Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
09/2002
09/05/2002US20020122008 Antenna including integrated filter
09/05/2002US20020122006 Conformal box antenna
09/05/2002DE10163793A1 Antenna for mobile satellite communication in vehicle, has positions of impedance connection point, antenna connection point, impedance coupled to impedance connection point selected to satisfy predetermined condition
09/04/2002EP1237289A2 Mobile communications device
09/04/2002EP1237225A1 An antenna array
09/04/2002EP1236245A1 Multi-beam antenna
09/04/2002EP1236243A1 Content-based adaptive array antenna system with parasitic elements
09/04/2002EP1235708A2 Microwave blade tracker
09/04/2002EP0755578B1 Multiple beamwidth phased array
09/04/2002CN1367945A Low-height, low-cost, high-gain antenna and system for mobile platforms
09/04/2002CN1090391C Antenna coupling apparatus, external-antenna connecting apparatus, and onboard external-antenna connecting apparatus
09/04/2002CN1090390C Non-aqueous electrolyte secondary battery
09/03/2002US6445926 Use of sectorized polarization diversity as a means of increasing capacity in cellular wireless systems
09/03/2002US6445904 Repeater diversity system
09/03/2002US6445357 Method and apparatus for exciting a television antenna using orthogonal modes
09/03/2002US6445354 Aperture coupled slot array antenna
09/03/2002US6445346 Planar polarizer feed network for a dual circular polarized antenna array
09/01/2002CA2373645A1 An antenna array
08/2002
08/29/2002WO2002067377A1 Method and system for increasing rf bandwidth and beamwidth in a compact volume
08/29/2002WO2002067374A1 Cellular base station antenna
08/29/2002WO2002067373A1 Antenna systems including internal planar inverted-f antennas coupled with retractable antenna and wireless communicators incorporating same
08/29/2002WO2002067372A1 Antenna apparatus and communication apparatus using the same
08/29/2002WO2002031908A3 Indoor antenna
08/29/2002US20020119808 Mobile communications device
08/29/2002US20020119790 Method and apparatus for using position location to direct narrow beam antennas
08/29/2002US20020118142 Dual-band meandering-line antenna
08/29/2002US20020118138 Flat antenna for mobile satellite communication
08/29/2002US20020118137 Phased array communication system providing airborne crosslink and satellite communication receive capability
08/29/2002US20020118075 Impedance matching circuit and antenna apparatus using the same
08/29/2002CA2438459A1 Method and system for increasing rf bandwidth and beamwidth in a compact volume
08/28/2002EP1235299A1 Mobile satellite communication terminal and method for using the same
08/28/2002EP1234351A1 An antenna device, a communication device comprising such an antenna device and a method of operating the communication device
08/28/2002EP0818059B1 Wide antenna lobe
08/28/2002CN2508503Y Wave beam downdip wide band omnidirectional center-fed colinear antenna array
08/28/2002CN1366723A Portable telephone apparatus and control metho thereof
08/27/2002US6442400 Portable electronic communication device with dual-band antenna system
08/27/2002US6441796 High power quadrapole FM ring antenna for broadband multiplexing
08/27/2002US6441792 Low-profile, multi-antenna module, and method of integration into a vehicle
08/27/2002US6441791 Glass antenna system for mobile communication
08/27/2002US6441790 System and method for providing a quasi-isotropic antenna
08/22/2002WO2002065799A1 Control device for an antenna subsystem in a base station for mobile telephony
08/22/2002WO2002065578A2 Wide-band modular mems phased array
08/22/2002WO2002023674A3 Thick film millimeter wave transceiver module
08/22/2002US20020113750 Antenna control system
08/22/2002US20020113749 Polarisation control of parabolic antennas
08/22/2002US20020113748 Method and apparatus for wireless communication utilizing electrical and magnetic polarization
08/22/2002US20020113744 Low sidelobe contiguous-parabolic reflector array
08/22/2002US20020113743 Combination directional/omnidirectional antenna
08/22/2002US20020113742 Directional set of antennas fixed on a flexible support
08/22/2002US20020113741 Transmitter, computer system, and opening/closing structure
08/22/2002US20020113737 Dual band printed antenna
08/22/2002US20020113731 Satellite communciation antenna array
08/22/2002US20020113709 Method and apparatus for improving the interrogation range of an RF-Tag
08/22/2002CA2438384A1 Wide-band modular mems phased array
08/21/2002EP1233473A2 Phased array beamformer module driving two elements
08/21/2002EP1233426A2 Antennas with conductive plastics or conductive composites
08/21/2002EP1233367A2 Antenna apparatus
08/21/2002EP1232661A1 Communications system load control methods and apparatus
08/21/2002EP1232538A1 Steerable-beam multiple-feed dielectric resonator antenna of various cross-sections
08/21/2002EP1232401A1 Quadripole antenna used in a nmr system
08/21/2002CN1365526A Antenna arrangement
08/20/2002US6437750 Electrically-small low Q radiator structure and method of producing EM waves therewith
08/20/2002US6437740 Single receiver wireless tracking system
08/20/2002US6437738 Hexagonal-annulus phased array antenna for radar wind profiling on moving platforms
08/20/2002US6437737 Antenna data compression using multi-dipole antenna
08/15/2002WO2002063904A1 Antenna system for a wireless information device
08/15/2002WO2002063896A1 Wireless local loop antenna
08/15/2002WO2002063895A1 External antenna for a wireless local loop system
08/15/2002WO2002063783A2 Method and apparatus for use of gps and cellular antenna combination
08/15/2002WO2002063712A1 Wireless terminal with a plurality of antennas
08/15/2002US20020111194 Laptop wireless systems integrated with an LCD panel
08/15/2002US20020111192 Integrated active antenna for multi-carrier applications
08/15/2002US20020111174 Method and apparatus for using position location to direct narrow beam antennas
08/15/2002US20020111149 Vehicle antenna apparatus
08/15/2002US20020111147 System for a mobile radio system having a base station and an antenna device
08/15/2002US20020109638 Array antenna system
08/15/2002US20020109637 Antenna apparatus
08/15/2002US20020109636 Omnidirectional RFID antenna
08/15/2002US20020109634 Low cost antennas using conductive plastics or conductive composites
08/15/2002US20020109633 Low cost microstrip antenna
08/15/2002US20020109630 Hexagonal-annulus phased array antenna for radar wind profiling on moving platforms
08/15/2002US20020109497 Electromagnetic probe
08/15/2002CA2471305A1 Wireless local loop antenna
08/15/2002CA2471303A1 External antenna for a wireless local loop system
08/14/2002EP1231672A2 Vehicle antenna apparatus
08/14/2002EP1064568A4 An interrogator for interrogating an rfid
08/14/2002EP0824801B1 Method and apparatus for polarization diversity in a base station using antenna arrays
08/14/2002CN2505992Y Bipolar gap dipole array antenna
08/14/2002CN1364352A Matrix antenna surface station device
08/14/2002CN1364327A Folded dual frequency band antennas for wireless communicators
08/14/2002CN1364326A Multiple frequency band branch antennas for wirelsss communicators
08/14/2002CN1363968A Flat antenna and double frequency bands emitter therewith
08/13/2002US6433754 Phased array including a logarithmic spiral lattice of uniformly spaced radiating and receiving elements
08/13/2002US6433749 Antenna assembly
08/13/2002US6433745 Surface-mounted antenna and wireless device incorporating the same
08/13/2002US6433742 Diversity antenna structure for wireless communications
08/13/2002US6431451 Hand-held data capture system with interchangeable modules
08/13/2002US6430805 Method of fabricating a true-time-delay continuous transverse stub array antenna
08/08/2002WO2002061994A1 Adaptive, multi-rate waveform and frame structure for a synchronous ds-cdma system
08/08/2002WO2002061882A1 Reflector and antenna system containing reflectors