Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 21 - Aerial arrays or systems
Patents for H01Q 21 - Aerial arrays or systems (25,127)
07/1999
07/27/1999US5930680 Method and system for transceiving signals using a constellation of satellites in close geosynchronous orbit
07/27/1999US5929823 Multiple beam planar array with parasitic elements
07/27/1999US5929822 Electromagnetic exciter feed dipole antenna
07/27/1999US5929821 For use in rf broadcasting
07/27/1999US5929820 Scanning cup-dipole antenna with fixed dipole and tilting cup
07/27/1999US5929819 Flat antenna for satellite communication
07/27/1999US5929818 Combination satellite dish with UHF/VHF antenna
07/27/1999US5929816 Antenna mount for aircraft
07/27/1999US5929812 Flat antenna
07/27/1999US5929808 System and method for the acquisition of a non-geosynchronous satellite signal
07/27/1999CA2197518C Surface mounting antenna and communication apparatus using the same antenna
07/22/1999WO1999036992A2 Array antenna having multiple independently steered beams
07/22/1999WO1999036991A1 Method of feeding flat antenna, and flat antenna
07/22/1999WO1999036989A1 Antenna system
07/22/1999WO1999036986A2 Boxhorn array architecture using folded junctions
07/22/1999DE19901179A1 Dual polarization base station antenna for wireless telecommunication systems
07/22/1999DE19801800A1 Device for identifying object on conveyor belt
07/22/1999DE19801552A1 Tracking system implementation
07/21/1999EP0930669A2 Antenna for communicating with low earth orbit satellite
07/21/1999EP0930668A1 GSM base station antenna
07/21/1999EP0929913A1 A multi resonant radio antenna
07/21/1999CN1223480A High isolation dual polarized antenna system using dipole radiating elements
07/20/1999US5926147 Planar antenna design
07/20/1999US5926145 Base station for mobile communication
07/20/1999US5926143 Multi-frequency band rod antenna
07/20/1999US5926137 Foursquare antenna radiating element
07/20/1999US5926134 Electronic scanning antenna
07/20/1999US5926133 Differentially corrected position location system and method for mobile communication networks
07/15/1999WO1999035711A1 Electromagnetic wave transmitter/receiver
07/15/1999WO1999035706A2 Shaped directional antenna array for improved location information
07/15/1999WO1999035705A2 Electrically-controllable back-fed antenna
07/14/1999EP0929120A2 Double-stacked hourglass log periodic dipole antenna
07/14/1999EP0929117A1 Filtering and phase shift of a partial signal of an array antenna and corresponding circuit
07/14/1999EP0928503A1 Antenna feed architecture for use with a continuous transverse stub antenna array
07/14/1999EP0928502A1 Microstrip antenna with control of the direction of the axis of maximum radiation
07/14/1999CN1223018A 天线系统 Antenna System
07/13/1999US5923304 Omnidirectional antenna scheme
07/13/1999US5923303 For supporting personal communication systems
07/13/1999US5923302 Full coverage antenna array including side looking and end-free antenna arrays having comparable gain
07/13/1999US5923296 Dual polarized microstrip patch antenna array for PCS base stations
07/13/1999US5923295 Circular polarization microstrip line antenna power supply and receiver loading the microstrip line antenna
07/13/1999US5923290 Array antenna apparatus
07/13/1999US5923289 Modular array and phased array antenna system
07/08/1999WO1999034525A1 Pda antenna system
07/08/1999WO1999034480A1 Photonically controlled, phased array antenna
07/08/1999WO1999034478A1 Improved positioning of shaped directional transmitting and transmitting/receiving antenna array elements
07/08/1999WO1999034477A1 Low cost high performance portable phased array antenna system for satellite communication
07/07/1999EP0928042A1 Wide band detection means, particularly radars
07/07/1999EP0927480A1 Interference mitigation by joint detection of cochannel signals
07/07/1999EP0927439A1 Antenna device with improved channel isolation
07/07/1999EP0927362A1 Position determination using multiple base station signals
07/07/1999CN1222258A Meander antenna device
07/06/1999US5920809 Antenna array switchable to provide spatial shift without change of radiation pattern
07/06/1999US5920285 Apparatus for detecting a reflector
07/01/1999WO1999033147A1 Broadband antenna
07/01/1999WO1999033143A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements
07/01/1999DE19758218A1 Dual band hybrid radiator for mobile radio, esp. mobile navigation using GPS signals
07/01/1999CA2316288A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements
06/1999
06/30/1999CN1221526A Radio station with circularly polarised antennas
06/29/1999US5918183 Concealed mobile communications system
06/29/1999US5917456 Stripline antenna
06/29/1999US5917447 Method and system for digital beam forming
06/24/1999WO1999031760A1 Seismic data acquisition radio antenna
06/24/1999WO1999031755A2 Method and arrangement relating to antennas
06/24/1999WO1999031754A2 A linear interferometer antenna capable of making error-free azimuth and elevation angle measurements
06/23/1999EP0924797A1 Multifrequency microstrip antenna and apparatus using the same
06/23/1999EP0924796A2 Micro-strip antenna
06/22/1999US5914694 Dual-band, dual polarization radiating structure
06/22/1999US5914691 Antenna apparatus having magnetic-current-type and electric-field type antenna
06/22/1999US5914688 For transmission and reception of electromagnetic signals
06/22/1999US5913549 Planar microstrip Yagi antenna array and process for making same
06/22/1999CA2225677A1 Multiple parasitic coupling to an outer antenna patch element from inner path elements
06/17/1999WO1999030417A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus
06/17/1999WO1999030385A1 Vhf/uhf self-tuning planar antenna system
06/17/1999WO1999030384A1 Antenna and transmitter arrangement for eas system
06/16/1999EP0923158A2 Antenna
06/16/1999EP0923156A1 Shorted microstrip antenna and apparatus using the same
06/16/1999EP0923155A1 Adaptive array antenna
06/16/1999EP0923154A2 Method for controlling a phase controlled antenna
06/16/1999EP0922312A1 Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance
06/15/1999US5913151 Small antenna for receiving signals from constellation of satellites in close geosynchronous orbit
06/15/1999US5912646 For radiating a single beam
06/15/1999US5912645 Array feed for axially symmetric and offset reflectors
06/11/1999CA2254266A1 Microribbon multifrequency antenna and device including the said antenna
06/11/1999CA2254263A1 Microribbon short-circuit antenna and device including the said antenna
06/10/1999WO1999028991A1 Transducer for transmitting-receiving microwave radio energy
06/10/1999WO1999028989A1 Combination antenna device
06/10/1999DE19804760A1 Radio transceiver with dipole aerial on housing
06/10/1999DE19752149A1 Antenna arrangement for keyless operation of automobile
06/09/1999EP0921591A1 Array antenna with switched distributed-constant phase-shifter
06/09/1999CN1219289A Antenna assembly for radio telephonic device
06/03/1999WO1999027611A1 Photonically controlled antenna array
06/03/1999WO1999027610A1 A communication system, a primary radio station, a secondary radio station, and a communication method
06/03/1999WO1999027609A1 Single-frequency antenna arrangement
06/03/1999WO1999027606A2 Microstrip arrangement
06/02/1999EP0920075A1 Wide-angle circular polarization antenna
06/02/1999EP0920074A1 Circular polarized planar printed antenna concept with shaped radiation pattern
06/02/1999EP0919071A1 Integrated transmitter or receiver device
06/02/1999CN1218583A Flat antenna
06/02/1999CA2254748A1 Waveguide phased array antenna apparatus
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