Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
06/1992
06/30/1992US5126513 Interactive display system
06/30/1992CA1304452C Radio pager receiver capable of readily checking whether or not memory backup is correct
06/25/1992WO1992011707A1 Simulcast scheduler
06/25/1992WO1992010892A1 Synchronous spread-spectrum communications system and method
06/25/1992WO1992010891A1 Spread spectrum cdma communications system
06/24/1992EP0491668A2 CDMA substractive demodulation
06/24/1992EP0413759A4 A method and arrangement for channel monitor and control
06/24/1992CN1062249A Voice duplex channel echo cancelling method and canceller
06/23/1992US5124985 Radiocommunication system using time-division digital frames
06/23/1992US5124535 Control station for data carriers
06/23/1992CA1304132C Fail-soft architecture for public trunking system
06/22/1992WO1992011714A1 A differential quadrature psk receiver with a forward and reverse mode pll and decoder switches
06/21/1992WO1992011715A1 Tdma transceiver controller method and apparatus
06/21/1992WO1992011708A1 Apparatus and method for equalizing a corrupted signal in a receiver
06/21/1992WO1992011705A1 Power control circuitry for a tdma radio frequency transmitter
06/21/1992CA2097694A1 Apparatus and method for equalizing a corrupted signal in a receiver
06/18/1992WO1992011706A1 Frequency and time slot synchronization using adaptive filtering
06/17/1992EP0490427A2 Receiver with at least two receive branches
06/17/1992EP0489993A1 Data throughput enhancement
06/17/1992EP0489880A1 Maximal ratio diversity combining technique.
06/17/1992EP0489838A1 Battery saver for a tdm system
06/16/1992US5123112 Air-to-ground communication system
06/16/1992US5123043 Radio communication method and system
06/16/1992US5123029 Broadcast-initiated bipartite frame multi-access protocol
06/16/1992CA1303687C2 Subscriber unit for wireless digital telephone system
06/16/1992CA1303686C2 Subscriber unit for wireless digital telephone system
06/13/1992WO1992010884A1 Tdma ranging
06/13/1992CA2090108A1 Tdma ranging
06/10/1992EP0489661A1 Method of transmitting information by radio waves between a satellite and a plurality of ground stations, and arrangements for the implementation of the system
06/10/1992EP0277984B1 Beam-forming network
06/10/1992CN1061877A Numerically controlled non-interrupted operating circuit for broadcasting transmitter
06/09/1992US5121504 Mobile radio telephone device with a detachable adapter for external power and antenna connection
06/09/1992US5121503 Satellite signaling system having a signal beam with a variable beam area
06/09/1992US5121409 Multichannel satellite communication and control system
06/09/1992US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels
06/09/1992US5121387 Link utilization control mechanism for demand assignment satellite communications network
06/09/1992US5120007 Geostationary satellite system
06/08/1992WO1992010890A1 Cdma microcellular telephone system and distributed antenna system therefor
06/03/1992EP0488824A2 In-building microwave communication system permits frequency reuse with external point microwave systems
06/03/1992EP0488823A1 Broadcasting of packets in an RF system
06/03/1992EP0488575A2 Technique for adjusting signal dispersion cancellation apparatus in communications systems
06/03/1992EP0488101A1 Reconfigurable multibeam antenna
06/03/1992EP0415979A4 Communication system having a packet structure field
06/03/1992EP0400001A4 Multipath reduction system
06/02/1992US5119509 Low noise block down converter (LNB) for the simultaneous receipt of C/Ku-band satellite-broadcasting
06/02/1992US5119504 Position aided subscriber unit for a satellite cellular system
06/02/1992US5119501 Adaptive diversity equipment arrangement for cellular mobile telephone systems
06/02/1992US5119500 Meteor burst communication system
06/02/1992US5119391 Automatic frequency control circuit for coherent diversity reception
06/02/1992US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
06/02/1992US5119225 Multiple access communication system
06/02/1992CA1302502C Rotatable contactless antenna coupler and antenna
06/02/1992CA1302501C Hybrid electronic radio repeater
05/1992
05/30/1992CA2056774A1 Reconfigurable transmission antenna
05/29/1992WO1992009175A1 Method and apparatus for modulating and dectecting a subcarrier signal for an inductively coupled transponder
05/29/1992WO1992009149A1 A radio transceiver system
05/29/1992CA2030973A1 Wireless sensing/monitoring system
05/28/1992WO1992010040A1 Method and apparatus for transmitting, receiving and communicating data signals with corresponding program data signals
05/27/1992WO1992010042A1 Method and apparatus for paging in a communication system
05/27/1992EP0486833A1 Receiver for DS-SS-signal
05/27/1992EP0486692A1 Frame synchronizing method for digital mobile radio
05/26/1992US5117504 Communications device with adjustment for temperature dependent signal delays
05/26/1992US5117502 Mobile radio communication system
05/26/1992US5117501 Dynamic regrouping in a trunked radio communications system
05/26/1992US5117424 Method and apparatus for setting clock signals to predetermined phases at remote broadcast sites in simulcast systems
05/26/1992US5117423 Data transmission over a time division duplex channel
05/26/1992US5117301 System for transmitting information to moving object
05/26/1992US5117291 Technique for adjusting signal dispersion cancellation apparatus in communications systems
05/26/1992US5117236 Antenna pattern selection for optimized communications
05/26/1992CA1301849C Power saving arrangement and power saving method
05/20/1992EP0486366A1 Circuit to increase the information output rate in a data-exchange system
05/20/1992EP0486365A1 Device for telecommunications by electromagnetic waves
05/20/1992EP0486364A1 Data-exchange system using electromagnetic waves
05/20/1992EP0486362A1 Method for data transmission between mobile stations or autonomous vehicles
05/20/1992EP0486229A2 Satellite control link for paging system
05/20/1992EP0486181A2 Mobile radio telephone
05/20/1992EP0486094A1 Receiving device having a plurality of receiving branches
05/20/1992EP0485935A1 Signal processing circuit for the european digital cellular radio-telephone system
05/20/1992CN2105148U Full automatic radio inquiry calling device
05/20/1992CN1061312A System and method for generating signal waveforms in cdma cellular telephone system
05/20/1992CN1061311A Diversity receiver in cdma cellular telephone system
05/19/1992US5115515 Method and apparatus for radio communication with improved automatic frequency control
05/19/1992US5115514 Measuring and controlling signal feedback between the transmit and receive antennas of a communications booster
05/19/1992US5115233 Shared data/voice communication system with programmable data priority
05/19/1992CA1301379C Multiple accessing satellite communication system having standby central station
05/19/1992CA1301274C Digital communication apparatus
05/19/1992CA1301252C Optical communications network
05/17/1992WO1992009156A1 Adaptive power control for a spread spectrum transmitter
05/17/1992CA2055583A1 Electromagnetic wave data exchange system
05/17/1992CA2055581A1 Electromagnetic wave telecommunication device
05/17/1992CA2055580A1 Circuit for increasing the information flow rate in a data exchange system
05/15/1992CA2055335A1 Method for the transmission of data among mobile bodies or autonomous vehicles
05/14/1992WO1992008299A1 A base station for a radio system
05/14/1992WO1992008295A1 Receiver with battery saver
05/14/1992CA2055327A1 Satellite control link for paging system
05/13/1992EP0485351A1 A method of avoiding interference between a first and a second message in a mobile telephone system
05/13/1992EP0484662A2 Communication system for bidirectional message transmission between ground stations, using a communication satellite
05/13/1992EP0484476A1 Digital automatic gain control
05/13/1992CN1016660B Frequency synthesiszer with spur compensation
05/12/1992US5113525 Linear-modulation type radio transmitter
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