Patents for H01Q 1 - Details of, or arrangements associated with, aerials (75,694) |
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04/02/1991 | US5005023 Dual band integrated LNB feedhorn system |
04/02/1991 | US5005021 Antenna unit for vehicle |
04/02/1991 | US5005020 Transparent glass antenna for an automobile |
04/02/1991 | US5005019 Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines |
04/02/1991 | US5003911 For a recreational vehicle |
03/31/1991 | CA2026368A1 Transmitters and receivers with antennas |
03/31/1991 | CA2026341A1 Transmitters and transmitter circuits |
03/28/1991 | DE4006342A1 Polar support for satellite dish - has liner actuator to move dish in rotary motion for accurate positioning |
03/28/1991 | DE3929732A1 Antenna for radar system - has transmitter receiver elements coupled to tuned stage |
03/26/1991 | US5003320 Manually rotatable antenna |
03/26/1991 | CA1281882C Lightweight tower assemblies for antennas and the like |
03/20/1991 | EP0418047A2 Glass window antenna for motor vehicle |
03/20/1991 | EP0409867A4 Balanced low profile hybrid antenna |
03/19/1991 | US5001778 Portable radio receiver |
03/19/1991 | US5001093 Transparent polycrystalline body with high ultraviolet transmittance |
03/19/1991 | US5000408 Support for an antenna of the azimuth-elevation type |
03/19/1991 | CA1281777C Detachable battery pack with a built-in broadband antenna |
03/14/1991 | DE3929875A1 Car radio aerial with integral washer nozzle - has antenna base containing aerial electronics and push in nozzle with pipe connector |
03/13/1991 | EP0416300A2 Dual polarized spiral antenna |
03/13/1991 | EP0211849B1 Pager system and communication protocol |
03/12/1991 | US4999642 Transmission line coupling device with closed impedance matching loop |
03/12/1991 | US4999640 Aerostat tether lighting apparatus |
03/12/1991 | US4999639 Radome having integral heating and impedance matching elements |
03/09/1991 | WO1991003846A1 Microstrip antenna system |
03/06/1991 | EP0415804A1 Dismountable and air-transportable antenna for satellite communications |
03/06/1991 | EP0415803A1 Receiving antenna for a motor vehicle |
03/06/1991 | EP0415703A1 Antenna system for portable radio apparatus |
03/06/1991 | CN2072733U Logarithmic period tv antenna |
03/06/1991 | CN2072732U Full-frequency channel non-metallic tv antenna |
03/06/1991 | CN2072730U New material for antenna |
03/06/1991 | CN2072729U Shared antenna users branching unit cover |
03/06/1991 | CN2072728U Tv telescopic antenna and socket |
03/05/1991 | US4998114 Portable parabolic antenna apparatus |
02/21/1991 | WO1991002386A1 Transmitting and receiving arrangement for portable appliances |
02/21/1991 | DE4025766A1 Electronically controllable vehicle antenna - uses plate separated by dielectric material with permeability controlled by dc voltage |
02/20/1991 | EP0413369A1 A portable pager |
02/20/1991 | EP0413139A2 Tubular antenna mounting-bracket |
02/20/1991 | EP0413014A1 Device for erecting and aligning a tilting telescopic mast mounted on a transport vehicle. |
02/19/1991 | US4994820 Plane antenna |
02/19/1991 | US4994816 Portable antenna apparatus |
02/19/1991 | US4994812 Antenna system |
02/19/1991 | US4993774 Vehicle |
02/13/1991 | EP0412574A2 Antenna for watch pager system |
02/12/1991 | US4992801 Glass antenna device for an automobile |
02/12/1991 | US4992800 Windshield mounted antenna assembly |
02/12/1991 | US4992799 Adaptable antenna |
02/07/1991 | WO1991001576A1 Apparatus for making and sealing an electrical contact between two wrist band antenna portions of a selective call receiver |
02/07/1991 | WO1991001575A1 Signal separating device |
02/07/1991 | DE3941913C1 Wrist or pocketwatch - has appts. for reception of normal time transmission |
02/06/1991 | EP0411963A2 Window antenna |
02/05/1991 | US4990929 Motor-driven automobile antenna with timer circuit |
02/05/1991 | US4990928 Portable antenna for mounting on inside of motor vehicle |
02/05/1991 | US4990926 Microwave antenna structure |
02/05/1991 | US4990836 Motorized automobile antenna control device |
01/30/1991 | EP0410705A2 Vehicle radio receiver systems |
01/30/1991 | EP0409867A1 Balanced low profile hybrid antenna. |
01/29/1991 | US4989014 Reception antenna system |
01/29/1991 | US4989013 Transmitting plural frequency signals |
01/29/1991 | US4989012 Antenna assembly |
01/29/1991 | US4988961 Device for achieving minimal reflections in antenna coupling |
01/29/1991 | CA1279716C Passive transponder |
01/25/1991 | WO1991001577A1 Multi-resonant laminar antenna |
01/24/1991 | WO1991001048A1 Means for filter effect by diversity antenna |
01/23/1991 | EP0408826A2 Extendable mast |
01/23/1991 | EP0408588A1 Inductive element and method of manufacture |
01/23/1991 | CN2070039U All channel planer tv aerial |
01/22/1991 | US4987425 Antenna support structure |
01/22/1991 | US4987424 Film antenna apparatus |
01/22/1991 | US4987422 Concealable vehicular radio communications antenna system |
01/17/1991 | DE4011155A1 Adjustable holder for aerial reflectors - has cross joint axes corresp. to those of azimuth, or elevation, and independent stop for both rotary motion |
01/17/1991 | DE3922558A1 Car radio aerial with telescopic rod - has integral protection tube and head portion, with lid on side away from head portion |
01/16/1991 | EP0408430A1 Antenna with a hemispheric radiation pattern and heatproof radiating elements |
01/16/1991 | EP0408194A2 On-glass antenna with counterpoise |
01/16/1991 | EP0408086A2 Watch pager system |
01/15/1991 | US4985800 Lighting protection apparatus for RF equipment and the like |
01/15/1991 | US4985709 Magnetostatic wave device |
01/10/1991 | WO1991000626A1 Rear view mirrors including radio aerials |
01/09/1991 | EP0407145A1 Broad band mobile telephone antenna |
01/08/1991 | US4983985 Telephone |
01/08/1991 | US4983892 Mechanism for controlling electrically driven antenna |
01/08/1991 | US4983555 Application of transparent polycrystalline body with high ultraviolet transmittance |
01/08/1991 | US4983237 Antenna lamination technique |
01/01/1991 | US4981288 For supporting a cabinet |
12/27/1990 | WO1990016091A1 Fm antenna |
12/27/1990 | WO1990016033A1 Hand-held data capture system with interchangeable modules |
12/27/1990 | EP0403585A1 Surveying instrument with receiver for a satellite position measurement system and process for operating it. |
12/27/1990 | EP0403579A1 Antenna with impedance matching member |
12/25/1990 | US4980925 Monopulse first detector array |
12/25/1990 | US4980697 Paraboloidal aerial mounting |
12/25/1990 | US4980696 Radome for enclosing a microwave antenna |
12/25/1990 | US4980695 Side antenna |
12/25/1990 | US4980694 Portable communication apparatus with folded-slot edge-congruent antenna |
12/18/1990 | US4978966 Carborne antenna |
12/18/1990 | US4978964 Light reflecting antenna ball |
12/12/1990 | EP0402005A2 Flush mount antenna |
12/12/1990 | EP0246226A4 Pointing compensation system for spacecraft instruments |
12/12/1990 | CN2067470U Protective device for tv set |
12/11/1990 | US4977614 Wristband with loop antenna |
12/11/1990 | US4977408 Deployable antenna bay |
12/08/1990 | CA2020357A1 Hand-held data capture system with interchangeable modules |