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)
10/1999
10/07/1999WO1999050966A1 Distortion correction circuit for direct conversion receiver
10/07/1999WO1999050965A1 Radio receiver and method of reception
10/07/1999WO1999050954A1 Digital signal processing architecture for multi-band radio receiver
10/07/1999WO1999050930A1 Device for controlling the impedance returned on an electronic label antenna
10/07/1999WO1999050928A2 Communications device
10/07/1999WO1999050926A1 Cellular telephone arrangements
10/07/1999WO1999050679A2 Low complexity frequency estimator and interference cancellation method and device
10/07/1999WO1999050065A1 Molded article and surface covering sheet therefor
10/07/1999WO1999035753A3 Method and system related to an audio/video network
10/07/1999WO1999025152A3 Interactive devices and methods
10/07/1999WO1996038970B1 Portable computer and telecommunications equipment
10/07/1999DE19815322A1 Reflector antenna for analog or digital mobile telephone
10/07/1999DE19814806A1 Schaltungsanordnung zur Demodulation eines Zwischenfrequenz-Videosignals A circuit arrangement for demodulating an intermediate-frequency video signal,
10/07/1999DE19814530A1 Verfahren zur digitalen Übertragung von Daten in einem drahtlosen Kommunikationsnetz und Empfangsgerät zum Empfang von nach dem Verfahren übertragenen Daten Method for the digital transmission of data in a wireless communication network and receiving apparatus for receiving transmitted data according to the method
10/07/1999CA2326531A1 Digital audio broadcasting method using puncturable convolutional code
10/07/1999CA2326103A1 Digital signal processing architecture for multi-band radio receiver
10/07/1999CA2325993A1 An interleaving scheme for blocks in a packet switched system
10/07/1999CA2324896A1 Device for controlling the impedance returned on an electronic label antenna
10/07/1999CA2290357A1 Transmission/reception apparatus and transmission/reception method
10/06/1999EP0948227A1 Calibration technique
10/06/1999EP0948221A2 CDMA/TDD mobile communication system and method
10/06/1999EP0948202A2 Demodulator circuit for video signals at intermediate frequency
10/06/1999EP0948174A2 Time sharing of FFT and differential decoding in a multicarrier receiver
10/06/1999EP0948145A2 Radio communication apparatus and method with adaptive antenna array reception
10/06/1999EP0948134A2 Radio receiver
10/06/1999EP0948080A1 Portable electronic apparatus equipped with an antenna
10/06/1999EP0948019A1 Antenna switch between transmitter and receiver stages
10/06/1999EP0947944A2 Card reader connector
10/06/1999EP0947117A2 Method and device for reducing electricity consumption in mobile multimode telecommunication terminals
10/06/1999EP0947110A2 Methods and systems for reduced power operation of cellular mobile terminals
10/06/1999EP0947108A2 Base station for a radio telecommunications system
10/06/1999EP0947060A2 Access technique of channel hopping communications system
10/06/1999EP0947058A2 System for improving the quality of a received radio signal
10/06/1999EP0947056A1 Method for transmission of data packets
10/06/1999EP0947055A1 Method and apparatus for transmitting and receiving information as a power hopped direct sequence spread spectrum signal
10/06/1999EP0947054A1 Radio telephone with separate antenna for stand-by mode
10/06/1999EP0947053A2 Improvements in or relating to phasing receivers
10/06/1999EP0908024A4 Packet-switched spread-spectrum system
10/06/1999EP0830749B1 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
10/06/1999EP0683959B1 Local communication system and station for use in such a system
10/06/1999EP0587801B1 Signal transmission and tag power consumption measurement circuit for an inductive reader
10/06/1999CN2342520Y Voice intonation relative jammer
10/06/1999CN2342474Y New power cell for mobile telephone
10/06/1999CN1231090A Satellite broadcasting system
10/06/1999CN1231045A Caption type language learning system using caption type learning terminal and communication network
10/06/1999CN1230860A Beeper with transparent display window cover
10/06/1999CN1230838A Connection between LCD module and PCB in flip-up type portable phone
10/06/1999CN1230836A Automatic frequency control in FSK receiver
10/06/1999CN1230829A Method and device for correlation detection, and communication terminal device
10/06/1999CN1230825A Method of controlling transmission output of radio
10/06/1999CN1230801A Portable telephone antenna circuit with reduced susceptibility to human body and method for realizing the same
10/05/1999US5963909 Multi-media copy management system
10/05/1999US5963872 Electronic equipment audio system
10/05/1999US5963858 Method and apparatus for mixing signals
10/05/1999US5963856 Wireless receiver including tunable RF bandpass filter
10/05/1999US5963855 Method for extending the RSSI range and radio transceiver operating in accordance with this method
10/05/1999US5963854 Antenna amplifier
10/05/1999US5963852 Dual band mobile station
10/05/1999US5963845 Satellite payload with integrated transparent channels
10/05/1999US5963842 Satellite broadcasting receiving tuner
10/05/1999US5963638 Adjustable hybrid having improved biasing configuration
10/05/1999US5963596 Audio decoder circuit and method of operation
10/05/1999US5963590 Method for receiving digital radio signals and a digital radio signals receiver
10/05/1999US5963587 Wideband transceiver
10/05/1999US5963586 Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
10/05/1999US5963585 MSK spread-spectrum receiver which allows CDMA operations
10/05/1999US5963583 Fuzzy-logic spread-spectrum adaptive power control
10/05/1999US5963582 Mitigation of multipath effects in global positioning system receivers
10/05/1999US5963581 Impulse radio receiver
10/05/1999US5963563 FM multiplex information receiving apparatus
10/05/1999US5963549 Fixed wireless loop system having baseband combiner predistortion summing table
10/05/1999US5963177 Methods of enhancing electronmagnetic radiation properties of encapsulated circuit, and related devices
10/05/1999US5963109 Converter for a satellite antenna having a replaceable core module
10/05/1999US5962950 Compact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiver
10/05/1999CA2197347C Non-contacting type radio frequency recognizing credit card system
10/05/1999CA2178815C Device and method for multiplexing signal
10/05/1999CA2155903C Ic card radio modem
10/05/1999CA2055309C Apparatus for the optical heterodyne reception of signals
10/03/1999CA2261828A1 Calibration technique
09/1999
09/30/1999WO1999049684A2 Method and device for allocating channels in a cdma radiocommunications system
09/30/1999WO1999049632A1 Method for digital equalisation, and radio communication receiver implementing said method
09/30/1999WO1999049609A1 Spread spectrum communication device and spread spectrum communication method
09/30/1999WO1999049596A1 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in cdma communication system
09/30/1999WO1999049595A1 Power control device and method for controlling a reverse link common channel in a cdma communication system
09/30/1999WO1999049594A1 Device and method for generating pn sequence in cdma communication system
09/30/1999WO1999049591A1 Data packet satellite communication system
09/30/1999WO1999049586A2 Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
09/30/1999WO1999049585A1 Radio transmitter/receiver, high-frequency radio receiver, and control unit
09/30/1999WO1999049584A1 Device made of plastic material for mobile fixation of cellular telephones by means of magnetic attraction
09/30/1999WO1999049583A1 Radio device
09/30/1999WO1999049582A2 Receiver with a clock signal generator
09/30/1999WO1999049581A2 Am quality detector
09/30/1999WO1999049575A2 Sign-cross product automatic frequency control loop
09/30/1999WO1999049567A1 Demodulator circuits
09/30/1999WO1999049565A1 Adjustable frequency stabilizing internal chip capacitor system
09/30/1999WO1999049381A1 Dither noise source with notched frequency spectrum
09/30/1999WO1999049335A1 Method of communication between a plurality of remote units and a control unit
09/30/1999WO1999049333A1 System and method for position determination by impulse radio
09/30/1999WO1999041850A3 A method and a system for controlling a macrodiversity connection through at least two radio network controllers
09/30/1999WO1999038281A3 Spread spectrum phase modulation for suppression of electromagnetic interference in parallel data channels