H01Q 21 - Aerial arrays or systems

Patents for H01Q 21 - Aerial arrays or systems (25,127)
03/2004
03/25/2004	US20040056820 Wideband cavity-backed antenna
03/25/2004	US20040056818 Dual polarised antenna
03/25/2004	US20040056815 Wideband cavity-backed antenna
03/25/2004	US20040056814 Dual-polarization common aperture antenna with rectangular wave-guide fed centeredlongitudinal slot array and micro-stripline fed air cavity back transverse series slot array
03/25/2004	US20040056812 Multifunction antenna
03/25/2004	US20040056809 Antenna for a receiver and/or transmitter, especially a roof antenna for motor vehicles
03/25/2004	US20040056801 Cavity embedded meander line loaded antenna
03/25/2004	CA2473099A1 Phased array antenna including archimedean spiral element array and related methods
03/24/2004	EP1399989A1 Method and apparatus for transmitting signals via an active sampler antenna
03/24/2004	EP1399988A1 Antenna for portable wireless communication apparatuses
03/24/2004	EP0927362B1 Position determination using multiple base station signals
03/24/2004	CN2607673Y Bipolar radiator
03/24/2004	CN1484875A 分布天线系统 Distributed antenna system
03/24/2004	CN1484450A Quick digital channel switching
03/24/2004	CN1143453C Diversity aerial system and mobile communication terminal
03/24/2004	CN1143452C Antenna-gain diversity
03/24/2004	CA2440498A1 Wideband cavity-backed antenna
03/24/2004	CA2438962A1 Wideband cavity-backed antenna
03/24/2004	CA2438957A1 Wideband cavity-backed antenna
03/23/2004	CA2143276C Multishaped beam direct radiating array antenna
03/18/2004	WO2004023602A1 Reflector
03/18/2004	WO2003103087A3 Wideband printed monopole antenna
03/18/2004	WO2003061366A3 Inventory management system
03/18/2004	US20040053634 Adaptive pointing for use with directional antennas operating in wireless networks
03/18/2004	US20040051678 Antenna
03/18/2004	US20040051677 Dual-polarization antenna array
03/18/2004	US20040051675 Composite antenna
03/18/2004	US20040051672 Mobile telephone comprising a multi-band antenna
03/18/2004	US20040051669 Antenna arrangement and a portable radio communication device
03/18/2004	US20040051667 Microstrip patch array antenna for suppressing side lobes
03/18/2004	US20040051666 Low cost antennas using conductive plastics or conductive composites
03/18/2004	US20040051661 Combined receiver and transponder module
03/18/2004	US20040051599 Method and apparatus for producing time-delayed microwave signals
03/18/2004	US20040050551 Fracturing different levels within a completion interval of a well
03/17/2004	EP1398849A1 Method for generating arbitrary passive beam forming networks
03/17/2004	EP1398848A2 Laminated aperture antenna and multi-layered wiring board comprising the same
03/17/2004	EP1397844A1 Diversity antenna and method for controlling the same
03/16/2004	US6707433 Antenna device
03/16/2004	US6707432 Polarization control of parabolic antennas
03/16/2004	US6707426 Compact, vibration-resistant circularly polarized wave antenna
03/16/2004	US6707419 Radar transmitter circuitry and techniques
03/16/2004	CA2204298C Circularly symmetric, zero redundancy, planar array having broad frequency range applications
03/11/2004	WO2004021513A1 Reduction of near ambiguities
03/11/2004	WO2004021510A1 Antenna structures and their use in wireless communication devices
03/11/2004	WO2004021508A2 Frequency selective beam forming
03/11/2004	US20040046696 Enhancement of the field pattern of a device for transferring electromagnetic waves
03/11/2004	US20040045739 Mapping tool for tracking and/or guiding an underground boring tool
03/11/2004	CA2496757A1 Frequency selective beam forming
03/10/2004	EP1396906A1 Tunable multiband planar antenna
03/10/2004	EP1396166A1 A method for enabling a subscriber entity to actively communicate in a communication network
03/10/2004	EP1396049A1 Dual band dipole antenna structure
03/10/2004	EP1396048A1 Tunable dual band antenna system
03/10/2004	EP1396042A1 Antennas alignment method and device
03/10/2004	CN1481596A Dual polarisation antenna
03/10/2004	CN1481100A Method of time space solution for estimating wave diretion of maultiple paths signals in correlative CDMA and its device
03/10/2004	CN1481099A Method of matched filter bank for estimating wave direction of maultiple paths signals in CDMA and its device
03/10/2004	CN1481094A Adaptive beamforming method in wideband code division multiple access system
03/10/2004	CN1141853C Method and apparatus for providing redundant radio corerage within a vellular communication system
03/09/2004	US6704372 Digital implementation of multi-channel demodulators
03/09/2004	US6703984 Common aperture UHF/VHF high band slotted coaxial antenna
03/09/2004	US6703982 Conformal two dimensional electronic scan antenna with butler matrix and lens ESA
03/09/2004	US6703976 Scaleable antenna array architecture using standard radiating subarrays and amplifying/beamforming assemblies
03/09/2004	US6703975 Wideband perimeter configured interferometric direction finding antenna array
03/09/2004	US6703974 Antenna system having active polarization correlation and associated method
03/09/2004	US6703970 Beam forming network, a spacecraft, an associated system and a beam forming method
03/09/2004	US6703935 Antenna arrangement for RFID smart tags
03/09/2004	US6703596 Apparatus and system for imaging radio frequency electromagnetic signals
03/09/2004	US6703114 Laminate structures, methods for production thereof and uses therefor
03/04/2004	WO2004019451A1 Rlsa antenna having two orthogonal linear polarisations
03/04/2004	WO2004019449A1 Antenna
03/04/2004	WO2004019447A2 Antenna array including virtual antenna elements
03/04/2004	WO2004019443A1 Communication system with broadband antenna
03/04/2004	WO2004008570A3 Antenna system with active spatial filtering surface
03/04/2004	US20040043795 Genetic algorithm-based adaptive antenna array processing method and system
03/04/2004	US20040041733 Adjustable planar antenna
03/04/2004	US20040041732 Multielement planar antenna
03/04/2004	DE10238213A1 Online Kalibrierung eines Radarsensors mit Gruppenantenne Online calibration of a radar sensor array antenna
03/04/2004	CA2496053A1 Communication system with broadband antenna
03/03/2004	EP1394563A1 Online calibration of a phased array antenna for radar
03/03/2004	EP1393409A2 Phased array antenna having stacked patch antenna element with single millimeter wavelength feed and microstrip quadrature-to-circular polarization circuit
03/03/2004	EP1393405A2 Allround aerial arrangement for receiving terrestrial and satellite signals
03/03/2004	EP1393098A2 A method and apparatus for identifying buried objects using ground penetrating radar
03/03/2004	EP1147603B1 Antenna system for radio frequency identification
03/03/2004	EP1127385B9 Method for producing radio-frequency wave receivers by interconnecting three dimensional integrated circuits
03/03/2004	CN1480005A Method and apparatus for using position location to direct narrow beam antennas
03/03/2004	CN1479958A Device for reception and/or transmission of multibeam signals
03/02/2004	US6701141 Mixed signal true time delay digital beamformer
03/02/2004	US6701137 Antenna system architecture
03/02/2004	US6700547 Multidirectional walkthrough antenna
03/02/2004	US6700542 Planar antenna
03/02/2004	US6700539 Dielectric-patch resonator antenna
03/02/2004	US6700526 Method and apparatus for identifying buried objects using ground penetrating radar
02/2004
02/26/2004	WO2004017462A1 Improvements relating to antenna isolation and diversity in relation to dielectric antennas
02/26/2004	WO2004017460A1 High-frequency wireless device with integrated antenna
02/26/2004	WO2004017459A1 Combination satellite and terrestrial antenna
02/26/2004	WO2004017454A1 Parallel plate waveguide structure
02/26/2004	WO2003065501A3 Phased array antenna system for satellite tracking
02/26/2004	US20040038714 Cellular Antenna
02/26/2004	US20040038660 RF front-end for dual-mode wireless LAN module
02/26/2004	US20040037052 Low-radiation mobile phone with two electromagnetic radiating sources

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