improved transmission/receiving band separation
06/21/2001WO2001045256A1 Noncyclic digital filter and radio reception apparatus comprising the filter
06/21/2001WO2001045205A2 Antenna coupling systems and methods for transmitters
06/21/2001WO2001045066A1 Safety device for emergency vehicles
06/21/2001WO2001045030A1 Transponder reading device
06/21/2001WO2001043999A1 Programmable trimmer for transponder
06/21/2001WO2001043576A1 Belt clip with improved flange
06/21/2001WO2001010033A3 Analog-to-digital converter for a signal in the gigahertz range, millimetric wave receivers and bandpass filter for millimetric waves
06/21/2001US20010004594 Power management system for use with wireless LAN terminal unit
06/21/2001US20010004588 Device and method of transmitting SOS signals in mobile telecommunication terminal
06/21/2001US20010004586 Apparatus and method for compensating received signal strength indicator according to temperature
06/21/2001US20010004585 Method and device for diversity transmission/reception
06/21/2001US20010004384 Waveform equalizer, mobile station wireless apparatus using the same, base station wireless apparatus using the same, and mobile communication system using the same
06/21/2001US20010004383 DSL transmission system with far-end crosstalk compensation
06/21/2001US20010004381 Method of synchronizing a receiver, and a receiver
06/21/2001US20010004380 Method for synchronizing a receiver, a positioning system, a receiver and an electronic device
06/21/2001US20010004379 Combiner
06/21/2001US20010004378 Apparatus producing continuous stream of correlation values
06/21/2001US20010004377 High-speed cell searching apparatus and method using DPSK-based distributed sample acquisition
06/21/2001US20010004375 Telemetry system with authenticaiton
06/21/2001US20010004373 AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method
06/21/2001US20010004357 Spread spectrum communication methods and spread spectrum communication apparatus
06/21/2001US20010004356 Wireless communication device and method of predicting a frame rate in a CDMA communication system
06/21/2001US20010004353 High frequency composite component and mobile communication apparatus incorporating the same
06/21/2001US20010004349 Phase Modulation multiplexing transmission unit and phase modulation multiplexing method
06/21/2001US20010004223 Adaptive predistortion linearizer
06/21/2001US20010004021 Electronic equipment
06/21/2001DE19960299A1 Duplexer mit verbesserter Sende-/Empfangsbandtrennung Duplexer with improved transmission / reception band separation
06/21/2001DE19956933A1 Empfänger für analog und digital übertragene Rundfunkprogramme Receiver for analog and digital broadcast radio programs
06/21/2001DE19955757A1 Programmierbare Synchronisiereinheit für einen Signalempfänger Programmable timing generator for a signal receiver
06/21/2001DE19953791A1 Vorrichtung zur Wiedergabe und/oder Aufnahme mit einem digitalen Tonträger und zum Empfangen von digitalen Rundfunksignalen An apparatus for reproducing and / or recording with a digital sound carrier and for receiving digital broadcast signals
06/21/2001DE19948370A1 Einrichtung und Verfahren zur Verarbeitung eines digitalen Datensignals in einem CDMA-Funksender Apparatus and method for processing a digital data signal in a CDMA radio transmitter
06/21/2001DE19943189C1 Noise signal elimination method, for HF radio receiver, has 3 separate signal paths providing 2 different spectra mixed with IF signal obtained from reception signal
06/21/2001DE10046655A1 Adaptable power regulation involves predicting future baseband signal attenuation, and signaling transmitters and receivers to reconfigure transmission rate based on predicted attenuation
06/21/2001DE10038187A1 Data transmission method for mobile communication systems, involves establishing transmission starting point for every physical channel when orthogonal relationship does not exists between physical channels
06/21/2001CA2394510A1 Methods and apparatus for signal searching using correlation
06/21/2001CA2394507A1 Transponder reading device
06/21/2001CA2393394A1 Radio coverage in closed environments
06/21/2001CA2392833A1 Duplexer with improved transmission/receiving band separation
06/21/2001CA2327761A1 Wireless systems combining arrangement and method thereof
06/20/2001EP1109332A2 A digital repeater
06/20/2001EP1109328A1 DSL transmission system with far-end crosstalk compensation
06/20/2001EP1109327A2 Control circuit for frequency hopping spread spectrum systems
06/20/2001EP1109326A1 Peamble detector for a CDMA receiver
06/20/2001EP1109325A2 Apparatus for acquisition of asynchronous wideband CDMA signals
06/20/2001EP1109324A2 Spread spectrum signal combiner
06/20/2001EP1109323A2 Apparatus producing a continous stream of correlation values
06/20/2001EP1109322A2 Arrangement and method for restricting word length
06/20/2001EP1109313A2 AFC apparatus and method used a in mobile communication system
06/20/2001EP1109250A1 Radio communication device and electronic apparatus having the same
06/20/2001EP1108307A1 Apparatus and method for channel coding and multiplexing in cdma communication system
06/20/2001EP1108306A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
06/20/2001EP1108293A2 Tracking system and arrangement for implementing said method
06/20/2001EP1108292A1 Receiver and method of recovering data from radio signals
06/20/2001EP1108291A1 Synchronisation codeword for interference reduction in a cdma system
06/20/2001EP1108290A1 Extended sleep mode method and apparatus
06/20/2001EP1108285A1 Control of power ratios for in-phase and quadrature channels in a communications system
06/20/2001EP1108223A1 Method and apparatus for acquiring satellite positioning system signals
06/20/2001EP1108222A1 System and method for power saving in a wireless telephone with a gps receiver
06/20/2001CN1300502A System of apparatus and peripherals
06/20/2001CN1300497A Mobile communications
06/20/2001CN1300487A Base station device and method for suppressing peak current
06/20/2001CN1300486A Spread spectrum receiver and method of receiving signals