Patents for H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (4,834) |
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05/14/1996 | CA2061743C End loaded helix antenna |
05/01/1996 | EP0709914A1 RF seeker head antenna system for missiles |
04/30/1996 | US5512912 Marine antenna mount |
04/10/1996 | EP0706231A1 Antenna equipment |
04/03/1996 | EP0704929A2 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
03/26/1996 | US5502454 Electrical conducting sheel structure for coaxial collinear array antenna |
03/07/1996 | WO1996007216A1 Nonsquinting end-fed quadrifilar helical antenna |
03/07/1996 | WO1996007215A1 Helical antenna having adjustable beam angle |
03/07/1996 | CA2196670A1 Helical antenna having adjustable beam angle |
03/07/1996 | CA2196667A1 Nonsquinting end-fed quadrifilar helical antenna |
03/02/1996 | CA2157139A1 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
02/29/1996 | WO1996006468A1 An antenna |
02/27/1996 | US5495258 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
02/27/1996 | CA2047694C 4-wire helical antenna |
02/06/1996 | US5489916 Helical antenna having adjustable beam angle |
01/16/1996 | US5485170 MSAT mast antenna with reduced frequency scanning |
01/11/1996 | WO1996000990A1 Antenna device and portable radio device |
12/26/1995 | US5479182 Short conical antenna |
12/26/1995 | US5479180 High power ultra broadband antenna |
12/20/1995 | EP0687389A1 Short conical antenna |
12/20/1995 | EP0687388A1 Drive arrangement for mechanically-steered antennas |
12/19/1995 | US5477232 Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies |
12/12/1995 | US5475351 Non-contact rotating coupler |
11/21/1995 | US5469179 Parametrically amplifying traveling-wave antenna |
10/18/1995 | EP0677212A1 Helical antenna system |
10/18/1995 | EP0677210A1 Transmit and receive antenna having angled crossover elements |
10/11/1995 | EP0584153B1 Radiowave antenna system |
10/11/1995 | CN1110011A Antenna assembly |
09/27/1995 | EP0674354A2 Wireless access control system using a proximity member and antenna equipment therefor |
09/26/1995 | US5453755 Circularly-polarized-wave flat antenna |
09/06/1995 | CN1108008A Antenna apparatus |
08/31/1995 | DE19506175A1 Antenne und Funktelephon, das dieselbe verwendet Antenna and radio telephone, the same used |
08/29/1995 | US5446469 Extendible whip antenna |
08/22/1995 | US5444455 Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction |
08/16/1995 | EP0667044A1 An antenna device for portable equipment. |
08/15/1995 | US5442369 Toroidal antenna |
08/09/1995 | EP0666613A1 Axially arrayed helical antenna |
08/09/1995 | EP0666612A2 Self-deploying helical structure |
08/02/1995 | CN1106165A Non-contact rotating coupler |
07/25/1995 | US5436633 Adjustable antenna assembly for a portable telephone |
07/11/1995 | US5432524 Drive arrangement for mechanically-steered antennas |
07/04/1995 | USH1460 Spiral-mode or sinuous microscrip antenna with variable ground plane spacing |
06/21/1995 | EP0658281A1 Coaxial collinear element array antenna. |
06/14/1995 | EP0657956A1 Antenna assembly |
05/10/1995 | EP0614578A4 Compact broadband microstrip antenna. |
05/09/1995 | US5414427 Device for information transmission |
05/04/1995 | WO1995012224A1 Broadband aerial means |
04/19/1995 | EP0649181A1 Antenna for portable radio apparatus, method for manufacturing the same and portable radio apparatus comprising the same |
04/19/1995 | CN1101761A Planar antenna with helical antenna array and waveguide |
04/19/1995 | CN1101760A Planar antenna with helical antenna array and strip line feeder pattern coupled thereto |
04/18/1995 | US5406693 Method of manufacturing a helical antenna for satellite communication |
04/15/1995 | CA2118082A1 Portable radio antenna and process for fabricating and portable radio using said antenna |
04/13/1995 | DE4436157A1 Antenne Antenna |
04/04/1995 | US5404147 EAS system loop antenna having three loops of different area |
04/04/1995 | US5403197 Antenna extender apparatus |
03/29/1995 | EP0645838A2 Non-contact rotating coupler |
03/22/1995 | EP0644606A1 Portable radio communication device and loaded antenna therefor |
02/01/1995 | EP0637096A1 Planar antenna with helical antenna array and strip line feeder pattern coupled thereto |
02/01/1995 | EP0637095A1 Planar antenna with helical antenna array and waveguide |
01/18/1995 | CN1027476C 天线系统 Antenna System |
01/04/1995 | EP0632603A1 Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies |
01/04/1995 | EP0632523A1 A planar antenna |
12/21/1994 | EP0630068A1 Radar system and components therefor for transmitting an electromagnetic signal underwater |
12/13/1994 | US5373301 Transmit and receive antenna having angled crossover elements |
11/24/1994 | WO1994027338A1 Msat mast antenna with reduced frequency scanning |
10/25/1994 | US5359340 Helical antenna for portable radio communication equipment |
10/25/1994 | US5359336 Circularly polarized wave generator and circularly polarized wave receiving antenna |
10/05/1994 | EP0386134B1 Antenna system for magnetic and resonant circuit detection |
10/04/1994 | US5353040 4-wire helical antenna |
09/20/1994 | US5349365 Quadrifilar helix antenna |
09/15/1994 | WO1994021005A1 Short conical antenna |
09/15/1994 | WO1994021002A1 Drive arrangement for mechanically-steered antennas |
09/15/1994 | CA2156403A1 Short conical antenna |
09/14/1994 | EP0614578A1 Compact broadband microstrip antenna |
09/13/1994 | US5346300 Back fire helical antenna |
09/06/1994 | US5345248 Staggered helical array antenna |
08/24/1994 | EP0611970A1 Multiple aerial for metal detector |
07/26/1994 | CA1331055C Circular polarization antenna system |
07/21/1994 | WO1994016472A1 Helical antenna system |
07/21/1994 | WO1994016471A1 Transmit and receive antenna having angled crossover elements |
07/13/1994 | CN1089397A Antenna system with helical feeders |
07/12/1994 | US5329287 End loaded helix antenna |
07/05/1994 | US5327118 EAS system with alternating on/off transmitter operation and loop antenna |
06/29/1994 | EP0603529A1 Antenna system with helical feeders |
06/23/1994 | WO1994014207A1 Cordless-telephone antenna |
06/01/1994 | EP0598988A1 EAS system with alternating on/off transmitter operation and loop antenna |
05/11/1994 | WO1994010720A1 An antenna device for portable equipment |
05/11/1994 | CN1086633A An antenna device for portable equipment |
05/03/1994 | US5309167 Multifocal receiving antenna with a single aiming direction for several satellites |
04/20/1994 | EP0593185A1 Wideband antenna arrangement |
03/29/1994 | US5298910 Antenna for radio apparatus |
03/23/1994 | EP0588514A1 Hybrid monopole/log-periodic antenna |
03/17/1994 | WO1994006170A1 Coaxial collinear element array antenna |
03/17/1994 | CA2142695A1 Coaxial collinear element array antenna |
03/02/1994 | EP0584153A1 Radiowave antenna system. |
02/08/1994 | US5285211 Coaxial collinear element array antenna |
01/26/1994 | CN1023625C Micro antenna |
12/28/1993 | US5274393 Adjustable helical antenna for a VHF radio |
12/28/1993 | US5274390 Frequency-Independent phased-array antenna |
12/15/1993 | EP0573971A1 Antenna |