| Patents for H01Q 21 - Aerial arrays or systems (25,127) |
|---|
| 09/15/1994 | WO1994021006A1 Antenna combination of dipole with log-periodic antenna |
| 09/14/1994 | EP0615305A1 Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide |
| 09/14/1994 | EP0615304A1 Noise cancelling in antennae and the like |
| 09/14/1994 | EP0614578A1 Compact broadband microstrip antenna |
| 09/14/1994 | EP0505391B1 Comb generator, device and process for the calibration of radiated-emission test sites |
| 09/13/1994 | US5347287 Conformal phased array antenna |
| 09/13/1994 | US5347241 Dual junction back-to-back microstrip four-port circulators |
| 09/07/1994 | EP0614246A1 Array antenna |
| 09/07/1994 | EP0614245A1 Phased array antenna for efficient radiation of microwave and thermal energy |
| 09/07/1994 | EP0614092A1 Radar apparatus |
| 09/07/1994 | EP0510104B1 Collision avoidance transmit system with autocalibration |
| 09/07/1994 | EP0335942B1 Microwave radiometer |
| 09/06/1994 | US5345246 Antenna device having low side-lobe characteristics |
| 09/06/1994 | CA2037710C Forward looking radar |
| 09/04/1994 | CA2116755A1 Radar apparatus |
| 09/01/1994 | WO1994019873A1 Receiver having concealed external antenna |
| 09/01/1994 | WO1994019842A1 Antenna system |
| 09/01/1994 | CA2117919A1 Receiver having concealed external antenna |
| 08/31/1994 | EP0613019A1 Off-boresight antenna for monopulse radar |
| 08/31/1994 | CN2175975Y Pyramid-shape 1-68 channel long-distance colour TV receiving antenna |
| 08/30/1994 | US5343173 Phase shifting network and antenna and method |
| 08/24/1994 | EP0611500A1 Satellite communication system |
| 08/24/1994 | EP0611490A1 Terrestrial antennas for satellite communication system |
| 08/23/1994 | CA2037711C Forward looking radar |
| 08/23/1994 | CA2035599C Antenna system with adjustable beam width and beam orientation |
| 08/18/1994 | WO1994018719A1 Directional antenna, in particular a dipole antenna |
| 08/17/1994 | EP0610546A1 An antenna system |
| 08/17/1994 | CN2174784Y Full-frequency channel multi-direction combined antenna |
| 08/16/1994 | US5339089 Antenna structure |
| 08/16/1994 | US5339086 Phased array antenna with distributed beam steering |
| 08/16/1994 | US5339083 Transmit-receive module |
| 08/10/1994 | EP0610126A1 Improved microstrip antenna for microwave receiver |
| 08/09/1994 | US5337066 Antenna system with a limitable communication area |
| 08/09/1994 | US5337065 Slot hyperfrequency antenna with a structure of small thickness |
| 08/09/1994 | US5337058 Fast switching polarization diverse radar antenna system |
| 08/03/1994 | EP0608992A1 Dual purpose, low profile antenna |
| 08/03/1994 | EP0608966A2 Adjustable reactance device and method |
| 08/03/1994 | CN2173462Y Multi-function indoor active TV antenna |
| 08/03/1994 | CN2173461Y Foldable all-direction all-channel TV antenna |
| 08/03/1994 | CN2173460Y Foldable multi-direction all-channel TV antenna |
| 08/02/1994 | CA2011475C Low cross-polarization radiator of circularly polarized radiation |
| 07/26/1994 | US5333002 Full aperture interleaved space duplexed beamshaped microstrip antenna system |
| 07/26/1994 | US5333001 Multifrequency antenna array |
| 07/26/1994 | CA2114576A1 Dual purpose, low profile antenna |
| 07/26/1994 | CA2024992C Planar antenna |
| 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 |
| 07/20/1994 | EP0606396A1 A radio frequency local area network |
| 07/19/1994 | US5331136 Hand-held data capture system with interchangeable modules |
| 07/19/1994 | CA2027183C Electronic scanning transmitting antenna |
| 07/13/1994 | CN1089421A A radio module included in a primary radio station, and a radio structure containing such modules |
| 07/13/1994 | CN1089397A Antenna system with helical feeders |
| 07/07/1994 | WO1994015379A1 Decametric wave antenna comprising in a same vertical plane a sheet of doublets and supply cables for the doublets |
| 07/06/1994 | EP0605338A1 Patch antenna with dual polarisation and corresponding device for transmission/reception |
| 07/06/1994 | CN1025400C Method of reducing influence of fading of viterbi receiver having at least two antennas |
| 07/05/1994 | US5327152 Support apparatus for an active aperture radar antenna |
| 07/05/1994 | US5327150 Phased array antenna for efficient radiation of microwave and thermal energy |
| 07/05/1994 | US5327149 For collecting/detecting radiant energy in optical/radio frequency regions |
| 07/05/1994 | US5327147 Microwave array antenna having sources of different widths |
| 07/05/1994 | US5327146 Planar array with radiators adjacent and above a spiral feeder |
| 06/29/1994 | EP0603862A2 Transmit and receive antenna element with feedback |
| 06/29/1994 | EP0603529A1 Antenna system with helical feeders |
| 06/28/1994 | US5325103 Lightweight patch radiator antenna |
| 06/28/1994 | US5325101 Cylindrical phased array antenna system to prodce wide open coverage of a wide angular sector with high directive gain and wide frequency bandwidth |
| 06/28/1994 | US5325095 Stepped frequency ground penetrating radar |
| 06/23/1994 | WO1994014208A1 Improvements in or relating to portable phones |
| 06/22/1994 | EP0602800A1 Beam compression method for radar antenna patterns |
| 06/21/1994 | US5323169 Compact, high-gain, ultra-wide band (UWB) transverse electromagnetic (TEM) planar transmission-line-array horn antenna |
| 06/15/1994 | CN2169215Y Unified all channel TV antenna |
| 06/14/1994 | US5321414 Dual polarization dipole array antenna |
| 06/14/1994 | US5321411 Planar antenna for linearly polarized waves |
| 06/09/1994 | WO1994013029A1 Highly efficient planar antenna on a periodic dielectric structure |
| 06/08/1994 | EP0600799A1 An active antenna with variable polarisation synthesis |
| 06/08/1994 | EP0600715A2 Active transmit phased array antenna |
| 06/01/1994 | EP0599108A1 Converter for receiving satellite signal |
| 06/01/1994 | DE4240104A1 Microwave heating and drying device - has flat patch antenna arrangement with dimensions selected according to radiating medium |
| 06/01/1994 | DE4239785A1 Strip conductor group antenna - has flat conductive arrangement with stepped surface area variation which varies antenna band width |
| 05/31/1994 | US5317327 Composite antenna for receiving signals transmitted simultaneously via satellite and by terrestrial stations, in particular for receiving digital audio broadcasting radio signals |
| 05/31/1994 | US5317324 Printed antenna |
| 05/31/1994 | CA2005364C Embedded surface wave antenna |
| 05/26/1994 | WO1994011958A1 A radio module included in a primary radio station, and a radio structure containing such modules |
| 05/26/1994 | CA2126973A1 A radio module included in a primary radio station, and a radio structure containing such modules |
| 05/25/1994 | EP0598656A1 Radiating element for an antenna array and sub-set with such elements |
| 05/25/1994 | EP0598624A1 Detection of multiple articles |
| 05/25/1994 | EP0598580A1 Cross-slot microwave antenna |
| 05/25/1994 | CN2166528Y V-U outdoor common antenna for household television |
| 05/24/1994 | US5315309 Dual polarization antenna |
| 05/17/1994 | US5313218 Antenna assembly |
| 05/17/1994 | CA2102479A1 Cross-slot microwave antenna |
| 05/11/1994 | EP0596618A2 Lightweight patch radiator antenna |
| 05/10/1994 | US5311200 Millimeter wave variable width waveguide scanner |
| 05/10/1994 | US5311190 Transmit and receive antenna element with feedback |
| 05/03/1994 | US5309165 Positioner with corner contacts for cross notch array and improved radiator elements |
| 05/03/1994 | US5309164 Patch-type microwave antenna having wide bandwidth and low cross-pol |
| 05/03/1994 | CA1329257C Dual-polarized printed circuit antenna having its elements, including gridded printed circuit elements, capacitively coupled to feedlines |
| 04/27/1994 | EP0593822A1 Base station antenna arrangement |
| 04/26/1994 | CA1328923C Plural layer coupling system |
| 04/20/1994 | CN2162714Y High gain, whole frequency channel change direction parabolic antenna |
| 04/19/1994 | US5304999 Polarization agility in an RF radiator module for use in a phased array |