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