| 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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| 08/19/1986 | US4607278 Digital circuit for suppressing changes in a digital signal |
| 08/19/1986 | CA1210100A1 Protection device for variable high power inductance for use at high frequency |
| 08/19/1986 | CA1210073A1 Space diversity system |
| 08/19/1986 | CA1210071A1 Temperature compensated automatic output control circuitry for rf signal power amplifiers with wide dynamic range |
| 08/14/1986 | WO1986004754A1 Data muting method and apparatus for audio/digital communications systems |
| 08/12/1986 | US4606076 Communication receiver system having a voltage converter with an operating frequency below the receiver IF |
| 08/12/1986 | US4606059 Variable frequency divider |
| 08/12/1986 | US4606047 High frequency communications |
| 08/12/1986 | US4606041 Frequency hopping data communication system |
| 08/12/1986 | US4606040 Transmitting-receiving station for a system for transmitting data by frequency hopping |
| 08/12/1986 | US4606039 Spread spectrum coding method and apparatus |
| 08/12/1986 | US4605335 Quick-release connector with teardrop-shaped configuration |
| 08/12/1986 | CA1209644A1 Microwave receiver front end design |
| 08/06/1986 | EP0189822A2 Digital mobile radio system |
| 08/06/1986 | CN85107775A Antenna input circuit for receiver |
| 08/05/1986 | CA1209231A1 Radar transmitter |
| 08/05/1986 | CA1209212A1 Selective call paging and priority signalling system |
| 07/30/1986 | EP0188526A1 Self-calibrating signal strength detector |
| 07/30/1986 | EP0188504A1 Adaptive antenna array. |
| 07/30/1986 | CN86101271A 无线电话系统 Wireless telephone system |
| 07/29/1986 | CA1208715A1 Adaptive hybrid |
| 07/29/1986 | CA1208701A1 Fm-receiver including a frequency-locked loop |
| 07/23/1986 | EP0188334A2 Methods and apparatus for transferring data for digitally controlling video equipment |
| 07/23/1986 | EP0188176A2 System for retaining a radio set inside a dashboard or the like |
| 07/23/1986 | EP0049271B1 Predictive signals coding with partitioned quantization |
| 07/23/1986 | CN85109405A Phase-locked loop particularly for use in a directly mixing synchronous am-receiver |
| 07/22/1986 | US4602381 Adaptive expanders for FM stereophonic broadcasting system utilizing companding of difference signal |
| 07/22/1986 | US4602380 Compatible transmission techniques for FM stereophonic radio and television |
| 07/22/1986 | US4602379 Dual indicator circuit for tuning and stereo signals |
| 07/22/1986 | US4602338 Impedance measurement in 4-wire to 2-wire converters |
| 07/22/1986 | US4602222 Circuit for bandswitching a voltage controlled oscillator |
| 07/22/1986 | US4602169 Signal comparing circuit |
| 07/22/1986 | CA1208296A1 Dual-antenna transceiver |
| 07/22/1986 | CA1208295A1 Arrangement for providing signalling tones and volume control signals |
| 07/17/1986 | WO1986004201A1 Broadcast stereo companding system and apparatus |
| 07/16/1986 | EP0187560A1 Matching device for a HF antenna |
| 07/15/1986 | US4601063 Tuner for receiving |
| 07/15/1986 | US4601062 Tracking image frequency trap |
| 07/15/1986 | US4601060 Automatic digital fine tuning system |
| 07/15/1986 | US4601047 Code division multiplexer using direct sequence spread spectrum signal processing |
| 07/15/1986 | US4601043 Digital communications software control system |
| 07/15/1986 | US4600902 For improving transmission of an analog signal |
| 07/15/1986 | CA1207906A1 Speech-adaptive predictive coding system having reflected binary encoder/decoder |
| 07/09/1986 | EP0186884A2 Spread spectrum communication system |
| 07/09/1986 | EP0186792A1 Interface module |
| 07/09/1986 | EP0186671A1 Adaptive speech detector system |
| 07/08/1986 | US4599733 Multilevel noise code mate pair generation and utilization of such codes |
| 07/08/1986 | CA1207393A1 Battery saver for a paging receiver or the like |
| 07/08/1986 | CA1207389A1 Packetized ensemble modem |
| 07/08/1986 | CA1207241A1 System for maximum efficient transfer of modulated energy |
| 07/03/1986 | WO1986003926A1 Method of communications between register-modelled radio devices |
| 07/03/1986 | WO1986003913A1 Internally register-modelled, serially-bussed radio system |
| 07/03/1986 | WO1986003873A1 Method and apparatus for encoding speech |
| 07/02/1986 | EP0186593A2 Tuner for television receiver |
| 07/02/1986 | EP0186205A2 Frequency and volume display for a receiver |
| 07/02/1986 | EP0186151A2 Extrema coding digitizing signal processing method and apparatus |
| 07/02/1986 | EP0185912A1 Remote control device for radioreceivers and similar devices |
| 07/02/1986 | CA1207095A Wireless telephone extension unit with self enclosed dipole antenna |
| 07/02/1986 | CA1207084A Transform modulation system |
| 07/02/1986 | CA1207031A Digital transmitter |
| 07/01/1986 | US4598426 Variable intermediate bandwidth AM receiver |
| 07/01/1986 | US4598423 Tuning circuit for a multiband tuner |
| 07/01/1986 | US4598399 Multichannel multisite signal protection channel switching apparatus |
| 07/01/1986 | US4598287 Remote control apparatus |
| 07/01/1986 | US4598258 Circuit arrangement comprising a voltage-controlled oscillator operable with different sensitivities |
| 07/01/1986 | US4598172 Telecommunication terminal |
| 06/25/1986 | EP0185417A2 Active polyphase filters |
| 06/25/1986 | EP0185416A2 Radio receiver/transmitter filters |
| 06/25/1986 | EP0185414A2 FM stereo receiver |
| 06/25/1986 | EP0185203A2 Digital minimum shift keyed modulator |
| 06/25/1986 | EP0185143A1 Remote control device for several audio and video apparatuses |
| 06/24/1986 | US4597087 Frequency hopping data communication system |
| 06/24/1986 | US4597079 Redundant switchover system for TDMA satellite communication equipment |
| 06/24/1986 | US4596969 Interdigital duplexer with notch resonators |
| 06/24/1986 | CA1206647A1 Telecommunication terminal |
| 06/24/1986 | CA1206602A1 Television receiver standby circuit |
| 06/19/1986 | WO1986003641A1 Data transmission system including adaptive hybrid control |
| 06/19/1986 | WO1986003636A1 Receiver having a self biasing direct coupled data limiter |
| 06/18/1986 | EP0184923A2 Single-sideband communication system |
| 06/18/1986 | EP0184873A1 Phase-locked loop, particularly for use in a directly mixing synchronous AM receiver |
| 06/17/1986 | US4596044 UHF-VHF combination tuner |
| 06/17/1986 | US4595803 Bidirectional amplifier |
| 06/17/1986 | US4595802 Hybrid circuit |
| 06/17/1986 | CA1206280A1 Multirate digital transmission method and device for implementing said method |
| 06/17/1986 | CA1206205A1 Battery saver circuit for use with paging receiver |
| 06/11/1986 | EP0184109A1 Method and arrangement for signalling over a digital transmission link |
| 06/11/1986 | EP0184108A1 Method and arrangement for signalling over a digital transmission link by substituting messages by transmitted data |
| 06/11/1986 | EP0184107A1 Method for signalling over a digital transmission link and arrangement for carrying out the method |
| 06/11/1986 | EP0183911A2 Radio receiver, radio receiver combined with a cassette recorder, or a cassette recorder |
| 06/10/1986 | US4594709 Data transmission device for loop transmission system |
| 06/10/1986 | US4594555 Frequency selective sampling detector |
| 06/10/1986 | CN85109724A Frequency and volume display for a receiver |
| 06/10/1986 | CN85108880A Channel switching system |
| 06/10/1986 | CN85108247A Members for joint |
| 06/10/1986 | CA1205866A1 Circuit for controlling a receiver in an implanted device |
| 06/04/1986 | EP0183392A2 Geographic blackout method for direct broadcast satellite system |
| 06/04/1986 | EP0183334A2 Circuit arrangement comprising a voltage-controlled oscillator operable with different sensitivities |
| 06/04/1986 | EP0182915A1 Apparatus for transmitting digital signals |
| 06/03/1986 | US4593414 Programable channel selecting system |
| 06/03/1986 | US4593412 Integrated oscillator antenna for low power, low harmonic radiation |