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) |
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01/26/1993 | US5182570 End fed flat antenna |
01/20/1993 | EP0524045A1 Antenna for decametric waves with reduced wind load |
01/19/1993 | US5181044 Top loaded antenna |
01/19/1993 | US5181025 Conformal telemetry system |
01/12/1993 | US5179387 Whip antenna operable without grounding |
01/07/1993 | EP0521384A1 Multiple-frequency stacked microstrip antenna |
01/07/1993 | EP0521377A2 Microstrip patch antenna structure |
01/07/1993 | EP0521264A2 Antenna device with feed |
01/04/1993 | CA2071325A1 Microstrip patch antenna structure |
01/02/1993 | CA2072502A1 Multiple-frequency stacked microstrip antenna |
12/30/1992 | EP0520851A1 Antenna combination for reception of signals from satellites and groundstations, particularly for the reception of digital audio broadcasting signals |
12/30/1992 | EP0520197A2 Foil antenna |
12/23/1992 | WO1992022824A1 Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor |
12/23/1992 | CN1019624B Extendible omnibearing wide-band antenna |
12/22/1992 | US5173713 Three element inverted conical monopole with series inductance and resistance in each element |
12/22/1992 | US5173711 Microstrip antenna for two-frequency separate-feeding type for circularly polarized waves |
12/16/1992 | EP0518516A2 Antenna for sensing stray RF radiation |
12/16/1992 | EP0518271A1 Elemental microwave antenna with two polarisations |
12/15/1992 | US5172128 Antenna with circular polarization, notably for antenna array |
12/15/1992 | US5172126 Low noise lumped parameter active receiving antenna |
12/15/1992 | CA1311554C Ultra-broadband linearly polarized biconical antenna |
12/11/1992 | CA2070705A1 Dual polarization elementary microwave antenna |
12/08/1992 | US5170175 Thin film resistive loading for antennas |
12/02/1992 | EP0516525A1 Slot antenna having two nonparallel elements |
12/02/1992 | EP0516303A1 Planar antenna |
12/01/1992 | US5168279 Antenna for sensing stray rf radiation |
11/25/1992 | EP0514378A1 End fed flat antenna |
11/24/1992 | US5166697 Complementary bowtie dipole-slot antenna |
11/19/1992 | EP0513287A1 Motion detector unit. |
11/17/1992 | US5165109 Microwave communication antenna |
11/11/1992 | EP0305486B1 Capacitance loaded helical monopole antenna |
11/10/1992 | US5162806 Planar antenna with lens for controlling beam widths from two portions thereof at different frequencies |
11/04/1992 | CN2121083U Pocket full frequency channel tv. indoor antenna |
10/29/1992 | WO1992019020A1 Microstrip line/waveguide transition |
10/21/1992 | EP0509339A1 Antenna with top loading capacity for a mobile telephone |
10/15/1992 | WO1992017866A1 Article sorting system |
10/14/1992 | CN2119034U Full direction base station antenna |
10/13/1992 | US5155495 Radio antennas |
10/13/1992 | US5155493 Tape type microstrip patch antenna |
10/06/1992 | US5153600 Multiple-frequency stacked microstrip antenna |
09/29/1992 | US5151708 Shortened mast antenna with compensating circuits |
09/23/1992 | CN2116968U Directional antenna |
09/22/1992 | CA1307842C Dual polarization microstrip array antenna |
09/15/1992 | US5148181 Mobile radio communication apparatus |
09/09/1992 | EP0502818A1 Planar antenna |
09/08/1992 | US5146234 Dual polarized spiral antenna |
09/08/1992 | US5146232 Low profile antenna for land mobile communications |
09/01/1992 | US5144324 Antenna arrangement for a portable transceiver |
08/26/1992 | CN2114224U Wound-type ring string aerial |
08/19/1992 | CN2113559U Pneumatic telescopic antenna |
08/06/1992 | WO1992013393A1 Antenna device |
08/06/1992 | WO1992013372A1 Broadband antenna |
08/05/1992 | EP0497702A1 Radiating element structure for a plate antenna |
08/05/1992 | EP0497196A2 Antenna with multiple elements |
07/28/1992 | US5134419 Three-wave shared antenna (radio, am, and fm) for automobile |
07/22/1992 | CN1062997A Rotating antenna with wire dipoles |
07/21/1992 | US5132698 Choke-slot ground plane and antenna system |
07/21/1992 | US5132623 Method and apparatus for broadband measurement of dielectric properties |
07/15/1992 | CN2110292U Wide-band outdoor t. v. antenna |
07/14/1992 | CA1305249C Scanning antenna |
07/08/1992 | CN2109642U Wide band whip antenna |
07/08/1992 | CN2109641U Nine unit full channel compound vibrator tv antenna |
07/08/1992 | CN2109640U Mini tv set antenna |
07/02/1992 | DE4141870A1 Planar surface antenna for retro-fit to motor vehicle - comprises flat element on baseplate, earthed to bodywork and dimensioned for rainfall of 100 mm per hour |
07/01/1992 | EP0493237A1 Rotary curtain antenna with dipoles |
07/01/1992 | EP0493190A1 Stacked microstrip microwave antenna |
07/01/1992 | EP0493014A1 Patch antenna |
07/01/1992 | EP0492022A1 Wide band radio antenna with weak stationary wave rating |
06/30/1992 | US5126751 Flush mount antenna |
06/24/1992 | EP0471799A4 Time domain radio transmission system |
06/23/1992 | US5124733 Stacked microstrip antenna |
06/23/1992 | US5124714 Dual slot planar mobile antenna fed with coaxial cables |
06/23/1992 | US5124713 Planar microwave antenna for producing circular polarization from a patch radiator |
06/17/1992 | EP0490760A1 Annular-ring microstrip antenna with reduced natural frequency and vehicle with at least such an antenna |
06/16/1992 | US5122809 Microwave electric power receiver |
06/15/1992 | CA2057659A1 Ring-type antenna, with reduced center working frequency, and vehicle equipped with at least one such antenna |
06/11/1992 | WO1992009905A1 Motion detector unit |
06/09/1992 | US5121127 Microstrip antenna |
06/03/1992 | CN2106426U Spiral goat horn type aerial |
06/02/1992 | US5119099 Microwave responder |
05/21/1992 | CA2055765A1 Method and apparatus for broadband measurement of dielectric properties |
05/13/1992 | EP0484454A1 Transmitting and receiving arrangement for portable appliances. |
05/13/1992 | EP0484347A1 Multi-resonant laminar antenna |
05/06/1992 | EP0484241A1 Printed circuit antenna for a dual polarized antenna array |
05/05/1992 | US5111211 Broadband patch antenna |
04/22/1992 | EP0481417A1 Device for feeding an antenna element radiating two orthogonal polarisations |
04/22/1992 | EP0481048A1 Microstrip radiator for circular polarization free of welds and floating potentials |
04/22/1992 | EP0480917A1 A solid dielectric lens aerial |
04/15/1992 | CN1016300B 天线 Antenna |
04/14/1992 | US5105199 Method and apparatus for tube element bracket |
04/01/1992 | EP0477951A2 Dielectric flare notch radiator with separate transmit and receive ports |
04/01/1992 | EP0477799A1 Standoff sensor antennae for munitions having explosively formed penetrators |
03/29/1992 | CA2049597A1 Dielectric flare notch radiator with separate transmit and receive ports |
03/25/1992 | CN2100034U High gain full frequency channel aerial |
03/24/1992 | US5099249 Microstrip antenna for vehicular satellite communications |
03/12/1992 | DE4027234A1 Antenna for motor boat - is integrated into guard rail port, starboard and bow sections |
03/11/1992 | EP0474490A1 Antenna assembly |
03/11/1992 | CN2098742U Outdoor tv antenna with fan-shaped combined vibrator |
03/04/1992 | EP0472932A1 Electronic article surveillance tag and method for implementing same |
02/26/1992 | EP0471799A1 Time domain radio transmission system. |