Patents for H01Q 23 - Aerials with active circuits or circuit elements integrated within them or attached to them (3,771) |
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08/02/1995 | EP0665607A1 Active transmit phased array antenna with amplitude taper |
08/01/1995 | US5438697 Microstrip circuit assembly and components therefor |
07/27/1995 | DE4401426A1 Short length dipole aerial with base in form of enclosed housing |
07/18/1995 | US5434579 Inverted F antenna with non-contact feeding |
07/12/1995 | CN2203502Y Double-waveband double-polarized satellite receiving antenna frequency step down device |
07/05/1995 | CN2202977Y Active antenna rotation device |
07/04/1995 | US5430451 Array antenna mounted on spacecrafts |
06/27/1995 | US5428830 Concealed antenna system with remote variable gain RF amplifier |
06/21/1995 | EP0482131B1 Signal separating device |
06/13/1995 | CA2121229C Antenna apparatus |
06/08/1995 | WO1995015591A1 Planar antenna |
06/08/1995 | DE4340824A1 Planar radiator for direct reception of television and satellite signals |
05/30/1995 | US5420599 Antenna apparatus |
05/24/1995 | CN2198672Y High gain rotary TV aerial on balcony |
05/18/1995 | DE4336191A1 Socket structure for mounting active rod antenna on motor vehicle |
05/09/1995 | US5414427 Device for information transmission |
05/03/1995 | EP0651459A1 Microwave strip antenna with integrated detector |
05/03/1995 | CA2128763A1 Microwave patch antenna with embedded detector |
04/26/1995 | EP0650216A1 Antenna circuit |
04/26/1995 | EP0650213A1 Array antenna and production process therefor |
04/25/1995 | US5410749 Radio communication device having a microstrip antenna with integral receiver systems |
04/19/1995 | CN2195139Y Active multidirectional all-channel TV receiving antenna |
04/12/1995 | EP0647976A2 Plane array antenna for receiving satellite broadcasting |
04/04/1995 | US5404581 Microwave . millimeter wave transmitting and receiving module |
04/04/1995 | US5404148 Phased array antenna module |
03/21/1995 | US5400042 Dual frequency, dual polarized, multi-layered microstrip slot and dipole array antenna |
03/21/1995 | US5400039 Integrated multilayered microwave circuit |
03/14/1995 | US5398036 Shortened mast antenna with compensating circuits |
02/28/1995 | US5394159 Microstrip patch antenna with embedded detector |
02/21/1995 | US5392152 Quasi-optic amplifier with slot and patch antennas |
02/15/1995 | CN2189785Y Omnibearing receiving antenna of television |
02/01/1995 | EP0637093A1 Antenna |
01/12/1995 | DE4323014A1 Active receiving antenna having an active signal path and a passive signal path |
01/03/1995 | US5379452 Active frequency separating circuit |
12/07/1994 | CN2184986Y TV antenna amplifying and turning common line device |
11/22/1994 | US5367313 Array antenna for receiving radio communication |
11/17/1994 | EP0624957A1 Antenna input receiving circuit |
11/17/1994 | DE4315847A1 Connection between a transmitter and/or receiver and an antenna |
11/16/1994 | CN1095194A Active transmit phased array antenna |
11/15/1994 | US5365243 Planar waveguide for integrated transmitter and receiver circuits |
11/09/1994 | EP0623967A1 Antenna apparatus |
11/09/1994 | EP0623219A1 Device for wireless transfer of information |
11/09/1994 | CN1026537C Amplifying and steering party-line device of television antenna |
11/01/1994 | US5361405 Aircraft band radio receiver which does not radiate interfering signals |
10/26/1994 | EP0621654A2 An active antenna array |
10/26/1994 | CN2181094Y U/V mixing type active multi-direction all-channel television antenna |
10/20/1994 | CA2121153A1 Active antenna array |
10/19/1994 | EP0346394B1 A transmit-receive means for phased-array active antenna system |
10/18/1994 | US5357223 Connection device between an antenna and a microelectronic enclosure |
10/13/1994 | WO1994023470A1 Low noise amplifier |
10/06/1994 | DE4310532A1 Push-pull amplifier for an active dipole antenna |
10/06/1994 | DE4310256A1 Reception arrangement for reception with antenna diversity |
09/20/1994 | US5349357 Circuit arrangement for obtaining a constant field strength of an HF signal radiated by a transmitting device with exchangeable antenna |
08/31/1994 | EP0613205A1 Window glass with a built- in radio circuit and vehicle with such a window glass |
08/30/1994 | US5343173 Phase shifting network and antenna and method |
08/23/1994 | CA2116052A1 Glass pane with built-in radio circuit, particularly windshields |
08/23/1994 | CA2035599C Antenna system with adjustable beam width and beam orientation |
08/18/1994 | DE4303110A1 Broadcast receiving system |
08/16/1994 | US5339083 Transmit-receive module |
08/10/1994 | CN2173995Y Three-dimensional V/U compatible combined element rotating antenna |
08/04/1994 | DE4303072A1 Vehicle antenna with LF active transmission paths |
07/27/1994 | EP0608180A1 Method for fabrication of a window antenna and window antenna |
06/15/1994 | CN2169212Y TV picture enlarger with remote control direction turning |
06/08/1994 | EP0600715A2 Active transmit phased array antenna |
05/11/1994 | DE4237824A1 Power supply circuit for antenna amplifier esp. in motor vehicle - provides for direct current feed through RF-by=passed diode as alternative to separate connection from battery |
05/11/1994 | DE4237739A1 Transmission circuit for DC voltage from HF receiver to aerial amplifier - has coupling circuit for DC voltage feeding into aerial cable end, facing HF receiver |
05/10/1994 | US5311198 Active antenna |
05/03/1994 | US5309163 Active patch antenna transmitter |
04/27/1994 | EP0593822A1 Base station antenna arrangement |
04/27/1994 | CN2163448Y Full frequency channel TV receiving active small antenna |
04/26/1994 | US5307079 Short pulse microwave source with a high PRF and low power drain |
04/20/1994 | CN2162714Y High gain, whole frequency channel change direction parabolic antenna |
04/12/1994 | US5302960 Multi-element susceptibility room |
03/22/1994 | US5296866 Active antenna |
03/08/1994 | US5293173 Signal separating device |
03/08/1994 | CA1327643C Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna |
02/22/1994 | US5289197 Pane antenna having an amplifier |
02/01/1994 | US5283587 Active transmit phased array antenna |
01/05/1994 | DE4220131A1 Active reception antenna using conductor loop - has interruption points in conductor loop and associated complex impedance providing reception min. in defined spatial direction |
01/05/1994 | CN2152310Y Full channel television receiving antenna |
12/21/1993 | US5272485 Microstrip antenna with integral low-noise amplifier for use in global positioning system (GPS) receivers |
12/08/1993 | EP0572701A1 Receiver device |
12/03/1993 | CA2070204A1 Receiver device |
11/16/1993 | US5262783 Motion detector unit |
10/26/1993 | US5257033 Transmitter with a reduction of power of signals transmitted at harmonics |
10/20/1993 | CN2144349Y All-frequency channel double-loop deformed aerial |
09/28/1993 | US5248977 One-dimensional electronic image scanner |
09/28/1993 | US5248975 Ground probing radar with multiple antenna capability |
09/23/1993 | DE4307009A1 Multi-beam antenna device for radar system of e.g. automobile - has offset antenna supported by common holder with radar modules each having integral prim. radiator |
09/16/1993 | DE4306056A1 Microstrip antenna having circular dielectric substrate - has emitter electrode with central clear volume in which circuit on board is moulded with external connections. |
09/15/1993 | EP0559954A1 Active frequency band splitter |
08/25/1993 | CN2141128Y Amplifying aerial for ultra-low noise television receiver |
08/24/1993 | US5239688 Multi-range, multi-use antenna adapter |
08/24/1993 | US5239669 Coupler for eliminating a hardwire connection between a handheld global positioning system (GPS) receiver and a stationary remote antenna |
08/19/1993 | WO1993016501A1 Navigational equipment |
08/17/1993 | US5237334 Focal plane antenna array for millimeter waves |
08/05/1993 | WO1993015418A1 Device for wireless transfer of information |
08/05/1993 | WO1993015417A1 Device for information transfer |
08/04/1993 | EP0553094A1 Device for information transmission. |
07/21/1993 | EP0551556A1 Low loss, broadband stripline-to-microstrip transition |