Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 25 - Aerials or aerial systems providing at least two radiating patterns
Patents for H01Q 25 - Aerials or aerial systems providing at least two radiating patterns (4,128)
09/1996
09/21/1996CA2172013A1 Multisource and multibeam antenna feed device
09/17/1996US5557292 Multiple band folding antenna
09/10/1996US5555257 Cellular/satellite communications system with improved frequency re-use
09/03/1996US5552798 Antenna for multipath satellite communication links
08/1996
08/22/1996WO1996025775A1 Low wind resistance antennas using cylindrical radiating and reflector units
08/21/1996EP0727839A1 Multishaped beam direct radiating array antenna
08/20/1996US5548295 Multishaped beam direct radiating array antenna
08/20/1996US5548294 Dielectric lens focused scanning beam antenna for satellite communication system
08/20/1996US5548292 Mobile communication satellite payload
08/14/1996EP0726019A1 Microwave video distribution system and adaptable microwave transmitter
08/14/1996EP0569390B1 Antenna system
08/13/1996US5546097 Shaped dual reflector antenna system for generating a plurality of beam coverages
08/07/1996CN2232625Y Multi-position whole frequency channel TV receiving antenna
08/01/1996WO1996023329A1 High gain antenna systems for cellular use
08/01/1996WO1996023328A1 Angular diversity/spaced diversity cellular antennas and methods
07/1996
07/30/1996US5541612 Waveguide antenna which includes a slotted hollow waveguide
07/24/1996EP0723308A1 Multibeam antenna of high capacity with electronic scanning in transmission
07/23/1996US5539415 Antenna feed and beamforming network
07/11/1996WO1996021164A1 Microwave energy implemented aircraft landing system
07/09/1996US5534877 Orthogonally polarized dual-band printed circuit antenna employing radiating elements capacitively coupled to feedlines
06/1996
06/27/1996WO1996019847A1 Omnidirectional antenna and process for producing the same
06/27/1996DE4445851A1 Rundstrahlantenne und Verfahren zu deren Herstellung Omnidirectional antenna and processes for their preparation
06/26/1996EP0718911A1 Beam forming array for radiofrequency antenna with fast Fourier transform and device using such array, in particular for space applications
06/20/1996CA2165635A1 Radiofrequency antenna beam forming network using the fast fourier transform and physical structure implementing said network, especially in space applications
06/19/1996CN1124892A Mobile communication satellite payload
06/12/1996CN1124548A Transceiver algorithms of antenna arrays
06/06/1996WO1996017487A1 Method and apparatus for providing redundant radio coverage within a cellular communication system
06/06/1996WO1996017486A1 A beamed antenna system
06/06/1996CA2206101A1 Method and apparatus for providing redundant radio coverage within a cellular communication system
06/05/1996CN1124075A A cellular/satellite communications system with improved frequency re-use
05/1996
05/22/1996CN1122959A Antenna for multipath satellite communication links
05/01/1996EP0709914A1 RF seeker head antenna system for missiles
04/1996
04/17/1996EP0707356A1 Multiple beam lens antenna
04/17/1996EP0707220A2 Radar module and radar system
04/09/1996US5506589 Monopulse array system with air-stripline multi-port network
04/03/1996EP0704929A2 Multiple beam antenna system for simultaneously receiving multiple satellite signals
04/03/1996EP0704815A2 High field programmable transponder system and method
04/02/1996US5504493 Active transmit phased array antenna with amplitude taper
03/1996
03/27/1996EP0703638A1 Method and device for enlragement of the radiation diagram for an active antenna
03/26/1996US5502447 Beam sharpened pencil beam antenna systems
03/21/1996DE4432687A1 Meteorological humidity sensor using HF reflection measuring device
03/20/1996EP0702424A1 Antenna feed and beamforming network
03/07/1996WO1996007285A1 Microwave video distribution system and adaptable microwave transmitter
03/02/1996CA2157139A1 Multiple beam antenna system for simultaneously receiving multiple satellite signals
02/1996
02/28/1996EP0698972A1 Antenna for multipath satellite communication links
02/27/1996US5495262 Molded plastic microwave antenna
02/27/1996US5495258 Multiple beam antenna system for simultaneously receiving multiple satellite signals
02/24/1996CA2151860A1 Antenna for multipath satellite communication links
02/20/1996US5493303 Monopulse transceiver
02/08/1996WO1995034997A3 Diversity combining for antennas
01/1996
01/24/1996EP0693246A1 Transceiver algorithms of antenna arrays
01/16/1996US5485162 Method of performing beam compression process on antenna pattern of radar
12/1995
12/27/1995EP0689264A2 Multiple band folding antenna
12/27/1995EP0688482A1 A cellular/satellite communications system with improved frequency re-use
12/21/1995WO1995034997A2 Diversity combining for antennas
12/21/1995CA2191957A1 Diversity combining for antennas
12/13/1995EP0687031A2 Base station antenna arrangement
12/06/1995EP0685901A2 A feed structure for use in a wireless communication system
12/05/1995US5473333 Apparatus and method for adaptively controlling array antenna comprising adaptive control means with improved initial value setting arrangement
12/02/1995CA2147399A1 Feed structure for use in a wireless communication system
11/1995
11/30/1995DE4430832A1 Multiple beam aerial with transmission and receiving equipment
11/29/1995EP0684486A2 Multibeam radar system
11/23/1995WO1995028747A3 Antenna system
11/22/1995EP0683543A2 Antenna system with plural beam sequential offset
11/14/1995US5467100 Slot-coupled fed dual circular polarization TEM mode slot array antenna
11/14/1995CA1337569C Radar system for determining angular position utilizing a linear phased array antenna
11/09/1995WO1995030254A1 Multiple beam lens antenna
10/1995
10/31/1995US5463656 System for conducting video communications over satellite communication link with aircraft having physically compact, effectively conformal, phased array antenna
10/26/1995WO1995028747A2 Antenna system
10/19/1995WO1995028016A1 A large phased-array communications satellite
10/19/1995WO1995028015A1 Multiple beamwidth phased array
10/19/1995DE4412770A1 Microwave lens aerial for car distance warning radar
10/19/1995DE4412769A1 Microwave reflector aerial for car distance warning radar
10/19/1995DE4412728A1 Car distance warning radar
10/19/1995CA2187280A1 A large phased-array communications satellite
10/19/1995CA2185988A1 Multiple beamwidth phased array
10/05/1995DE4309295A1 Guided missile control system
10/03/1995CA2042543C Method and apparatus for producing multiple, frequency-addressable scanning beams
10/03/1995CA2040318C Feed network for a dual circular and dual linear polarization antenna
09/1995
09/27/1995EP0674356A1 Antenna array
09/27/1995EP0674355A2 Simplified tracking antenna
09/26/1995US5453752 Compact broadband microstrip antenna
09/26/1995CA2027456C Satellite beam-forming network system having improved beam shaping
09/21/1995WO1995022873A3 Transceiver algorithms of antenna arrays
09/19/1995US5451969 Dual polarized dual band antenna
09/07/1995DE4415078C1 Adaptive alignment system for array antenna
09/06/1995EP0670608A2 Apparatus and method for adaptively controlling array antenna comprising adaptive control means with improved initial value setting arrangement
09/05/1995CA2059584C Electronic control device for the radiation pattern of an antenna with one or several directional beams and/or of a variable width
08/1995
08/24/1995WO1995022873A2 Transceiver algorithms of antenna arrays
08/24/1995CA2159712A1 Transceiver algorithms of antenna arrays
08/23/1995EP0668627A1 Base station antenna arrangement
08/16/1995CN1106954A Slot-coupled fed dual circular polarization tem mode slot array antenna
08/15/1995CA2030963C Orthogonally polarized dual-band printed circuit antenna employing radiating elements capacitively coupled to feedlines
08/09/1995CN1106577A Active transmit phased array antenna with amplitude taper
08/03/1995DE3825877C1 Monopulse target following radar arrangement
08/02/1995EP0665607A1 Active transmit phased array antenna with amplitude taper
08/01/1995CA2029762C Dual mode antenna apparatus having slotted waveguide and broadband arrays
07/1995
07/18/1995US5434586 Multibeam antenna for receiving satellite waves
07/13/1995WO1995019078A1 A cellular/satellite communications system with improved frequency re-use
07/13/1995CA2157182A1 A cellular/satellite communications system with improved frequency re-use
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