| Patents for H01Q 23 - Aerials with active circuits or circuit elements integrated within them or attached to them (3,771) |
|---|
| 07/25/1990 | CN2059769U Amplification antenna used in both in- or out-door |
| 07/18/1990 | CN2059533U All-channel outdoor tv antenna with function of plane amplification |
| 07/18/1990 | CN1008859B Directional active antenna of full frequency channels |
| 07/18/1990 | CN1008858B Portable antenna device for satellite communucation |
| 06/19/1990 | US4935745 Card-type radio receiver having slot antenna integrated with housing thereof |
| 05/08/1990 | US4924237 Antenna and its electronic circuit combination |
| 04/17/1990 | US4918749 Receiving configuration for microwave signals |
| 02/22/1990 | WO1990001814A1 Active antenna |
| 01/23/1990 | US4896163 Microwave receiving device |
| 01/09/1990 | US4893126 Integrated millimeter-wave transceiver |
| 12/27/1989 | EP0348370A2 Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna |
| 12/13/1989 | EP0346125A2 Microwave integrated apparatus for satellite broadcasting receiver |
| 12/06/1989 | EP0344885A2 Beam powered antenna |
| 10/19/1989 | DE3837184A1 Receiving circuit for the amplifiers of the signals captured by the antennas for car radios |
| 09/06/1989 | EP0331486A2 Aerials |
| 08/16/1989 | CN2043008U Indoor tv receiving antenna |
| 08/01/1989 | US4853705 Beam powered antenna |
| 08/01/1989 | US4853703 Microstrip antenna with stripline and amplifier |
| 05/30/1989 | US4835541 Near-isotropic low-profile microstrip radiator especially suited for use as a mobile vehicle antenna |
| 04/18/1989 | US4823136 Transmit-receive means for phased-array active antenna system using rf redundancy |
| 04/12/1989 | CN1032410A Directional active antenna of full frequency channels |
| 03/29/1989 | EP0309039A2 Integrated millimetre-wave transceiver |
| 03/01/1989 | CN1031450A Tv receiving antenna with automatically oriented amplification |
| 01/18/1989 | CN1030500A Portable antenna device for satellite communucation |
| 12/28/1988 | EP0296838A2 Monolithic microwave transmitter/receiver |
| 12/13/1988 | US4791426 Active antenna in the rear window of a motor vehicle |
| 08/25/1988 | WO1988006351A1 A transmit-receive means for phased-array active antenna system |
| 08/17/1988 | EP0278069A1 Near-isotropic low profile microstrip radiator especially suited for use as a mobile vehicle antenna |
| 06/22/1988 | EP0272145A2 Card-type radio receiver having slot antenna integrated with housing thereof |
| 04/21/1988 | DE3635603A1 Active antenna having an extremely linear amplifier |
| 04/21/1988 | DE3635602A1 Active antenna for two frequency bands having an extremely linear amplifier |
| 03/16/1988 | CN86210852U 电视讯号接收器 TV signal receiver |
| 03/02/1988 | EP0257544A2 Receiving device for microwave signals |
| 01/06/1988 | CN87207103U Combination device of outside antenna |
| 07/08/1987 | CN86201200U 有源天线 Active Antenna |
| 02/25/1987 | CN86203054U Coupling network of active receiving antenna for all channel television |
| 08/13/1986 | EP0190412A2 Method for fabricating a planar phase-shifter |
| 07/22/1986 | US4602260 Windshield antenna |
| 02/18/1986 | US4571593 Horn antenna and mixer construction for microwave radar detectors |
| 09/25/1985 | EP0155647A2 Antenna arrangement in the rear window of a car |
| 11/07/1984 | EP0124055A2 Active windscreen antenna for all kinds of polarization |
| 10/09/1984 | CA1175936A1 Active transmitting antenna |
| 08/28/1984 | CA1173559A1 Active aerial for radios and aerial arrays |
| 07/04/1984 | EP0042853B1 Tunable receiver front end |
| 04/10/1984 | US4442434 Antenna circuit of the negative impedance type |
| 11/08/1983 | US4414690 Active aerial |
| 08/23/1983 | CA1152660A1 Electronic tuning antenna system |
| 08/16/1983 | US4399442 Active transmitting antenna employing an electron beam bombarded semiconductor |
| 08/16/1983 | CA1152209A2 Small broadband antennas using lossy matching networks |
| 07/26/1983 | US4395714 Antenna array system usable for AM/FM receiver |
| 05/10/1983 | US4383260 Low profile electric field sensor |
| 04/26/1983 | US4381566 Electronic tuning antenna system |
| 04/12/1983 | US4380011 Loop antenna arrangement for inclusion in a television receiver |
| 07/07/1982 | EP0055324A2 Monolithic microwave integrated circuit with integral array antenna |
| 05/04/1982 | US4328498 Phased array antenna for satellite |
| 01/12/1982 | US4310843 Electron beam controlled array antenna |
| 07/09/1981 | WO1981001916A1 Input coupling device for a receiver |
| 01/27/1981 | US4247954 Active window antenna for motor vehicles |
| 01/07/1981 | EP0021762A1 Electronic tuning antenna system |
| 03/18/1980 | US4194179 Active antenna for medical telemetry monitoring systems |
| 01/22/1980 | CA1070420A1 Modified logarithmic type of aerial array |
| 10/16/1979 | CA1064608A1 Direct fed spiral antenna |
| 07/31/1979 | US4163195 Vehicle antenna and window amplifier |
| 01/10/1979 | EP0000204A1 Adapted television antenna and associated amplifier for vehicles |
| 09/26/1978 | US4117491 Logarithmically periodic loop antenna array with spaced filters in the coupling network |
| 03/14/1978 | US4079268 Thin conformal antenna array for microwave power conversion |
| 02/15/1977 | US4008477 Antenna with inherent filtering action |
| 01/18/1977 | US4004228 Portable transmitter |
| 01/04/1977 | US4001696 Electronic antenna |
| 04/27/1976 | US3953799 Broadband VLF loop antenna system |
| 04/06/1976 | US3949407 Direct fed spiral antenna |