| 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) |
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| 06/03/1986 | US4593410 Single-sideband transmitter and method for operating this transmitter |
| 06/03/1986 | US4593409 Transceiver protection arrangement |
| 06/03/1986 | US4593392 Error correction circuit for digital audio signal |
| 06/03/1986 | US4593257 In a tuning system for a television receiver |
| 06/03/1986 | CA1205553A2 Frequency determining apparatus for a synthesized radio |
| 05/28/1986 | EP0182762A1 Method of reducing the effect of narrowband jammers in radio communication between two stations |
| 05/28/1986 | EP0182049A2 Am/fm receiver with automatic tuning system |
| 05/28/1986 | EP0181936A1 Single sideband communications system and method |
| 05/27/1986 | US4592095 Microwave FET mixer arranged to receive RF input at gate electrode |
| 05/27/1986 | US4592093 Super high frequency receiver |
| 05/27/1986 | US4592078 Up/down counter control circuit |
| 05/27/1986 | US4592009 MSK surface acoustic wave convolver |
| 05/27/1986 | US4591859 Radar transmitter |
| 05/27/1986 | US4591805 Adaptive bandwidth amplifier |
| 05/27/1986 | US4591661 Portable cordless telephone transceiver-radio receiver |
| 05/27/1986 | CA1205204A1 Device having computer controlled personality with cloning ability |
| 05/22/1986 | WO1986003080A1 Adapter for car radio |
| 05/21/1986 | EP0181537A2 Arrangement for an electronic entertainment apparatus with an adjustable control circuit operable from a plurality of different positions |
| 05/21/1986 | EP0181469A1 Device for the optimum matching of a hybrid circuit to a communication line |
| 05/21/1986 | EP0181458A2 Suppressed-fundamental frequency three-way predistorter |
| 05/20/1986 | US4590618 Receiver having reference voltage stabilization circuitry |
| 05/20/1986 | US4590616 Re-tuning device comprising a switching mixer stage and a tuning oscillator |
| 05/20/1986 | US4590615 Multipath distortion reducing circuit |
| 05/20/1986 | US4590612 Electronic tuner having selectable band sections appropriately biased to mixer/amplifier |
| 05/20/1986 | US4590531 System for compensating signal interference in a PCM audio transmission |
| 05/20/1986 | US4590473 Data signalling system |
| 05/20/1986 | US4590334 Supply circuit included in a DC-magnetized hybrid transformer |
| 05/20/1986 | CA1204823A1 Signal transmission system |
| 05/14/1986 | EP0180943A2 Channel switching system |
| 05/13/1986 | US4589130 Multirate digital transmission method and device for implementing said method |
| 05/13/1986 | US4589110 Signal processor (system) for reducing bandwidth and for multiplexing a plurality of signals onto a single communications link |
| 05/13/1986 | US4589055 Rotor shaft support mechanism in oscillator |
| 05/10/1986 | CN85107828A Precompensator with three terminal and a fondamental depressor |
| 05/07/1986 | EP0180469A2 Code converting system and method for band compression of digital signals |
| 05/07/1986 | EP0180339A2 A multi-mode radio transceiver |
| 05/07/1986 | EP0180238A2 Digital radio communication system |
| 05/07/1986 | EP0180202A2 Method of and device for correcting burst errors on low bit-rate coded speech signals transmitted on radio-communication channels |
| 05/07/1986 | EP0180155A2 Radio-controlled watch |
| 05/06/1986 | US4587662 TDMA spread-spectrum receiver with coherent detection |
| 05/06/1986 | US4587661 Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission |
| 05/06/1986 | US4586827 Information system |
| 05/06/1986 | CA1204175A1 Variable frequency u.h.f. local oscillator for a television receiver |
| 04/30/1986 | EP0179620A2 Automatic fine tuning system |
| 04/30/1986 | EP0179394A2 Radio transmitter identification method, and radio receiver therefor |
| 04/30/1986 | EP0179261A2 Car radio |
| 04/30/1986 | EP0179056A1 Extended threshold analog to digital conversion apparatus for an rf receiver. |
| 04/29/1986 | US4586174 Audio channel stacking with speech compression for narrow band transmission with provision for dialed calls |
| 04/29/1986 | US4585965 Radio electric wave generator for ultra-high frequencies |
| 04/29/1986 | CA1203908A1 Electronic identification system |
| 04/29/1986 | CA1203849A1 Interference cancellation type space diversity system |
| 04/23/1986 | EP0178936A2 Variable emphasis circuit |
| 04/23/1986 | EP0178923A2 Television receivers |
| 04/23/1986 | EP0178844A1 Television receivers |
| 04/23/1986 | EP0178804A2 Remote meter reading |
| 04/23/1986 | EP0178608A2 Subband encoding method and apparatus |
| 04/23/1986 | CN85201898U Telecontrol transmitter |
| 04/22/1986 | USRE32124 Predictive signal coding with partitioned quantization |
| 04/22/1986 | US4584718 Waterproof enclosure for portable radio or tape player |
| 04/22/1986 | US4584715 Image rejection mixer circuit arrangement |
| 04/22/1986 | US4584709 Homotropic antenna system for portable radio |
| 04/22/1986 | US4584583 LMS adaptive loop module |
| 04/22/1986 | US4584580 Apparatus for rejecting jamming waves |
| 04/22/1986 | US4584534 Method and apparatus for demodulating a carrier wave which is phase modulated by a subcarrier wave which is phase shift modulated by baseband signals |
| 04/22/1986 | CA1203578A1 Mixer for use in a microwave system |
| 04/16/1986 | EP0178146A2 Improvements relating to radio receivers |
| 04/16/1986 | EP0178109A2 High-reliability optical transmission systems |
| 04/16/1986 | EP0178010A1 Car radio with circuit board irremovably fixed inside the facia |
| 04/16/1986 | EP0177963A2 Decoder for spectrum diffusion signals |
| 04/15/1986 | US4583231 Method of, and apparatus for, frequency-hopped frequency-shift-keyed digital data communications |
| 04/15/1986 | US4583206 Device for the sequential transmission of signals by radio or by cable, between a central control system and data acquisition apparatuses |
| 04/15/1986 | US4583097 Electrical signal separating device |
| 04/15/1986 | US4583074 Expansion circuit for digital signals |
| 04/15/1986 | CA1203290A1 Signal comparing circuit |
| 04/10/1986 | CN85107851A 遥控装置 Remote control device |
| 04/09/1986 | EP0177362A2 Portable radio communication apparatus comprising an antenna member for a broad-band signal |
| 04/09/1986 | EP0177204A1 Switches for radiopagers |
| 04/09/1986 | EP0176965A2 Remote control apparatus |
| 04/08/1986 | US4581768 VHF tuner |
| 04/08/1986 | US4581766 Trigonometric transform function generator |
| 04/08/1986 | US4581645 Distributed switched component audio/video system |
| 04/08/1986 | US4581644 Video bus |
| 04/08/1986 | US4581643 Double conversion television tuner with frequency response control provisions |
| 04/08/1986 | US4581541 Switch device equipped with muting function |
| 04/08/1986 | CA1203024A2 Cosine signal correction circuit |
| 04/08/1986 | CA1203018A1 Remote control system |
| 04/08/1986 | CA1203010A1 Portable radio device for protecting a radio circuit from static electricity |
| 04/08/1986 | CA1203009A1 Fm/tv automatic gain control system |
| 04/02/1986 | EP0176440A1 Protection device for a transmitter output |
| 04/02/1986 | EP0176303A2 Automatic frequency and gain control circuit |
| 04/02/1986 | EP0176243A2 Frequency domain speech coding |
| 04/01/1986 | US4580290 Amplifier for use with local oscillators |
| 04/01/1986 | US4580288 Receiver input circuit |
| 04/01/1986 | US4580287 Radio receiver with logarithmic signal strength detector |
| 04/01/1986 | US4580092 Pocket size antenna match indicator for VSWR measurement |
| 04/01/1986 | CA1202680A1 Rf wattmeter |
| 03/26/1986 | EP0175255A2 Transmission method in staff location systems |
| 03/26/1986 | EP0175058A2 Method and circuit for generating a D.C. control voltage |
| 03/26/1986 | EP0174989A1 Data and voice communications system |
| 03/25/1986 | US4578820 Received signal strength indicator |
| 03/25/1986 | US4578818 System for processing audio frequency information for frequency modulation |