Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
11/1986
11/05/1986EP0200209A2 Cordless telephone apparatus having means for synchronizing channel scanning of fixed and portable units
11/05/1986CN85103575A Receiver divice in a satellite communication system
11/04/1986US4621262 Method of and a system for remote control of electronic equipments
11/04/1986CA1213644A1 Fixed station of a radiocommunications system with frequency jumps and two-way transmitters
10/1986
10/29/1986EP0199058A2 Method and circuit arrangement for the reception of radio waves
10/28/1986CA1213357A1 Receiver device in a satellite communication system
10/22/1986EP0198448A1 Method for the synchronization of several pulsed transmitters-receivers
10/22/1986EP0104206B1 Frequency-hopped single sideband mobile radio system
10/21/1986US4619002 Self-calibrating signal strength detector
10/21/1986CA1213023A1 Satellite communication system
10/15/1986EP0197650A2 Signal separating device
10/15/1986EP0128209B1 Method of setting radio transmitters for synchronous radio transmission
10/15/1986CN86100949A Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
10/14/1986US4617674 Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop to a large earth station
10/08/1986EP0196834A2 Security arrangement for cordless telephone system
10/08/1986EP0112850B1 Equipment for wireless telephone transmission
10/07/1986US4616108 Domestic satellite communication system
10/07/1986CA1212421A1 Correlation circuits
09/1986
09/25/1986WO1986005639A1 Signal quality steered diversity
09/24/1986EP0195523A1 Program blocking method for use in direct broadcast satellite system
09/23/1986US4613990 Radiotelephone transmission power control
09/23/1986US4613977 Digital Navstar receiver
09/23/1986US4613975 Selective fading protection system
09/22/1986EP0179898A4 A two way personal message system with extended coverage.
09/17/1986EP0194920A1 Autoadaptive and hybrid data transmission method, especially for space telecommunication, and apparatuses for carrying out such a method
09/17/1986EP0128210B1 Method and apparatus for synchronizing radio transmitters for synchronous radio transmission
09/16/1986US4612637 Multiple-access communications system
09/12/1986WO1986005341A1 Tdma/tdm interfacing
09/10/1986EP0193972A2 MF signal transmitting control apparatus/method for use in cordless telephone system
09/10/1986EP0193953A1 Diversity receiving device
09/09/1986US4611212 Field component diversity antenna and receiver arrangement
09/03/1986EP0193091A2 Data retransmitting method in communication network
09/03/1986EP0192730A1 Transmission of information by directed bundles of rays of electromagnetic waves having a maximum wavelength of 10mm.
09/03/1986CN86101382A Process for the b-lactam antibiotics and their use and in medicaments
09/02/1986CA1210871A1 Guard tone capture method
08/1986
08/28/1986WO1986005050A1 Spread spectrum adaptive antenna interference canceller
08/27/1986EP0192061A1 Device for automatic gain control in a TDMA receiver
08/27/1986EP0112844B1 Method and apparatus for encrypted radio communications
08/26/1986US4608701 Communication receiving unit for the suppression of noise and interference signals
08/20/1986EP0191488A2 Unit for preventing an interception of a radio communication signal transmitted between a fixed facility and a mobile station
08/20/1986EP0191233A1 Automobile antenna system
08/19/1986US4607389 Communication system for transmitting an electrical signal
08/19/1986US4607257 Remote calibrating system for satellite time
08/14/1986WO1986004762A1 Supervisory audio tone detection in a radio channel
08/14/1986WO1986004756A1 Telephone installation with short range radio transmissions comprising sets each simultaneously usable by a plurality of persons
08/13/1986EP0190862A2 Automobile antenna system
08/13/1986EP0190771A2 Method of initially establishing burst acquisition in TDMA satellite communications system and arrangement therefor
08/13/1986EP0190166A1 Rf amplifier with frequency spectrum control.
08/13/1986CN85109677A Method of and arrangement for transmitting messages in a digital radio transmission system
08/12/1986US4606073 Assistance summoning system
08/12/1986US4606054 Cross-polarization interference cancellation
08/12/1986US4606019 Receive data processing device for TDMA satellite communications network
08/12/1986CA1209642A1 Digital voice storage system
08/06/1986EP0189854A2 A communication system and a method of operating it capable of interruption talk during data transmission
08/06/1986EP0189822A2 Digital mobile radio system
08/06/1986EP0189695A1 Radio-communication system with slow frequency hopping and composite sequences allocation protocol
08/06/1986EP0189661A2 Polarity switch for satellite television receiver
08/06/1986CN85108829A Satellite/hybrid television system
08/05/1986CA1209212A1 Selective call paging and priority signalling system
08/05/1986CA1209210A1 Method and apparatus for measuring the strength of a radio signal frequency
07/1986
07/30/1986EP0189201A2 Terminal control device for reference station in TDMA satellite communication system
07/30/1986EP0188925A1 Method and arrangement for data transmission between moving vehicles on a road
07/30/1986EP0188836A2 Method and device for information transmission in a digital radio transmission system
07/30/1986EP0188554A1 Cellular voice and data radiotelephone system.
07/30/1986EP0188526A1 Self-calibrating signal strength detector
07/29/1986CA1208716A1 Auto-adaptive amplitude-equalizing arrangement for digital radio links
07/22/1986US4602375 Onboard clock correction by means of drift prediction
07/17/1986WO1986004199A1 Dispatch trunked radio system
07/16/1986EP0187672A2 One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference
07/16/1986EP0187474A2 Corded/cordless telephone
07/15/1986US4601046 System for transmitting data through a troposcatter medium
07/15/1986US4600892 RF amplifier with frequency spectrum control
07/15/1986US4600890 Demodulator comprising a phase-locked loop
07/09/1986CN85107963A Duplex interconnect/dispatch trunked radio system
07/08/1986US4599734 Space diversity communications system for multi-direction time division multiplex communications
07/08/1986US4599720 Satellite communications system
07/08/1986CA1207390A1 Radio telephones having improved transmitting and receiving characteristics
07/03/1986WO1986003926A1 Method of communications between register-modelled radio devices
07/03/1986WO1986003913A1 Internally register-modelled, serially-bussed radio system
07/02/1986EP0186229A1 Method and circuit for the reduction of guard times between time channels in a digital radio transmission system
07/02/1986EP0186004A1 Mobile telephone system
07/02/1986CA1207038A Automatic gain control circuit for burst signal communication system
07/02/1986CA1207029A Radio communication systems for underground mines
07/01/1986US4598258 Circuit arrangement comprising a voltage-controlled oscillator operable with different sensitivities
06/1986
06/24/1986US4597105 Quaternary ammonium coupler, filers, tensile strength
06/24/1986US4597079 Redundant switchover system for TDMA satellite communication equipment
06/24/1986CA1206531A1 Transmitter and receiver for controlling remote elements
06/24/1986CA1206530A1 Transmitter and receiver for controlling the coding in a transmitter and receiver
06/19/1986WO1986003645A1 Watch pager system and communication protocol
06/19/1986WO1986003635A1 Duplex interconnect/dispatch trunked radio system
06/18/1986EP0184618A1 Resonant equalizer control method
06/18/1986EP0184606A2 Pager watch system utilizing time slot communication
06/17/1986US4595795 Automatic sensitivity switching circuit for a cordless telephone
06/17/1986CA1206202A1 Differential receiver
06/11/1986EP0184447A2 Automobile antenna system
06/11/1986EP0184383A2 A wireless PBX/LAN system with optimum combining
06/11/1986EP0183926A2 Method for the transmission of digital information in a radiotelephone network
06/10/1986US4594706 Packet communication systems
06/04/1986EP0183520A1 Automotive antenna system
06/04/1986EP0183443A1 Automobile antenna system