Patents
Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053)
04/2001
04/12/2001WO2001026182A1 Antenna means
04/12/2001WO2001026181A1 Single and multiband quarter wave resonator
04/12/2001WO2001026177A1 Patch antenna
04/12/2001WO2000016439A3 Antenna which can be operated in several frequency bands
04/12/2001DE19947798A1 Passive antenna reflection amplifier has square transponder patch antenna coupled to lambda resonator arranged in parallel with patch antenna and at defined distance from it
04/11/2001EP1091445A2 Antenna apparatus and communication system
04/11/2001EP1091444A2 Planar antenna for motor-vehicles
04/11/2001EP1090439A1 Tuneable antenna with separate radiators and its manufacturing process
04/11/2001EP1090308A1 Device for position determination by means of radio waves
04/11/2001EP1031236A4 Wireless receiving subsystem with antenna and switchable amplifier
04/11/2001CN1291365A Duel polarized dipole radiator
04/11/2001CN1291363A Dual frequency band diversity antenna having papasitic rediating element
04/11/2001CN1291362A Antenna device for dual frequency bands
04/11/2001CN1291360A Substrate antenna incorporating an element preventing the coupling of energy between antenna and conductors
04/10/2001US6215984 Luminous antenna and radiocommunication equipment comprising such an antenna
04/10/2001US6215456 Antenna unit and radio receiver device
04/10/2001US6215451 Dual-band glass-mounted antenna
04/10/2001US6215448 Broadband coupler for measurement of antenna signals
04/10/2001US6215447 Antenna assembly for communications devices
04/10/2001CA2265948C Antenna system for an rf data communications device
04/05/2001WO2001024314A1 Dual-band microstrip antenna
04/05/2001WO2001024312A1 Mechanically adjustable phase-shifting parasitic antenna element
04/05/2001WO2001024311A1 An antenna device arranged to be connected to a piece of electric equipment
04/05/2001WO2001024309A1 Antenna device for high frequency radio, high frequency radio apparatus and watch type radio apparatus
04/05/2001WO2001024109A1 Low cost long distance rfid reading
04/05/2001DE19943276A1 Mobile telephone has main body, pivotable cover attached to lower end of main body and antenna in form of copper pattern formed on inner surface of cover by printing and etching
04/05/2001DE19943118A1 Mobile Funk-Sende-/Funk-Empfangseinrichtung mit abstimmbarer Antenne Mobile radio transmission / radio receiving device with tunable antenna
04/05/2001CA2383647A1 Mechanically adjustable phase-shifting parasitic antenna element
04/04/2001EP1088366A1 Antenna for mobile communications
04/04/2001EP1088363A1 Device for fixing a rod antenna
04/04/2001CN1290412A Multiple band, mutiple branch antenna for mobile phone
04/04/2001CN1064181C Method and apparatus for multi-position antenna
04/03/2001US6211846 Antenna system for radio direction-finding
04/03/2001US6211840 Crossed-drooping bent dipole antenna
04/03/2001US6211833 Parking aid
04/03/2001US6211829 High-efficient compact antenna means for a personal telephone with a small receiving depth
04/03/2001US6211827 Antenna for radio transmitter and receiver
04/03/2001US6211826 Antenna device and portable radio using the same
04/03/2001US6211825 Dual-notch loaded microstrip antenna
04/03/2001US6211824 Microstrip patch antenna
04/03/2001US6211823 Left-hand circular polarized antenna for use with GPS systems
04/03/2001US6211751 Microstrip broadband balun with four ground plates
03/2001
03/29/2001WO2001022528A1 Multilevel antennae
03/29/2001WO2001022527A1 Antenna device for a radio communications device
03/28/2001EP1086509A1 Antenna arrangement and radio device
03/28/2001EP1086444A1 Identification tag with enhanced security
03/28/2001CN1289465A Rigid and flexible flat antenna
03/28/2001CN1289157A Plane antenna structure
03/27/2001US6208874 Telephone assembly with automatic antenna adjustment
03/27/2001US6208311 Dipole antenna for use in wireless communications system
03/27/2001US6208306 Compact, broadband antennas based on folded, top-loaded broadband dipoles with high-pass tuning elements
03/27/2001US6208298 Planar array antenna
03/27/2001CA2256342C Highly isolated multiple frequency band antenna
03/22/2001WO2001020721A1 Antenna for receiving satellite signals and terrestrial signals and antenna modification device
03/22/2001WO2001020718A1 Antenna arrangement
03/22/2001WO2001020716A1 Antenna arrangement and a method for reducing size of a whip element in an antenna arrangement
03/22/2001WO2001020714A1 Broadband or multi-band planar antenna
03/22/2001WO2001020712A2 Low profile tunable antenna
03/21/2001EP1085597A2 Antenna package for a wireless communications device
03/21/2001EP1085595A2 Surface-mounted antenna and communication apparatus using same
03/21/2001CN1288272A Antenna package used for radio communication device
03/20/2001US6204826 Flat dual frequency band antennas for wireless communicators
03/20/2001US6204825 Hybrid printed circuit board shield and antenna
03/20/2001US6204824 Collapsible folded dipole antenna
03/20/2001US6204819 Convertible loop/inverted-f antennas and wireless communicators incorporating the same
03/20/2001US6204817 Radio communication device and an antenna system
03/20/2001US6204816 Radio frequency antenna
03/20/2001US6204814 Planar emitter
03/15/2001WO2001019075A2 Method and apparatus for reducing multipath distortion in a television signal
03/15/2001WO2001018910A1 Antenna
03/15/2001WO2001018907A1 Mobile radio transmitting/receiving device comprising a tunable antenna
03/15/2001WO2001018906A1 Antenna with special lobe pattern for use with global positioning systems
03/15/2001WO2001018904A1 Tunnel antenna
03/15/2001WO2001018903A2 Mobile radio telephone antenna comprising an integrated functional unit
03/15/2001WO2001018749A2 Radio frequency identification tags and labels
03/15/2001WO2001018358A1 Rotating radio frequency transmission system
03/14/2001EP1083624A2 Planar antenna structure
03/14/2001EP1082780A1 Antenna
03/14/2001EP1082779A1 High efficiency, multi-band antenna for a radio communication device
03/14/2001CN1287697A Patch antenna
03/14/2001CN1287696A 天线适配器 Antenna adapter
03/13/2001US6201801 Polarization diversity phased array cellular base station and associated methods
03/13/2001US6201514 Stereoscopic antenna
03/13/2001US6201513 Compact low phase error antenna for the global positioning system
03/13/2001US6201510 Self-contained progressive-phase GPS elements and antennas
03/13/2001US6201509 Coaxial continuous transverse stub element device antenna array and filter
03/13/2001US6201502 Antenna device and communication apparatus including the same
03/13/2001US6201501 Antenna configuration for a mobile station
03/13/2001US6201500 Dual frequency antenna device
03/08/2001WO2001017064A1 Compact planar inverted f antenna
03/08/2001WO2001017063A1 Semi built-in multi-band printed antenna
03/08/2001WO2001017061A1 Multiband antenna
03/08/2001WO2001017060A1 Flexible antenna radiator
03/08/2001DE19942217A1 Antenna curtain to read transponders on goods unloaded from lorry with antenna in each band making up curtain
03/07/2001CN1286508A Plane antenna structure
03/06/2001US6198943 Parasitic dual band matching of an internal looped dipole antenna
03/06/2001US6198450 Dielectric resonator antenna for a mobile communication
03/06/2001US6198445 Conformal load bearing antenna structure
03/06/2001US6198442 Multiple frequency band branch antennas for wireless communicators
03/06/2001US6198440 Dual band antenna for radio terminal