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