Patents for H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (4,834) |
---|
07/31/1997 | WO1997027642A1 ANTENNA FOR FREQUENCIES IN EXCESS OF 200 MHz |
07/30/1997 | EP0667044B1 An antenna device for portable equipment |
07/30/1997 | CN1155947A Transmit and receive loop antenna |
07/23/1997 | EP0784877A1 Quadrifilar helix antenna and feed network |
07/23/1997 | EP0784876A1 180o POWER DIVIDER FOR A HELIX ANTENNA |
07/15/1997 | US5648786 Conformal low profile wide band slot phased array antenna |
06/25/1997 | CN1152805A Aerial assembly for radio communication device |
06/18/1997 | EP0778988A1 Antenna assembly |
06/11/1997 | EP0777922A1 An antenna |
06/11/1997 | EP0777921A1 Helical antenna having adjustable beam angle |
06/11/1997 | EP0777920A1 Nonsquinting end-fed quadrifilar helical antenna |
06/04/1997 | EP0776531A1 Double helix antenna system |
06/04/1997 | EP0776530A1 Method and antenna for providing an omnidirectional pattern |
06/03/1997 | US5635945 Quadrifilar helix antenna |
05/29/1997 | WO1997019488A1 Antenna |
05/28/1997 | EP0658281B1 Coaxial collinear element array antenna |
05/27/1997 | US5633649 Magnetic dipole antenna |
05/07/1997 | DE19540882A1 Coiled long wire dipole which is tuned to resonance by beam inductance or capacitance |
05/06/1997 | US5628057 Multi-port radio frequency signal transformation network |
05/02/1997 | EP0687388B1 Drive arrangement for mechanically-steered antennas |
04/29/1997 | US5625368 Radiowave antenna system |
04/09/1997 | EP0767508A2 Antenna |
04/09/1997 | CN1147160A Dual function antenna structure and portable radio having same |
04/02/1997 | CN1146828A Antenna for two frequency bands |
03/27/1997 | WO1997011507A1 Dual-band octafilar helix antenna |
03/26/1997 | EP0764999A1 Chip antenna |
03/20/1997 | WO1997010623A1 Antenna coupling system |
03/18/1997 | US5613223 Mobile communicator bracing system |
03/18/1997 | US5612707 Steerable beam helix antenna |
03/18/1997 | US5611874 Clad metal structures with ductility and tensile strength |
03/18/1997 | CA2132495C Non-contact rotating coupler |
03/12/1997 | EP0762538A2 Chip antenna |
03/12/1997 | EP0762532A2 Surface mount antenna |
02/27/1997 | WO1997007560A1 Flexible antenna and method of manufacturing same |
02/27/1997 | WO1997007559A1 Contrawound toroidal helical antenna |
02/26/1997 | EP0759646A1 Chip antenna |
02/25/1997 | US5606332 Dual function antenna structure and a portable radio having same |
02/25/1997 | US5604972 Method of manufacturing a helical antenna |
02/20/1997 | WO1997006579A1 Quadrifilar helix antenna and feed network |
02/20/1997 | WO1997006577A1 Method and apparatus for increasing antenna efficiency for handheld mobile satellite communications terminal |
02/20/1997 | WO1997006575A1 180° power divider for a helix antenna |
02/20/1997 | CA2202128A1 Quadrifilar helix antenna and feed network |
02/13/1997 | WO1997004895A1 Clad shape memory alloy composite structure and method |
02/13/1997 | CA2227590A1 Clad shape memory alloy composite structure and method |
02/12/1997 | CN1142695A Method and apparatus for increasing antenna efficiency for handheld mobile satellite communications terminal |
02/11/1997 | US5602556 Transmit and receive loop antenna |
02/05/1997 | EP0757406A1 Antenna structure for satellite communications terminal |
02/04/1997 | CA2167427A1 Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal |
01/23/1997 | WO1997002622A1 Antenna assembly |
01/22/1997 | EP0755091A1 Antenna for two frequency bands |
01/15/1997 | EP0553094B1 Device for information transmission |
01/14/1997 | US5594953 Mobile communicator system |
01/14/1997 | US5594461 Low loss quadrature matching network for quadrifilar helix antenna |
01/09/1997 | WO1997001197A1 Method and antenna for providing an omnidirectional pattern |
01/09/1997 | WO1997001196A1 Antenna element, conically helical, for polarization purity within a broad frequency range |
01/03/1997 | WO1997000542A1 Double helix antenna system |
01/02/1997 | EP0751581A1 Loop antenna for circularly polarized wave |
12/24/1996 | US5587719 Axially arrayed helical antenna |
12/19/1996 | WO1996041399A1 Transmit and receive loop antenna |
12/19/1996 | WO1996041398A1 Toroidal antenna |
12/19/1996 | WO1996041397A1 Contrawound antenna |
12/19/1996 | CA2196686A1 Transmit and receive loop antenna |
12/18/1996 | CN1138222A Spiral primary emitter and inverter fitted for it |
12/03/1996 | US5581268 Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal |
11/26/1996 | US5579017 Smithdom improved multiband antenna and method |
11/20/1996 | EP0743699A1 Surface mounting type antenna system |
11/14/1996 | WO1996036089A1 Process for producing a rod aerial |
11/14/1996 | WO1996036087A1 Process for producing a helical aerial and helical aerial |
11/14/1996 | DE19516889A1 Verfahren zum Herstellen einer Stabantenne A method of manufacturing a rod antenna |
11/14/1996 | DE19516888A1 Verfahren zum Herstellen einer Wendelantenne und Wendelantenne A method for manufacturing a helical antenna and helical antenna |
11/06/1996 | EP0740857A1 Broadband aerial means |
11/06/1996 | CN1135105A Radome for housing multiple arm antenna element and associated method |
11/05/1996 | US5572227 Multiband antenna system for operating at L-band, S-band and UHF-band |
11/05/1996 | US5572172 180° power divider for a helix antenna |
10/31/1996 | WO1996034425A1 Helical antenna having a parasitic element and a method of using the same |
10/30/1996 | CN1134611A Self phased antenna element with dielectric and as sociated method |
10/16/1996 | EP0465658B1 Four-wire fractional winding helical antenna and manufacturing method thereof |
10/09/1996 | EP0736927A2 Antenna, particularly a mobile phone antenna, and a method to manufacture the antenna |
10/09/1996 | EP0736926A1 Helix-type antenna and method of manufacture |
09/26/1996 | WO1996029787A1 Mobile communicator bracing system |
09/26/1996 | CA2215606A1 Mobile communicator bracing system |
08/28/1996 | CN1129997A Antenna device and portable radio device |
08/20/1996 | US5548827 Portable radio communication device capable of transmitting the same level of electrical energy when the antenna is stored or extended |
08/15/1996 | WO1996024965A1 Antenna for two frequency bands |
08/14/1996 | EP0569390B1 Antenna system |
07/30/1996 | US5541617 Monolithic quadrifilar helix antenna |
07/30/1996 | US5541614 Smart antenna system using microelectromechanically tunable dipole antennas and photonic bandgap materials |
07/30/1996 | US5541613 Efficient broadband antenna system using photonic bandgap crystals |
07/30/1996 | US5541610 Antenna for a radio communication apparatus |
07/25/1996 | WO1996022618A1 Loop antenna for circularly polarized wave |
07/23/1996 | US5539421 Planar antenna with helical antenna array and waveguide |
07/10/1996 | CN1126382A Antenna equipment |
06/27/1996 | WO1996019846A1 An adjustable helical antenna |
06/20/1996 | DE19500691A1 Appts. for application of electric fields to living tissue |
06/13/1996 | WO1996018220A1 A helical antenna |
06/12/1996 | EP0716469A1 Antenna device and portable radio device |
06/11/1996 | US5526007 Wire antenna for circularly polarized wave |
06/05/1996 | EP0715369A1 A multiband antenna system |
05/23/1996 | WO1996015564A1 Electrical conducting shell structure for coaxial collinear array antenna |
05/23/1996 | CA2204884A1 Electrical conducting shell structure for coaxial collinear array antennas |