| Patents for H01Q 5 - Arrangements for simultaneous operation of aerials on two or more different wavebands (11,466) |
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| 09/02/1999 | WO1999031756B1 Dual-frequency helix antenna |
| 08/31/1999 | US5945964 Multi-band antenna structure for a portable radio |
| 08/31/1999 | US5945962 Broad band shaped element dipole antenna |
| 08/31/1999 | US5945950 Stacked microstrip antenna for wireless communication |
| 08/31/1999 | US5945938 RF identification transponder |
| 08/26/1999 | WO1999043045A1 Antenna with two active radiators |
| 08/26/1999 | WO1999043043A1 Dual band diversity antenna having parasitic radiating element |
| 08/26/1999 | WO1999043042A1 Dual band antenna for radio terminal |
| 08/26/1999 | WO1999043041A1 Substrate antenna incorporating an element preventing the coupling of energy between antenna and conductors |
| 08/26/1999 | WO1999043037A2 Uniplanar dual strip antenna |
| 08/26/1999 | CA2321775A1 Antenna with two active radiators |
| 08/26/1999 | CA2319553A1 Substrate antenna incorporating an element preventing the coupling of energy between antenna and conductors |
| 08/25/1999 | EP0938158A2 Antenna |
| 08/25/1999 | CN2335272Y C/Ku double-waveband bipolarization backfeeding antenna |
| 08/24/1999 | US5943020 Flat three-dimensional antenna |
| 08/19/1999 | WO1999041803A1 Adaptive multifilar antenna |
| 08/18/1999 | EP0936696A2 Antenna system with plural reflectors |
| 08/18/1999 | EP0935826A2 Radio communication apparatus |
| 08/18/1999 | CN1226344A Planer dual-frequency array antenna |
| 08/17/1999 | US5940037 Stacked patch antenna with frequency band isolation |
| 08/12/1999 | WO1999040647A1 Rigid and flexible flat antenna |
| 08/11/1999 | EP0935349A2 Satellite communication system |
| 08/11/1999 | CA2260455A1 Antenna system with plural reflectors |
| 08/10/1999 | US5936594 Highly isolated multiple frequency band antenna |
| 08/03/1999 | US5933123 Combined satellite and terrestrial antenna |
| 08/03/1999 | US5933119 For receiving fm and am radio broadcast waves |
| 07/29/1999 | WO1999038228A1 Multi-primary radiator, down converter and multibeam antenna |
| 07/29/1999 | WO1999038227A1 Multifrequency antenna |
| 07/28/1999 | EP0611500B1 Satellite communication system |
| 07/28/1999 | CN1224254A Microstrip antenna and device including said antenna |
| 07/27/1999 | US5930680 Method and system for transceiving signals using a constellation of satellites in close geosynchronous orbit |
| 07/27/1999 | US5929822 Electromagnetic exciter feed dipole antenna |
| 07/27/1999 | US5929818 Combination satellite dish with UHF/VHF antenna |
| 07/27/1999 | US5929812 Flat antenna |
| 07/27/1999 | CA2197518C Surface mounting antenna and communication apparatus using the same antenna |
| 07/21/1999 | EP0929913A1 A multi resonant radio antenna |
| 07/21/1999 | EP0929912A1 Multi band non-uniform helical antennas |
| 07/20/1999 | US5926149 Coaxial antenna |
| 07/20/1999 | US5926146 Dual-band feed for microwave reflector antenna |
| 07/20/1999 | US5926143 Multi-frequency band rod antenna |
| 07/20/1999 | US5926139 Planar dual frequency band antenna |
| 07/15/1999 | WO1999035711A1 Electromagnetic wave transmitter/receiver |
| 07/15/1999 | WO1999035710A1 Reflector based dielectric lens antenna system |
| 07/15/1999 | WO1999035709A1 Antenna device mainly for use in a vehicle |
| 07/14/1999 | EP0929122A2 Reflector based dielectric lens antenna system |
| 07/14/1999 | EP0928503A1 Antenna feed architecture for use with a continuous transverse stub antenna array |
| 07/13/1999 | US5923305 Dual-band helix antenna with parasitic element and associated methods of operation |
| 07/13/1999 | US5923298 Multiband reception antenna for terrestrial digital audio broadcast bands |
| 07/08/1999 | WO1999034479A1 Dual frequency, low profile antenna for low earth orbit satellite communications |
| 07/08/1999 | CA2254139A1 Reflector based dielectric lens antenna system |
| 07/07/1999 | EP0928076A1 Hybrid transmission system having a fallback solution for connections with high availability requirements |
| 07/07/1999 | CN1222258A Meander antenna device |
| 07/06/1999 | US5920292 L-band quadrifilar helix antenna |
| 07/01/1999 | WO1999033147A1 Broadband antenna |
| 07/01/1999 | WO1999033146A1 Dual frequency quadrifilar helix antenna |
| 07/01/1999 | WO1999033143A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements |
| 07/01/1999 | DE19758218A1 Dual band hybrid radiator for mobile radio, esp. mobile navigation using GPS signals |
| 07/01/1999 | DE19758217A1 Dual hybrid antenna for mobile radio, esp. mobile navigation. Applications using GPS signals |
| 07/01/1999 | DE19758216A1 Planar dual tape rotary radiator for mobile radio applications |
| 07/01/1999 | CA2316288A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements |
| 06/29/1999 | US5917450 Antenna device having two resonance frequencies |
| 06/24/1999 | WO1999031757A1 Dual band antenna |
| 06/24/1999 | WO1999031756A1 Dual-frequency helix antenna |
| 06/24/1999 | DE19858090A1 Double band aerial with multi-turn coil |
| 06/23/1999 | EP0924797A1 Multifrequency microstrip antenna and apparatus using the same |
| 06/23/1999 | EP0924794A2 Retractable antenna for a mobile telephone |
| 06/23/1999 | CN1220502A Method of producing helical antenna and helical antenna apparatus |
| 06/22/1999 | US5914694 Dual-band, dual polarization radiating structure |
| 06/22/1999 | US5914689 Antenna for a portable, wireless communication device |
| 06/22/1999 | CA2225677A1 Multiple parasitic coupling to an outer antenna patch element from inner path elements |
| 06/17/1999 | WO1999030417A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus |
| 06/17/1999 | WO1999030385A1 Vhf/uhf self-tuning planar antenna system |
| 06/17/1999 | DE19857819A1 Antenna for use in communication systems |
| 06/16/1999 | EP0923158A2 Antenna |
| 06/16/1999 | EP0923157A1 Antenna realised according to microstrip technique and device incorporating this antenna |
| 06/15/1999 | US5913151 Small antenna for receiving signals from constellation of satellites in close geosynchronous orbit |
| 06/11/1999 | CA2254266A1 Microribbon multifrequency antenna and device including the said antenna |
| 06/11/1999 | CA2254255A1 Microribbon antenna and device including the said antenna |
| 06/10/1999 | WO1999028990A1 Multifrequency inverted f-type antenna |
| 06/10/1999 | WO1999028989A1 Combination antenna device |
| 06/09/1999 | CN1219291A Radio communication apparatus |
| 06/02/1999 | EP0919072A1 Multifocus reflector antenna |
| 06/02/1999 | EP0919070A1 Highly isolated multiple frequency band antenna |
| 06/02/1999 | CN1218308A Multi-band antenna suitable for use in mobile radio device |
| 06/01/1999 | US5909196 To provide electrical signals to a receiver/transmit electrical signals |
| 05/27/1999 | WO1999026316A1 Dual mode quadrifilar helix antenna and associated methods of operation |
| 05/27/1999 | WO1999026315A1 An antenna device for dual frequency bands |
| 05/27/1999 | WO1999026314A1 An antenna device for dual frequency bands |
| 05/25/1999 | US5907309 Dielectrically loaded wide band feed |
| 05/25/1999 | CA2011298C Dual polarization dipole array antenna |
| 05/20/1999 | WO1999025043A1 A portable electronic communication device with dual-band antenna system |
| 05/20/1999 | WO1999025042A1 A portable electronic communication device with multi-band antenna system |
| 05/19/1999 | EP0917241A1 Helical antenna and production method |
| 05/19/1999 | EP0916167A1 Dual-band coupled segment helical antenna |
| 05/19/1999 | CN1217091A Dual band antenna |
| 05/11/1999 | US5903241 Waveguide horn with restricted-length septums |
| 05/11/1999 | US5903240 Surface mounting antenna and communication apparatus using the same antenna |
| 05/06/1999 | WO1999022420A1 Multiple band, multiple branch antenna for mobile phone |
| 05/06/1999 | WO1999022419A1 Multiple band telescope type antenna for mobile phone |
| 05/06/1999 | WO1999022418A1 Matching device for a multi-frequency antenna |