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) |
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06/25/1997 | CN1152805A Aerial assembly for radio communication device |
06/19/1997 | WO1997022159A1 Dual polarized array antenna with central polarization control |
06/18/1997 | EP0778988A1 Antenna assembly |
06/18/1997 | EP0716774B1 A folded dipole antenna |
06/12/1997 | DE19649215A1 Antenne Antenna |
06/12/1997 | DE19546010A1 Combined flat antenna for vehicle global positioning system and mobile radio |
06/11/1997 | EP0778633A1 Chip antenna having dielectric and magnetic material portions |
06/11/1997 | CN1151621A Broadband antenna using semicircular radiator |
06/04/1997 | EP0777297A1 A whip antenna |
06/04/1997 | EP0777296A1 Microstrip type antenna having small size and capable of changing gain |
06/04/1997 | EP0777295A2 Antenna device having two resonance frequencies |
06/04/1997 | EP0776530A1 Method and antenna for providing an omnidirectional pattern |
06/03/1997 | US5635942 Microstrip antenna |
05/29/1997 | WO1997019488A1 Antenna |
05/28/1997 | CN1150704A Wide band small antenna |
05/27/1997 | US5633646 Mini-cap radiating element |
05/27/1997 | US5633645 Patch antenna assembly |
05/27/1997 | US5633613 Modulator-coupled transmission structure and method |
05/27/1997 | CA2116475C Antenna for a radio communication apparatus |
05/20/1997 | US5631660 Antenna module for a portable radio equipment with a grounding conductor |
05/20/1997 | US5631659 Microstrip patch antennas with radiation control |
05/13/1997 | US5629713 Horizontally polarized antenna array having extended E-plane beam width and method for accomplishing beam width extension |
05/13/1997 | US5629712 Vehicular slot antenna concealed in exterior trim accessory |
05/09/1997 | WO1997016865A1 Transponder employing microstrip double patch antenna |
05/07/1997 | DE19540881A1 Coaxial vertical emitter with shortened coaxial cable |
05/07/1997 | DE19540880A1 Shortened closed loop antenna using coaxial trap principle |
05/07/1997 | CN2253874Y Spiral flexible antenna |
05/06/1997 | US5627551 Antennas for surface mounting and method of adjusting frequency thereof |
05/06/1997 | US5627550 Wideband double C-patch antenna including gap-coupled parasitic elements |
05/02/1997 | EP0770271A1 Planar antenna on electrically-insulating sheet |
04/29/1997 | US5625367 Variable capacitance antenna for multiband reception and transmission |
04/24/1997 | WO1997015093A1 Method of mass producing printed circuit antennas |
04/22/1997 | US5623271 Low frequency planar antenna with large real input impedance |
04/17/1997 | WO1997014193A1 Volume-loaded short dipole antenna |
04/15/1997 | US5621422 Spiral-mode microstrip (SMM) antennas and associated methods for exciting, extracting and multiplexing the various spiral modes |
04/15/1997 | US5621420 Duplex monopole antenna |
04/09/1997 | EP0767510A1 Surface mounting antenna and antenna apparatus |
04/08/1997 | US5619218 Common aperture isolated dual frequency band antenna |
04/03/1997 | WO1997012417A1 Broad band antenna |
04/02/1997 | EP0766343A2 Broadband antenna using a semicircular radiator |
04/02/1997 | EP0766342A1 Antenna element for ultra-high frequencies |
04/02/1997 | EP0766341A1 Surface mounting antenna and communication apparatus using the same antenna |
04/02/1997 | EP0766340A2 Surface mounting antenna and communication apparatus using the same antenna |
04/01/1997 | US5617103 Ferroelectric phase shifting antenna array |
03/27/1997 | WO1997011445A1 Consumption measurement system for remote reading |
03/27/1997 | WO1997008774A3 Printed antenna |
03/27/1997 | DE19624273A1 Verbrauchserfassungssystem zur Fernablesung Metering system for remote reading |
03/26/1997 | EP0765001A1 Chip antenna |
03/26/1997 | EP0764998A1 Antenna device |
03/25/1997 | US5614917 RF sail pumped tuned antenna |
03/25/1997 | CA2114661C Antenna for matched transmission system |
03/20/1997 | WO1997010624A1 Self-tuning material and method of manufacturing the same |
03/19/1997 | EP0710403B1 Aerial arrangement |
03/19/1997 | CN1145537A Resonance antenna |
03/18/1997 | US5612705 Wide-banded base station antenna |
03/18/1997 | US5612704 Retractable antenna |
03/18/1997 | US5611547 Elongated seal assembly for sealing well tubing-to liner annulus |
03/12/1997 | EP0762537A2 Chip antenna |
03/12/1997 | EP0762536A2 Chip antenna |
03/12/1997 | EP0761020A1 Modular electronic sign system |
03/06/1997 | WO1997008774A2 Printed antenna |
03/05/1997 | CN1144592A Phased array cellular base station and associated methods for enhanced power efficiency |
03/05/1997 | CN1144407A Circularly polarized backfire antenna |
03/04/1997 | US5608416 Portable rapidly erectable discone antenna |
03/04/1997 | US5608415 High-frequency signal transmission system with conical conductors and bias resistor |
03/04/1997 | US5608379 Deactivatable EAS tag |
02/26/1997 | CN2248402Y 短波自适应伸缩天线 Shortwave adaptive telescopic antenna |
02/25/1997 | US5606327 Electrical antenna assembly and electrical device including same |
02/25/1997 | CA2036677C Extendable antenna for a radio transceiver |
02/20/1997 | WO1997006578A1 Fractal antennas, resonators and loading elements |
02/18/1997 | US5604507 Wide-banded mobile antenna |
02/18/1997 | US5604506 Dual frequency vertical antenna |
02/12/1997 | EP0757880A1 Phased array cellular base station and associated methods for enhanced power efficiency |
02/05/1997 | EP0757405A1 Antenna |
02/04/1997 | US5600340 Wideband omni-directional antenna |
02/04/1997 | US5600339 Antenna |
02/04/1997 | US5600335 High-power broadband antenna |
02/04/1997 | US5600242 Electrically small broadband high linear dynamic range deceiver including a plurality of active antenna elements |
01/29/1997 | CN2246335Y Omnidirectional full frequency channel television antenna |
01/28/1997 | US5598174 Printed sleeve antenna |
01/28/1997 | US5598168 High efficiency microstrip antennas |
01/23/1997 | WO1997002623A1 A dual polarized, heat spreading rectenna |
01/23/1997 | WO1997002622A1 Antenna assembly |
01/23/1997 | WO1997002621A1 Antenna assembly and communications device |
01/23/1997 | CA2226250A1 Antenna assembly and communications device |
01/22/1997 | CN1140910A Antenna apparatus and portable radio apparatus |
01/21/1997 | CA2063713C Microstrip radiator for circular polarization free of welds and floating potentials |
01/15/1997 | EP0753897A2 Wideband double C-patch antenna including gap-coupled parasitic elements |
01/15/1997 | EP0553094B1 Device for information transmission |
01/15/1997 | CN2245275Y Special oscillator TV receiving antenna |
01/14/1997 | US5594459 Retractable/extensible antenna with inner and outer sections having a feed point coil and end mounted coil |
01/14/1997 | US5594456 Gas tube RF antenna |
01/14/1997 | US5594455 Bidirectional printed antenna |
01/09/1997 | WO1997001197A1 Method and antenna for providing an omnidirectional pattern |
01/07/1997 | US5592185 Antenna apparatus and antenna system |
01/07/1997 | US5592184 Miniature antenna |
01/07/1997 | US5592183 For transmitting and receiving rf signals |
01/02/1997 | DE19523694A1 Planar antenna, esp. for frequencies in GHz region |
01/01/1997 | CN1139300A Apparatus capable of receiving circularly polarized signals |
12/31/1996 | US5589843 Antenna system with tapered aperture antenna and microstrip phase shifting feed network |