Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
03/2003
03/13/2003US20030050032 Information device incorporating wireless communication antenna
03/13/2003US20030048235 Monopole antenna having a wave-shaped metal plate
03/13/2003US20030048234 Antenna with a magnetic interface
03/13/2003US20030048232 Waveguide for a traveling wave antenna
03/13/2003US20030048230 Antenna control system
03/13/2003US20030048226 Antenna for array applications
03/13/2003US20030048223 Content-based adaptive parasitic array antenna system
03/13/2003DE20216431U1 Cellular base station antenna has radiators interconnected by transmission line and electromechanical phase adjustment system
03/13/2003CA2459387A1 Systems and methods for providing optimized patch antenna excitation for mutually coupled patches
03/12/2003EP1292013A2 Oscillator, transmitter/receiver module and radar system
03/12/2003EP1291974A1 High efficient and high power antenna system
03/12/2003EP1291973A1 A method for improving intelligent antenna array coverage
03/12/2003EP1291969A1 Switched slot antenna
03/12/2003EP1291968A1 Antenna and radio device comprising the same
03/12/2003EP1291966A1 Planar antenna for beam scanning
03/12/2003EP1291962A1 Array beamformer for spacecraft
03/12/2003EP1291960A2 Antenna with heat sink
03/12/2003EP1290758A1 Single feed, multi-element antenna
03/12/2003EP0950270B1 Method for integrating antennas in a distributed antenna system
03/11/2003US6531985 Integrated laptop antenna using two or more antennas
03/11/2003US6531980 Radar antenna system
03/11/2003CA2404504A1 High power and high efficiency antenna system
03/11/2003CA2145446C Antenna feed and beamforming network
03/06/2003WO2003019727A1 Scannable multi-beam antenna using dielectrically tunable phase shifters
03/06/2003WO2003019726A2 Conformal two dimensional electronic scan antenna with butler matrix and lens esa
03/06/2003WO2003019723A1 Adjustable antenna feed network with integrated phase shifter
03/06/2003WO2003019720A1 Microstrip phase shifter
03/06/2003WO2003019717A2 Dual mode switched beam antenna
03/06/2003WO2003019228A1 Maritime radar transponder
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003US20030043086 Antenna system and RF signal interference abatement method
03/06/2003US20030043085 Electronically scanned dielectric covered continuous slot antenna conformal to the cone for dual mode seeker
03/06/2003US20030043084 Slotted bow tie antenna with parasitic element, and slotted bow tie array antenna with parasitic element
03/06/2003US20030043081 Circuit board and SMD antenna for this
03/06/2003US20030043077 Apparatus for generating a magnetic interface and applications of the same
03/06/2003US20030043076 Method and system for producing dual polarization states with controlled RF beamwidths
03/06/2003US20030043074 Four-part patch antenna
03/06/2003US20030043071 Electro-mechanical scanned array system and method
03/06/2003US20030043068 Beam forming network, a spacecraft, an associated system and a beam forming method
03/06/2003US20030043067 Ground penetrating radar array and timing circuit
03/06/2003US20030042988 Oscillator, transmitter/receiver module and radar system
03/06/2003US20030042144 Multilayer coating of copper and silver, nickel alloy
03/06/2003DE20220086U1 Broadband crossed dipole antenna has bent sheet metal construction
03/06/2003CA2457913A1 Adjustable antenna feed network with integrated phase shifter
03/05/2003EP1289352A2 High-frequency circuit device and method for manufacturing the same
03/05/2003EP1289061A2 Antenna system
03/05/2003EP1289060A2 Low cost communication phased array antenna
03/05/2003EP1289059A2 Dual-band reflector antenna using dual-band feed horns and equal up-link and down-link beamwidths
03/05/2003EP1289057A1 Adaptive array device, wireless base station and cellular telephone
03/05/2003EP1289055A1 Device for receiving and/or emitting signals with radiation diversity
03/05/2003EP1289053A2 Circuit board and SMD-antenna thereof
03/05/2003EP1287588A1 Planar antenna with switched beam diversity for interference reduction in a mobile environment
03/05/2003EP1287380A2 Ground penetrating radar array and timing circuit
03/05/2003EP1287374A2 Wireless locating and tracking systems
03/05/2003EP1090441A4 Low power switched diversity antenna system
03/05/2003CN1401158A Multiple band wireless telephone with multiple antennas
03/05/2003CN1400686A Planar antenna and its making process
03/05/2003CN1400513A Radio antenna installing electronic equipment and method
03/04/2003US6529745 Radio wave arrival direction estimating antenna apparatus
03/04/2003US6529174 Arrangement relating to antennas and a method of manufacturing the same
03/04/2003US6529172 Dual-polarized radiating element with high isolation between polarization channels
03/04/2003US6529171 Vertical polarization antenna
03/04/2003US6529170 Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array
03/04/2003US6529167 Antenna with integrated feed and shaped reflector
03/04/2003US6529166 Ultra-wideband multi-beam adaptive antenna
03/04/2003US6529158 Aperture synthesis radiometer and method of controlling same
03/04/2003US6528719 Space photovoltaic power generation method and system
02/2003
02/28/2003CA2396265A1 Dual-band equal-beam reflector antenna system
02/27/2003WO2003017425A1 Modular bi-polarized antenna
02/27/2003WO2003017424A1 Waveguide antennas
02/27/2003WO2003017422A1 Phased array antennas incorporating voltage-tunable phase shifters
02/27/2003WO2003017421A2 Vehicle windshield with fractal antenna(s)
02/27/2003WO2003017419A1 End-fire cavity slot antenna array structure and method of forming
02/27/2003WO2003017418A1 Distribution system for antenna array
02/27/2003WO2003016943A1 Near object detection system
02/27/2003US20030038752 Conformal two dimensional electronic scan antenna with butler matrix and lens ESA
02/27/2003US20030038748 Dynamic multi-beam antenna using dielectrically tunable phase shifters
02/27/2003CA2458109A1 End-fire cavity slot antenna array structure and method of forming
02/26/2003EP1286477A1 Portable receiver with two antennas
02/26/2003EP1286416A1 Antenna closing and phase-shifting
02/26/2003EP1286414A1 Roof-mounted multifunctional car antenna
02/26/2003EP1286179A2 Method of interrogating a radio frequency identification device
02/26/2003CN2538075Y Intelligent antenna array structure
02/26/2003CN1399843A Method and apparatus for reducing multipath distortion in television signal
02/26/2003CN1399480A 天线控制系统 Antenna Control System
02/26/2003CN1399374A Socket, socket assembly and method
02/25/2003US6525697 Archimedes spiral array antenna
02/25/2003US6525696 Dual band antenna using a single column of elliptical vivaldi notches
02/20/2003WO2003015308A1 Portable receiver with two antennae
02/20/2003WO2003015214A1 Microstrip antenna employing width discontinuities
02/20/2003WO2003015212A1 Partially deployed active phased array antenna system
02/20/2003WO2003014812A2 Semiconductor structures and polarization modulator devices
02/20/2003WO2002082581A3 Transmit network for a cellular base-station
02/20/2003US20030036713 Detection of fluids in tissue
02/20/2003US20030036674 Electromagnetic sensors for biological tissue applications and methods for their use
02/20/2003US20030035537 Multi-sectioned keypad for wrist devices
02/20/2003US20030034929 Device for receiving and/or emitting signals with radiation diversity
02/20/2003US20030034926 Vehicle windshield with fractal antenna(s)
02/20/2003US20030034921 Modular mobile terminal for satellite communication
02/20/2003US20030034920 Microstrip antenna employing width discontinuities