Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
12/2003
12/11/2003DE20312906U1 Electromagnetic wave transmitter/receiver feed device has two triangular electrically conducting elements joined at open points, parasitic director elements parallel to legs opposite supply point
12/10/2003EP1368855A1 Antenna arrangement
12/10/2003EP1368854A2 Wide-band modular mems phased array
12/10/2003CN1461504A Mobile radio device
12/10/2003CN1461159A Radio transmitting and receiving system
12/10/2003CN1130797C Flat antenna
12/09/2003US6661405 Electrographic position location apparatus and method
12/09/2003US6661388 Four element array of cassegrain reflector antennas
12/09/2003US6661384 Mirror surface accuracy measuring device and mirror surface control system of reflector antenna
12/09/2003US6661378 Active high density multi-element directional antenna system
12/09/2003US6661375 Beam steering in sub-arrayed antennae
12/09/2003US6661372 Client-server based remote locator device
12/04/2003WO2003100906A2 Broadband i-slot microstrip patch antenna
12/04/2003WO2003100456A1 Device for transmitting and receiving radar radiation
12/04/2003US20030222831 Three-dimensional spatial division multiplexing access (3D-SDMA) antenna system
12/04/2003US20030222830 Single or dual polarized molded dipole antenna having integrated feed structure
12/04/2003US20030222826 Multi-band, low-profile, capacitively loaded antennas with integrated filters
12/04/2003US20030222824 Planar antennas of the slot type
12/04/2003US20030222823 Integrated dual-band antenna for laptop applications
12/03/2003EP1367673A1 Improvement to planar antennas of the slot type
12/03/2003EP1367672A1 A single or dual polarized molded dipole antenna having integrated feed structure
12/03/2003EP1367671A2 Multi-band meander line antenna
12/03/2003EP1366542A1 Enhancement of the field pattern of a device for transferring electromagnetic waves
12/03/2003EP1366541A1 Antenna for a receiver and/or transmitter, especially a roof antenna for motor vehicles
12/03/2003EP1064697B1 Phased array antenna calibration system and method using array clusters
12/03/2003CN1460226A Noncontact IC card
12/03/2003CN1459990A Microchip double frequency band aerial
12/02/2003US6657600 Device for the reception and/or the transmission of electromagnetic signals with radiation diversity
12/02/2003US6657581 Automotive lane changing aid indicator
12/02/2003US6657577 Radar plant and measurement technique for determination of the orientation and the depth of buried objects
12/02/2003US6657543 Tracking method and system, as for an exhibition
12/02/2003US6657523 Stacked radio-frequency module
12/02/2003US6657393 Vehicle lamp having light sources with LEDs arranged in two groups
12/02/2003CA2335671C Sheet-metal antenna
12/02/2003CA2331367C Broad band patch antenna
11/2003
11/27/2003WO2003098943A1 Multi-sectored antenna and radio frequency switch therefor
11/27/2003WO2003098743A1 Wideband antenna array
11/27/2003WO2003098742A1 Hollow waveguide sector antenna
11/27/2003WO2003098741A1 Millimetre-wave illumination source
11/27/2003WO2003098738A2 Array of dielectric resonator antennas
11/27/2003WO2003098737A1 Improvements relating to attaching dielectric resonator antennas to microstrip lines
11/27/2003WO2003098736A1 A single beamforming structure for multiple modulation schemes
11/27/2003WO2003098734A2 Antenna for array applications
11/27/2003WO2003098733A2 Dielectric antenna array feed mechanism
11/27/2003WO2003098168A1 Planar antenna and antenna system
11/27/2003WO2003052449A3 Back-up aid indicator
11/27/2003US20030218576 Passive anti-jamming antenna system
11/27/2003US20030218575 Plasma phased array electronic scan antenna
11/27/2003US20030218571 Planar antenna having linear and circular polarization
11/27/2003US20030218569 Radio direction and position finding apparatus
11/27/2003US20030218566 Amplitude and phase-controlled antennas-subsystem
11/27/2003CA2485646A1 Antenna for array applications
11/26/2003EP1365477A1 Antenna
11/26/2003EP1365476A1 Antenna device
11/26/2003EP1365475A1 Multi-band antenna using an electrically short cavity reflector
11/26/2003EP1365474A2 Antenna transmission and reception system
11/26/2003EP1365472A1 Antenna controller and controlling method
11/26/2003EP1364465A2 Method and apparatus for use of gps and cellular antenna combination
11/26/2003EP1364429A1 Reflector and antenna system containing reflectors
11/25/2003US6653988 Parallel resonance whirl antenna
11/25/2003US6653985 Microelectromechanical phased array antenna
11/25/2003US6653984 Electronically scanned dielectric covered continuous slot antenna conformal to the cone for dual mode seeker
11/25/2003US6653982 Flat antenna for mobile satellite communication
11/25/2003US6653977 Wireless handset
11/20/2003WO2003096480A1 Methods and apparatus for radar signal reception
11/20/2003WO2003096479A1 Array antenna
11/20/2003WO2003096291A2 Rfid antenna apparatus and system
11/20/2003WO2003039047A3 Polarization and spatial diversity antenna assembly for wireless communication devices
11/20/2003WO2003009752A3 Electromagnetic sensors for biological tissue applications
11/20/2003US20030214454 Modular antenna system
11/20/2003US20030214453 Wireless loop antenna battery saver
11/20/2003US20030214452 Radio frequency isolation card
11/20/2003US20030214450 Wideband antenna array
11/20/2003US20030214447 Antenna system
11/20/2003US20030214446 Diversity gain antenna
11/20/2003US20030214445 Array planar antenna structure
11/20/2003US20030214443 Dual-element microstrip patch antenna for mitigating radio frequency interference
11/20/2003US20030214441 Microchip dual band antenna
11/20/2003US20030214439 Low cross-polarization microstrip array
11/20/2003US20030214438 Broadband I-slot microstrip patch antenna
11/20/2003DE20314442U1 Antenna for motor vehicle terrestrial and satellite radio reception, has crossed dipole antenna arranged at one end of baseplate, and monopole at other end
11/20/2003CA2485949A1 Methods and apparatus for radar signal reception
11/19/2003EP1363355A2 Microchip dual band antenna
11/19/2003EP1363352A1 Vehicle antenna system with fiber-optic signal transmission
11/19/2003EP1362489A1 Wireless local loop antenna
11/19/2003EP1362488A1 External antenna for a wireless local loop system
11/19/2003EP1362389A1 Dielectric resonator antenna with mutually orthogonal feeds
11/19/2003EP1362387A1 Cellular base station antenna
11/19/2003CN1457613A Antenna system for wireless information device
11/19/2003CN1457532A ANtenna controller and controlling method
11/19/2003CN1457531A Antenna arrangement
11/19/2003CN1457528A Antenna arrangement and portable radio communication device
11/19/2003CN1457382A Fracturing different levels within completion interval of well
11/19/2003CN1457205A Multiplex transmission method and device for multiple elements feeding of antenna array
11/18/2003US6650911 Sectored array antenna CDMA system for improved softer handoff
11/18/2003US6650300 Common aperture UHF/horizontally polarized low-and mid-band VHF antenna
11/18/2003US6650299 Antenna apparatus
11/18/2003US6650291 Multiband phased array antenna utilizing a unit cell
11/18/2003US6650290 Broadband, low loss, modular feed for phased array antennas
11/18/2003US6650289 Point to point communication system with parallel links