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