Patents
Patents for H01Q 5 - Arrangements for simultaneous operation of aerials on two or more different wavebands (11,466)
04/2001
04/25/2001CN1292584A Wireless device and communication system
04/24/2001US6222505 Composite antenna apparatus
04/24/2001US6222493 Device for transmitting and receiving microwaves subjected to circular polarization
04/24/2001US6222492 Dual coaxial feed for tracking antenna
04/19/2001WO2001028038A1 Antenna
04/19/2001WO2001028035A1 Compact dual narrow band microstrip antenna
04/19/2001WO2001028033A1 Portable antenna
04/19/2001DE19923524C1 Antenna, for mobile transmitters/receivers working with different frequencies, comprises two body sections with mounting and geometric surface structures using injection molding and surface coating
04/18/2001EP1093187A2 Low profile broad band monopole antenna with inductive/resistive networks
04/17/2001US6219008 Antenna connector for radio communication equipment
04/17/2001US6218997 Antenna for a plurality of radio services
04/17/2001US6218990 Radiocommunication device and a dual-frequency microstrip antenna
04/12/2001WO2001026182A1 Antenna means
04/12/2001WO2001025817A2 System for determining item orientation and identification
04/12/2001WO2000016439A3 Antenna which can be operated in several frequency bands
04/12/2001CA2386159A1 System for determining item orientation and identification
04/11/2001EP1091445A2 Antenna apparatus and communication system
04/11/2001EP1090437A1 Antenna, use of an antenna of this type and method for producing the same
04/11/2001CN1291363A Dual frequency band diversity antenna having papasitic rediating element
04/11/2001CN1291360A Substrate antenna incorporating an element preventing the coupling of energy between antenna and conductors
04/11/2001CN1290975A Antenna device
04/10/2001US6215451 Dual-band glass-mounted antenna
04/05/2001WO2001024314A1 Dual-band microstrip antenna
04/04/2001EP1089377A2 Antenna apparatus
04/04/2001EP1088367A1 Helix antenna
04/04/2001EP1088365A1 Multiband vehicle antenna
04/04/2001CN1290412A Multiple band, mutiple branch antenna for mobile phone
04/03/2001US6211841 Multi-band cellular basestation antenna
04/03/2001US6211825 Dual-notch loaded microstrip antenna
03/2001
03/29/2001WO2001022530A1 Hybrid inflatable antenna
03/29/2001WO2001022528A1 Multilevel antennae
03/29/2001WO2001022527A1 Antenna device for a radio communications device
03/29/2001DE10038831A1 Multiple band antenna for mounting on glass etc dielectric surfaces for use in PDS, CDMA, TDMA, AMPS and GSM systems has dielectric insulator disposed intermediate conductive elements
03/28/2001EP1087463A2 A multi-pattern antenna having independent controllable antenna pattern characteristics
03/28/2001EP1086509A1 Antenna arrangement and radio device
03/28/2001CN1289465A Rigid and flexible flat antenna
03/28/2001CN1289157A Plane antenna structure
03/27/2001US6208312 Multi-feed multi-band antenna
03/27/2001US6208309 Dual depth aperture chokes for dual frequency horn equalizing E and H-plane patterns
03/27/2001US6208299 Dual band antenna arrangement
03/27/2001US6208288 Millimeter wave all azimuth field of view surveillance and imaging system
03/27/2001CA2256342C Highly isolated multiple frequency band antenna
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
03/21/2001EP1085595A2 Surface-mounted antenna and communication apparatus using same
03/20/2001US6204826 Flat dual frequency band antennas for wireless communicators
03/20/2001US6204822 Multibeam satellite communication antenna
03/15/2001WO2001018910A1 Antenna
03/14/2001EP1083626A2 Compact frequency selective reflector antenna
03/14/2001EP1083624A2 Planar antenna structure
03/14/2001EP1082782A1 Dual polarised multi-range antenna
03/14/2001EP1082779A1 High efficiency, multi-band antenna for a radio communication device
03/14/2001EP1082778A2 Multibeam satellite communication antenna
03/13/2001US6201500 Dual frequency antenna device
03/08/2001WO2001017063A1 Semi built-in multi-band printed antenna
03/08/2001WO2001017061A1 Multiband antenna
03/07/2001CN1286816A Dual band antenna
03/07/2001CN1286508A Plane antenna structure
03/06/2001US6198943 Parasitic dual band matching of an internal looped dipole antenna
03/06/2001US6198449 Multiple beam antenna system for simultaneously receiving multiple satellite signals
03/06/2001US6198443 Dual band antenna for cellular communications
03/06/2001US6198442 Multiple frequency band branch antennas for wireless communicators
03/06/2001US6198440 Dual band antenna for radio terminal
03/06/2001US6198439 Multifunction printed-circuit antenna
03/01/2001WO2001015270A1 A compact antenna for multiple frequency operation
03/01/2001WO2000065684A3 Antenna, use of an antenna of this type and method for producing the same
03/01/2001DE19940470A1 Multi-band radiator system with sector characteristic e.g. for mobile radio and mobile navigation applications, has ring-shaped plates or foils coupled by capacitive loading element
02/2001
02/28/2001EP1079463A2 Asymetric dipole antenna assembly
02/28/2001EP1079462A2 Planar antenna structure
02/28/2001EP1078424A1 Multiband antenna
02/28/2001EP1078419A1 Flip open antenna for a portable telephone
02/28/2001CN1285967A VHF/UHF self-tuning planar antenna system
02/28/2001CN1285966A Electromagnetic wave transmitter/receiver
02/28/2001CN1285965A Multi-primary radiator, down converter and multibeam antenna
02/28/2001CN1285964A Dual mode quadrifilar helix antenna and associated methods of operation
02/28/2001CN1285963A Antenna device for dual frequency bands
02/28/2001CN1285626A Asymmetric dipole antenna assembly
02/27/2001US6195065 Antenna with variable geometry
02/27/2001US6195062 Printed circuit board-configured dipole array having matched impedance-coupled microstrip feed and parasitic elements for reducing sidelobes
02/27/2001US6195048 Multifrequency inverted F-type antenna
02/21/2001EP1077505A2 On-vehicle antenna having wide frequency range
02/21/2001EP1076919A1 Multiple frequency band antenna
02/21/2001CN1284794A Diversity aerial system and mobile communication terminal
02/20/2001US6191755 Two-resonance helical antenna capable of suppressing fluctuation in electrical characteristic without restriction in size of a helical coil
02/20/2001US6191747 Dual band antenna
02/20/2001US6191740 Slot fed multi-band antenna
02/15/2001WO2001011899A1 Dual band antenna device
02/15/2001WO2001011721A1 Small sized multiple band antenna
02/15/2001WO2001011717A1 Antenna arrangement
02/15/2001DE19937343A1 Modular dual band radiator system with azimuthal omni-directional characteristic has two metal plates with circular strip-like conductor between them
02/15/2001DE19934867A1 Glashaftantenne Glass mount antenna
02/15/2001DE19923134A1 Miniturized hybrid radiator system for mobile wireless units comprises conductive plates or foils which are joined to one another by a conductive pin and are separated from one another by a dielectric disk
02/14/2001EP1076378A2 Helical antenna with connector and fabrication method of the same
02/14/2001CN1284215A VHF/UHF self-tuning planar antenna system
02/14/2001CN1283941A Laminated resonant structure antenna and multi-frequency radio communication appts. contg. same
02/13/2001US6188366 Monopole antenna
02/08/2001DE10030402A1 Surface-mount antenna e.g. for portable telephone, includes dielectric substrate in rectangular parallelepiped shape and radiation electrode having meandering pattern disposed on surface of dielectric pattern
02/07/2001EP1075043A1 Antenna with stacked resonating structures and multiband radiocommunication device using the same
02/07/2001EP1074065A1 Antenna system for tracking moving satellites