Patents
Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053)
03/1987
03/17/1987US4651159 Microstrip antenna
03/10/1987US4649396 Double-tuned blade monopole
03/05/1987DE3529914A1 Microwave aerial
03/04/1987EP0124559B1 Broadband directional antenna
03/03/1987US4647941 Telescopic antenna extended by coaxial cable feed
02/1987
02/24/1987US4646101 Antenna support
02/17/1987US4644366 Miniature radio transceiver antenna
02/17/1987US4644364 Method of and means for coupling a two conductor transmission line to an antenna
02/17/1987US4644361 Combination microstrip and unipole antenna
02/12/1987WO1987000974A1 Mobile antenna feed system
02/12/1987DE3527651A1 Additional device for an antenna in the form of an individual aerial
02/10/1987US4642650 Portable HF antenna
02/03/1987US4641366 Portable radio communication apparatus comprising an antenna member for a broad-band signal
02/03/1987US4641317 Spread spectrum radio transmission system
02/03/1987US4641145 Microwave antenna having an array of radiating elements for circularly polarized signals
01/1987
01/22/1987DE3526058A1 Room-antenna housing
01/21/1987EP0209156A2 Planar antenna with patch radiators
01/15/1987WO1987000351A1 Axial multipole mobile antenna
01/14/1987CN86201860U Plane spiral receiving antenna of tv set
01/14/1987CN85204947U Quasi-choke device
01/13/1987US4636802 Electrical connector for spiral antenna and resistive/capacitive contact therefor
01/06/1987US4635070 Dual mode antenna having simultaneous operating modes
01/06/1987US4635069 Mutual-coupling multi-element FM antenna
01/06/1987US4635068 Double-tuned disc loaded monopole
01/02/1987DE3247425A1 Printed dipol antenna using stripline technology
12/1986
12/30/1986US4633265 Low frequency/high frequency omnidirectional antenna formed of plural dipoles extending from a common center
12/30/1986US4633263 Corona mode ELF antenna system
12/30/1986EP0207029A2 Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines
12/17/1986EP0205227A1 Aerials
12/17/1986EP0204886A2 Antenna for a radio transmitting and receiving apparatus
12/17/1986EP0204804A1 Omnidirectional antenna array.
12/16/1986US4630064 Spiral antenna with selectable impedance
12/16/1986US4630062 Horn antenna with wide flare angle
12/16/1986US4630061 Antenna with unbalanced feed
12/16/1986CA1215463A1 Antenna construction
12/09/1986US4628322 Low profile antenna on non-conductive substrate
11/1986
11/25/1986CA1214546A1 Non-resonant monopole antenna
11/25/1986CA1214545A1 Broadband diamond-shaped antenna
11/18/1986US4623895 Flexible broadband UHF antenna
11/18/1986US4623894 Interleaved waveguide and dipole dual band array antenna
11/12/1986EP0200819A2 Antenna array
11/11/1986US4622558 Toroidal antenna
11/04/1986CA1213668A1 Two element low profile antenna
10/1986
10/28/1986US4620194 Tunable antenna with variable series L-C network
10/23/1986WO1986006216A1 Multiband antenna
10/22/1986EP0198578A1 Dual polarised sinuous antennas
09/1986
09/30/1986CA1212174A1 Furniture antenna system
09/24/1986EP0195356A2 L-band antenna for mobile satellite broadcasting
09/23/1986US4613868 Method and apparatus for matched impedance feeding of microstrip-type radio frequency antenna structure
09/09/1986US4611214 Tactical high frequency array antennas
09/09/1986CA1211210A1 Coaxial dipole antenna with extended effective aperture
09/09/1986CA1211209A1 Antenna structure
09/09/1986CA1211208A1 Electromagnetic wave radiator and use thereof in an electronic sweep antenna
09/03/1986EP0193426A1 Miniature antenna providing gain
09/02/1986US4609888 Direction finding antenna interface
08/1986
08/27/1986CN85204031U Double image-proof antenna for tv set
08/26/1986US4608572 Broad-band antenna structure having frequency-independent, low-loss ground plane
08/12/1986US4605934 Broad band spiral antenna with tapered arm width modulation
08/12/1986US4605933 Extended bandwidth microstrip antenna
08/12/1986US4605932 Nested microstrip arrays
08/06/1986EP0189630A1 Low Frequency/high frequency omnidirectional antenna.
07/1986
07/23/1986EP0188087A1 Microstrip patch antenna system
07/22/1986CA1208353A1 Collapsible motor operated antenna
07/15/1986US4600926 Television antenna
07/09/1986EP0186693A1 Telescopic antenna.
07/02/1986EP0186455A2 A dipole array
07/01/1986US4598296 Dipole antenna system with overhead coverage having equidirectional-linear polarization
06/1986
06/19/1986WO1986003624A1 Omnidirectional antenna array
06/17/1986CA1206256A1 Compact, adjustable antenna
06/11/1986EP0184235A1 Vor antenna design
06/10/1986CA1205903A1 Emitting-receiving antennas
06/03/1986US4593289 Multi-band dipole antenna with matching stubs
06/03/1986CA1205555A1 Flexible broadband uhf antenna
05/1986
05/27/1986US4591863 Low profile antenna suitable for use with two-way portable transceivers
05/20/1986US4590614 Dipole antenna for portable radio
05/06/1986US4587525 180 degree dipole phase shifter
05/06/1986US4587524 Reduced height monopole/slot antenna with offset stripline and capacitively loaded slot
04/1986
04/22/1986US4584587 Tuneable antenna with inductive coupling at input
04/22/1986US4584586 Multi-turn loop reception antenna
04/22/1986US4584585 For use with hand held, portable electronic apparatus
04/09/1986EP0177362A2 Portable radio communication apparatus comprising an antenna member for a broad-band signal
04/02/1986EP0176311A2 Small antenna
03/1986
03/26/1986EP0175055A2 Cable-connecting device for a symmetrical antenna
03/18/1986CA1202086A1 Directivity diversity communication system with microstrip antenna
03/12/1986EP0174068A1 Improvements in or relating to microstrip antennas
03/11/1986US4575725 Double tuned, coupled microstrip antenna
02/1986
02/25/1986US4573212 Integrated receiver antenna device
02/25/1986US4573056 Dipole radiator excited by a shielded slot line
02/19/1986EP0171866A1 Vibration tolerant whip antenna
02/18/1986US4571596 Antenna matching device
02/18/1986US4571592 Skin effect antennas
02/11/1986US4570165 Adjustable loop and dipole antenna
02/05/1986EP0170344A2 Dipole antenna system with overhead coverage having equidirectional-linear polarization
02/04/1986US4568944 Y-Shaped dipole antenna
01/1986
01/28/1986US4567487 Vibration-tolerant whip antenna
01/16/1986WO1986000471A1 Telescopic antenna
01/14/1986US4564842 Singly fed circularly polarized microstrip antenna
01/14/1986CA1199402A1 Vehicle-mounted antenna with adjustable-length capabilities
01/07/1986CA1199106A1 Subsurface radiating dipole
12/1985
12/17/1985US4559539 Spiral antenna deformed to receive another antenna