Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
03/1996
03/13/1996EP0701335A2 Wireless communication system and station for use therein
03/13/1996EP0701333A2 Synchronisation method and apparatus for a direct sequence spread spectrum communications system
03/13/1996EP0701332A1 Variable gain circuit and radio apparatus using the same
03/13/1996EP0701322A2 AM receiver
03/13/1996EP0701320A2 Detector for digitally modulated signal
03/13/1996EP0701303A2 Combined connector contact
03/13/1996EP0701234A1 Transmitter for pulsed electronic article surveillance systems
03/13/1996EP0700627A1 Method for realizing ambience listening, and radio unit
03/13/1996EP0700626A1 Radio architecture with dual frequency source selection
03/13/1996EP0700616A1 A frequency agile radio
03/13/1996EP0700612A1 Method and apparatus for time division multiplexing the use of spreading codes in a communication system
03/13/1996EP0700611A1 Process for obtaining a signal indicating a synchronisation error between a pseudo-random signal sequence from a transmitter and a reference pseudo-random signal sequence from a receiver
03/13/1996EP0700605A1 Equivalent circuit process for a transmission device for the bidirectional transmission of digital signals and arrangement for implementing the process
03/13/1996EP0700601A1 Carry case
03/13/1996EP0700528A1 Electromagnetic hidden object detector
03/13/1996EP0620959A4 Frequency synchronized bidirectional radio system.
03/13/1996CN1118562A A frequency error correction device of a spread-spectrum communication receiver
03/13/1996CN1118535A Correcting circuit for mixing circuit, receiver using same, and frequency spectrum-inverting circuit using same
03/12/1996US5499399 Two-dimensional kernel adaptive interference suppression system
03/12/1996US5499396 Transmission device for transmitting a wanted signal modulated on a carrier
03/12/1996US5499394 Filter switching circuit
03/12/1996US5499393 Receiver with function to adjust local frequency following reception frequency
03/12/1996US5499389 Method of compensating the dependence of the useful transmitter signal on the transfer function of a combiner filter
03/12/1996US5499388 Radio with frequency scanning and interference detection capability for remote controlled model aircraft
03/12/1996US5499300 Stereo and dual audio signal identifying circuit
03/12/1996US5499295 Method and apparatus for feature authorization and software copy protection in RF communications devices
03/12/1996US5499292 On hook/off hook mechanism for wrist telephone
03/12/1996US5499271 Method for broadcasting a digitally coded stream of data using an already occupied frequency spectrum
03/12/1996US5499267 Spread spectrum communication system
03/12/1996US5499266 Low-power frequency-hopped spread spectrum acknowledgement paging system
03/12/1996US5499265 Spread spectrum correlator
03/12/1996US5499236 Synchronous multipoint-to-point CDMA communication system
03/12/1996US5499018 Local communication bus system and apparatus for use in such a system
03/12/1996US5499000 High-frequency switch
03/12/1996US5498993 Pulse light-receiving circuit with means to minimize power source noise
03/12/1996US5498512 Photographic element having a transparent magnetic recording layer
03/10/1996CA2153441A1 Radio frequency circuit and memory in thin flexible package
03/10/1996CA2153440A1 Radio frequency identification tag
03/07/1996WO1996007264A1 Chip card holder for mobile telephone
03/07/1996WO1996007248A1 Aerial switch for wireless aerial diversity telecommunications devices with two aerials
03/07/1996WO1996007244A1 Communication terminal
03/07/1996WO1996007243A1 Auxiliary equipment for mobile telephones
03/07/1996WO1996002979A3 Channel hopping in a radio communications system
03/07/1996DE4430864A1 Transmission and storage method for embedding additional information in data stream
03/07/1996CA2198613A1 Antenna switch for wireless antenna diversity telecommunications device with two antennas
03/06/1996EP0700174A1 Wireless local radio link telecommunications apparatus
03/06/1996EP0700172A1 System for data transmission over a time-varying channel, and corresponding transmitting and receiving equipment
03/06/1996EP0700170A2 A method and apparatus for spread spectrum code pulse position modulation
03/06/1996EP0700169A2 Transmit-receive switch circuit for radiocommunication apparatus
03/06/1996EP0700168A2 Integrated port selection circuit for high frequency signal
03/06/1996EP0700167A1 Universal wireless radiotelephone system
03/06/1996EP0700166A2 Noise suppressing device
03/06/1996EP0700165A2 Portable transceiver
03/06/1996EP0700155A1 Method and apparatus capable of quickly identifying an unknown system with a final error reduced
03/06/1996EP0700154A1 Surface acoustic wave device and communication device employing the surface acoustic wave device
03/06/1996EP0699953A1 Device for distributing liquid by gravity and a photographic coating device
03/06/1996EP0699361A1 Method and apparatus for transmission of data using radio frequency signals
03/06/1996EP0699342A1 Method for realizing frequency hopping and a base station equipment
03/06/1996EP0599963B1 Process of altering a resonant characteristic of a metal alloy strip and use of such a strip as marker
03/06/1996CN2221841Y Discriminating sourdine
03/06/1996CN2221424Y Multi-functional heart health physiotherapy instrument
03/06/1996CN1118206A Transducer with inner conductive cover for EMI shielding
03/06/1996CN1118122A Dual mode transmission system with switched linear amplifier
03/05/1996US5497395 Method and apparatus for modulating signal waveforms in a CDMA communication system
03/05/1996US5497372 FM multiplex broadcasting and receiving system
03/05/1996US5497145 Selective call receiver with battery saving features and method therefor
03/04/1996EP0738442A4 Dual mode receiver having battery saving capability
03/01/1996CA2157081A1 System for transmitting informations via a time-varying transmission channel and related transmission and reception equipments
03/01/1996CA2154195A1 Wireless local radio link telecommunications apparatus
03/01/1996CA2153711A1 Method and apparatus for spread spectrum code pulse position modulation
02/1996
02/29/1996WO1996006499A2 Method of, and system for, transferring secure data
02/29/1996WO1996006494A2 Nonlinear digital communications system
02/29/1996WO1996006490A1 Multi-band, multi-mode spread-spectrum communication system
02/29/1996WO1996006489A1 Transmitter-receiver
02/29/1996WO1996006487A1 Cdma receiving method and receiver
02/29/1996WO1996006485A1 Broadcasting station data detecting apparatus for a mobile body and broadcast receiving apparatus for mobile bodies
02/29/1996WO1996001544A3 A reception method, and a receiver
02/29/1996DE4442768A1 Anti-theft mounting for motor vehicle radio
02/29/1996DE4430348A1 Interference signal separation method for mobile radio network receiver
02/29/1996DE4430029A1 Direct conversion radiotelephone
02/29/1996DE4429934A1 Energy metering and transmitter unit for usage apportionment
02/29/1996DE4429871A1 Housing for small personal electrical items carried on belt or in pocket
02/29/1996DE19529156A1 Two-station data radio connection system for finding optimal position for mobile station
02/29/1996CA2197332A1 Multi-band, multi-mode spread-spectrum communication system
02/28/1996EP0698976A1 Wireless local area network system
02/28/1996EP0698971A2 Synchronization for DSSS transmission system using jittered pilot code
02/28/1996EP0698324A1 A communication device for computer networks, particularly of the cordless type
02/28/1996EP0698311A1 Method for amplitude training in a linear power amplifier
02/28/1996EP0698268A1 Method and apparatus for mitigating audio degradation in a communication system
02/28/1996EP0698249A1 Device for the exchange of information with an electronic memory card, and car radio provided with such a device
02/28/1996EP0597905B1 Intermodulation controller for radio receiver
02/28/1996EP0440673B1 Method and apparatus for automatically adjusting the output power of a transmitter
02/28/1996CN1117777A Circuit for removing random FM noise
02/28/1996CN1117775A Apparatus and method for controlling the loop bandwidth of a phase locked loop
02/28/1996CN1117774A An amplifier for use in a radiotelephone
02/28/1996CN1117676A Radio receiver
02/28/1996CN1117674A Signal encoding or decoding apparatus and recording medium
02/28/1996CN1117667A Switched capacitor bandpass filter for detecting pilot signal
02/28/1996CN1117613A Common control redundancy switch method
02/27/1996US5495509 High processing gain acquisition and demodulation apparatus
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