| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
|---|
| 07/08/1980 | US4211894 Transmitter multiplexing system for a land mobile communication system |
| 07/01/1980 | US4210871 Optimum diversity combining circuit for a plurality of channels |
| 07/01/1980 | CA1080807A1 Distortion adapter receiver having intersymbol interference correction |
| 06/25/1980 | EP0012509A1 Function coding system via digital addresses in a communication system |
| 06/25/1980 | EP0012502A1 Polling method for a communications link |
| 06/25/1980 | EP0012394A1 Receiving circuit for synchronizing a pseudorandom generator with a signal received from a transmitter |
| 06/24/1980 | US4209834 State variant correlator |
| 06/24/1980 | US4209749 Railway communication system |
| 06/24/1980 | US4209748 Directional radio system for single sideband operation |
| 06/10/1980 | US4207521 System using carrier burst sequences for detecting interference signals occurring across channels of a radio link including a repeater |
| 06/03/1980 | US4206464 Arrangement including circulators for connecting a plurality of transmitters and receivers to a common antenna |
| 06/03/1980 | CA1078957A1 Ghost cancellation device |
| 05/27/1980 | CA1078508A1 Aircraft antenna-switching arrangements |
| 05/20/1980 | US4204093 Variable frame rate technique for use in a time-division multiple access (TDMA) communication system |
| 05/15/1980 | WO1980001030A1 Mobile radiotelephone station two-way ranging system |
| 05/14/1980 | EP0011015A1 Regenerative digital radio repeater, and a transmission network including such repeaters |
| 05/13/1980 | US4203160 Submarine communication |
| 05/06/1980 | US4201892 Multi-rate TDMA communication system |
| 05/06/1980 | US4201889 Distributed control digital switching system |
| 04/29/1980 | CA1076663A1 Arrangement including circulators for connecting a plurality of transmitters and receivers to a common antenna |
| 04/29/1980 | CA1076649A1 Interface for in band scpc supervisory and signalling system |
| 04/22/1980 | CA1076248A1 Antenna system with automatic depolarization correction |
| 04/22/1980 | CA1076211A1 Receiver selecting (voting) system |
| 04/22/1980 | CA1076210A1 Message generator for a controlled radio transmitter and receiver |
| 04/17/1980 | WO1980000771A1 A signaling and ranging technique for a tdma satellite communication system |
| 04/17/1980 | WO1980000770A1 Driving point impedance |
| 04/15/1980 | US4198611 Redundancy system with eight devices for five channels |
| 04/15/1980 | US4198600 Demodulating system for auxiliary channel in straight-through radio frequency repeater |
| 04/15/1980 | CA1075771A1 Two-way mobile radio voice/data shared communications system |
| 04/08/1980 | US4197500 Automatic channel selection |
| 04/08/1980 | US4197497 Automatic police emergency locator system |
| 04/02/1980 | EP0009096A1 Method and system for synchronising a time division multiple access communication network using a satellite having multiple spot beam antennas at different frequencies |
| 04/01/1980 | CA1074871A1 Vehicular repeater |
| 04/01/1980 | CA1074870A1 Apparatus for automatically correcting depolarization effects on electro-magnetic waves in radio-frequency connections using a double polarization |
| 03/18/1980 | US4194151 Multifrequency generator |
| 03/04/1980 | US4191926 Method and apparatus for interference cancellation at base-band using multiplication of the desired interfering carriers |
| 03/04/1980 | US4191923 Satellite communication systems |
| 03/04/1980 | CA1073054A1 Method and apparatus for radio system cochannel interference suppression |
| 02/20/1980 | EP0008016A1 Method as well as transmitting and receiving apparatus for data transmission with adaptive error correctron |
| 02/19/1980 | US4189733 Adaptive electronically steerable phased array |
| 02/19/1980 | US4189675 Satellite personal communications system |
| 02/19/1980 | CA1072227A1 Access method and station apparatus for compressed handling of digital voice and data signals relative to a high speed tdma facility |
| 02/12/1980 | US4188578 Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams |
| 02/05/1980 | CA1071309A1 Transmitter control apparatus |
| 01/29/1980 | US4186347 Radio frequency arraying method for receivers |
| 01/29/1980 | CA1070868A1 Double sync burst tdma system |
| 01/29/1980 | CA1070846A1 Digital synchronizing signal recovery circuits for a data receiver |
| 01/29/1980 | CA1070841A1 Digital correlation receivers |
| 01/15/1980 | US4184118 Base station feedback reporting system |
| 01/10/1980 | WO1980000051A1 Surface acoustic wave unique word detector and coherent demodulator |
| 01/09/1980 | EP0006807A1 Arrangement for a multiplexed hertzian channel |
| 01/08/1980 | US4182989 System for establishing a communication link between a ground station and each of vehicle drivers within a limited communication area |
| 01/08/1980 | CA1069589A1 Device for automatically correcting the depolarizing effect of electromagnetic waves |
| 01/08/1980 | CA1069587A1 Nonfrequency-converting microwave radio repeater using a low power consumption amplifier |
| 01/01/1980 | US4181886 Distribution control unit providing simultaneous hybrid FDMA and SS-TDMA operation in a transitional satellite switched system |
| 01/01/1980 | US4181824 Balancing impedance circuit |
| 01/01/1980 | CA1069180A Communications relay system |
| 12/25/1979 | US4180708 Fault-proof system for mobile radio communication |
| 12/25/1979 | CA1068794A Phase regulating circuits |
| 12/18/1979 | CA1068348A1 Baseband signal switching arrangement for diversity reception in pcm radio communication system |
| 12/13/1979 | WO1979001089A1 Multiple frame rate technique for a tdma communication system |
| 12/11/1979 | US4178550 Method and apparatus to permit substantial cancellation of interference between a received first and second signal |
| 12/11/1979 | US4178476 Automatic nationwide paging system |
| 12/11/1979 | CA1067988A1 Transmission trunk multichannel dispatch system with priority queuing |
| 11/20/1979 | CA1066826A2 Automatic h-register clear for prevention of erroneous convolution in digital adaptive echo canceller |
| 11/20/1979 | CA1066825A1 Modular slot interchange digital exchange |
| 11/20/1979 | CA1066779A1 Spread spectrum demodulator |
| 11/13/1979 | CA1066421A1 Method and apparatus for uniquely encoding channels in a digital transmission system |
| 11/13/1979 | CA1066363A1 Radio receiver having co-channel interference operated squelch |
| 11/06/1979 | US4173759 Adaptive antenna array and method of operating same |
| 10/31/1979 | EP0004969A1 Device for automatically monitoring the state of charge of line-independent current sources |
| 10/31/1979 | EP0004887A1 Method and device for synchronizing digital transmissions via satellite |
| 10/30/1979 | CA1065417A1 Sampled signal detector |
| 10/23/1979 | CA1065020A1 High reliability diversity communications system |
| 10/23/1979 | CA1065019A1 Digital mobile communication system and method |
| 10/09/1979 | US4170776 System for near real-time crustal deformation monitoring |
| 10/09/1979 | US4170759 Antenna sampling system |
| 10/09/1979 | CA1064112A1 Mobile diversity radio communication system |
| 10/02/1979 | US4170011 Precision antenna alignment procedure |
| 10/02/1979 | CA1063677A1 Spread spectrum demodulator |
| 09/25/1979 | US4169286 Surface acoustic wave unique word detector and coherent demodulator |
| 09/18/1979 | US4168529 Code synchronizing apparatus |
| 09/18/1979 | US4168398 Initial acquisition signal detection system for TDMA satellite communication |
| 09/11/1979 | US4167730 Compression of data on status of remote equipment |
| 09/11/1979 | US4167700 Digital voice protection system and method |
| 08/22/1979 | EP0003633A1 A method of and an apparatus for a radiotelephone communications system |
| 08/22/1979 | EP0003543A1 Transmission device for mono- or multichannel systems |
| 08/21/1979 | CA1060954A1 Transponder system for the transfer of signalling information for rail-bounded vehicles |
| 08/07/1979 | US4163945 System for removing interference distortion in the demodulated signal of a frequency-modulated signal |
| 08/07/1979 | US4163944 Compensation circuit for an electrical signal mixer |
| 08/07/1979 | US4163942 Method and apparatus for effecting communication with receivers disposed in blackout regions formed by concurrently transmitted overlapping global and spot beams |
| 07/31/1979 | US4163235 Satellite system |
| 07/31/1979 | US4163232 Dual mode microwave mixer |
| 07/24/1979 | CA1059216A1 Vehicle repeater prioritization system |
| 07/24/1979 | CA1059215A1 Space diversity system in pcm-tdma telecommunication system using stationary communication satellite |
| 07/17/1979 | US4161694 Radio relay channel branch cascade exhibiting uniform transit-time-and-attenuation-characteristics of all channels |
| 07/10/1979 | US4160952 Space diversity receiver with combined step and continuous phase control |
| 06/26/1979 | CA1057356A1 Digital communications system with immunity to frequency selective fading |
| 06/19/1979 | CA1056966A1 Method for establishing the code-phase coincidence in an ssma receiver |
| 06/12/1979 | CA1056497A1 Digital antenna control apparatus for a communications terminal |