Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 21 - Aerial arrays or systems
Patents for H01Q 21 - Aerial arrays or systems (25,127)
06/1998
06/23/1998US5771024 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems
06/23/1998US5771023 Broad band helical antenna
06/23/1998US5771022 Composite antenna for hand held or portable communications
06/23/1998US5771021 Transponder employing modulated backscatter microstrip double patch antenna
06/23/1998US5771015 Controllable antenna system
06/23/1998CA2095304C Polarization pattern diversity antenna
06/18/1998WO1998026472A1 Dual polarized electronically scanned antenna
06/18/1998WO1998026471A2 Frequency selective antenna
06/16/1998US5768691 Antenna switching circuits for radio telephones
06/16/1998US5767814 Mast mounted omnidirectional phase/phase direction-finding antenna system
06/16/1998US5767812 High efficiency, broadband, trapped antenna system
06/16/1998US5767807 Communication system and methods utilizing a reactively controlled directive array
06/16/1998US5767805 Method for the broadening of a volume antenna beam
06/16/1998US5767793 Compact vehicle based rear and side obstacle detection system including multiple antennae
06/11/1998WO1998025157A2 An improved gps receiver utilizing a communication link
06/10/1998EP0847103A2 Shared antenna and portable radio device using the same
06/10/1998EP0847101A2 Antenna mutual coupling neutralizer
06/10/1998EP0847099A1 Antenna assembly
06/10/1998EP0776530A4 Method and antenna for providing an omnidirectional pattern
06/10/1998EP0772893A4 Method for wireless communication system planning
06/10/1998CN1184563A An antenna device with two radiating elements having an adjustable phase difference between the radiating elements
06/10/1998CN1184561A Wide antenna lobe
06/09/1998US5764199 Low profile semi-cylindrical lens antenna on a ground plane
06/09/1998US5764195 UHF/VHF multifunction ocean antenna system
06/09/1998US5764194 Antenna orientation assembly
06/09/1998US5764193 Diversity antenna for radio communications
06/09/1998US5764192 Wide field-of-view fixed body conformal antenna direction finding array
06/09/1998US5764189 Doppler radar module
06/04/1998WO1998024146A1 Antenna and method of manufacture
06/04/1998WO1998024145A1 Microwave antenna
06/04/1998WO1998023971A1 Omnidirectional transponder
06/03/1998CN1183879A Two-way paging system and apparatus
06/03/1998CN1183866A Multifunction interactive communication system with circularly/elliptically polarized signal transmission and reception
06/02/1998US5760748 Survey instrument
06/02/1998US5760747 Energy diversity antenna
06/02/1998US5760745 Electrostatic capacitively coupled antenna device
06/02/1998US5760741 Beam forming network for multiple-beam-feed sharing antenna system
05/1998
05/28/1998WO1998022992A2 Direct broadcast satellite system for multiple dwelling units
05/28/1998DE4032891A1 Spiralantennenanordnung Spiral antenna array
05/28/1998CA2270429A1 Direct broadcast satellite system for multiple dwelling units
05/27/1998EP0844686A1 System of transmit relay station
05/27/1998EP0843905A1 Fractal antennas, resonators and loading elements
05/27/1998EP0843904A1 Low profile antenna array for land-based, mobile radio frequency communication system
05/27/1998CN1183013A Antenna switching circuit for radio telephone
05/26/1998US5757333 Communications antenna structure
05/26/1998US5757331 Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide
05/26/1998US5757329 Slotted array antenna with single feedpoint
05/26/1998US5757327 Antenna unit for use in navigation system
05/26/1998US5757326 Slot antenna device and wireless apparatus employing the antenna device
05/26/1998US5757324 Low profile antenna array for land-based, mobile radio frequency communication system
05/26/1998US5757323 Antenna arrangements
05/26/1998US5757318 Narrow beam wireless systems with angularly diverse antennas
05/22/1998WO1998021833A1 Transmitter unit and base station
05/20/1998EP0843381A2 Multibeam antenna
05/13/1998EP0841715A2 Flat antenna
05/13/1998CN1181851A Joint demodulation using spatial maximum likelihood
05/13/1998CN1181640A Multifunction structurally integrated VHF-UHF aircraft antenna system
05/12/1998US5752204 Antenna assembly for radiotelephonic device
05/12/1998US5751252 Method and antenna for providing an omnidirectional pattern
05/12/1998US5751247 Fixed earth station
05/12/1998CA2140360C A leaky waveguide structure and method of manufacturing the same
05/06/1998EP0840268A2 FM multiple signal receivable navigation apparatus
05/05/1998US5748619 Communication network providing wireless and hard-wired dynamic routing
05/05/1998US5748146 Parallax induced polarization loss to reduce sidelobe levels
04/1998
04/30/1998WO1998018178A1 Tilted element antenna having increased effective aperture and method therefor
04/30/1998WO1998018175A1 Antenna system for portable radiotelephone station
04/29/1998CN2280356Y Double layer amplifier antenna
04/28/1998US5745084 Very small aperture terminal & antenna for use therein
04/28/1998US5745083 Slotted leaky waveguide array antenna and a method of manufacturing the same
04/28/1998US5745079 Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna
04/28/1998US5745078 Method and apparatus for radio location
04/28/1998US5745076 Transmit/receive module for planar active apertures
04/23/1998WO1998016969A1 Transmitter and receiver module for a phase controlled antenna
04/23/1998WO1998016966A1 Broad band dipole element and array
04/23/1998DE19740254A1 Radio antenna arrangement e.g. for GSM
04/23/1998DE19642681A1 Sende/Empfangsmodul für eine phasengesteuerte Antenne Transmitting / receiving module for a phased array antenna
04/22/1998EP0837521A2 Radio antenna array and patch antenna on a motor vehicle window
04/21/1998US5742258 Low intermodulation electromagnetic feed cellular antennas
04/21/1998US5742253 System and method for controlling the phase of an antenna array
04/16/1998DE19742084A1 Vorrichtung für eine Antenne Apparatus for an antenna
04/14/1998US5740366 Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
04/14/1998US5740164 Traffic routing for satellite communication system
04/14/1998US5739784 Method and beam stepping apparatus for a satellite cellular communication system
04/14/1998CA2030886C Microstrip antenna of two-frequency separate-feeding type for circularly polarized waves
04/09/1998WO1998015031A1 A multi resonant radio antenna
04/09/1998WO1998015030A1 Microstrip antenna with control of the direction of the axis of maximum radiation
04/08/1998EP0835033A2 Hand-held mobile phone terminal
04/08/1998EP0834955A2 Feed networks for antennae
04/08/1998EP0834164A1 Directional antenna configuration for asset tracking system
04/07/1998US5736959 Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas
04/01/1998EP0833404A2 An antenna array
03/1998
03/31/1998US5734354 Flat plate antenna
03/31/1998US5734352 Multiband antenna system
03/31/1998US5734345 Antenna system for controlling and redirecting communications beams
03/31/1998CA2133038C Plane array antenna for receiving satellite broadcasting
03/26/1998WO1998012848A1 Interference mitigation by joint detection of cochannel signals
03/26/1998WO1998012571A1 Position determination using multiple base station signals
03/25/1998EP0831554A1 Method for the positioning of electromagnetic receivers or transmitters in an array
03/25/1998EP0831553A2 Antenna device
03/25/1998EP0831552A2 Array antenna, antenna device with the array antenna and antenna system employing the antenna device
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