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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11/13/1997 | WO1997042681A1 Antenna device |
11/13/1997 | WO1997042680A1 An antenna device having a matching means |
11/12/1997 | EP0806810A2 Antenna formed of a strip-like resonance element over a base plate |
11/12/1997 | EP0806062A1 Microstrip patch antennas using very thin conductors |
11/11/1997 | US5686928 Phased array antenna for radio frequency identification |
11/06/1997 | WO1997041621A1 Dual band antenna |
11/06/1997 | WO1997041619A1 Composite antenna for cellular and gps communications |
11/06/1997 | DE19713929A1 Transmitting and receiving antenna system |
11/05/1997 | EP0805512A1 Compact printed antenna with little radiation in elevation |
11/05/1997 | EP0805506A1 Antenna |
11/05/1997 | CN1164134A Patch antenna and method for making the same |
11/04/1997 | US5684492 Antenna device having a band pass filter |
10/30/1997 | WO1997040594A1 Dividable transmit antenna array for a cellular base station and associated method |
10/30/1997 | WO1997040548A1 Composite antenna |
10/30/1997 | CA2249583A1 Dividable transmit antenna array for a cellular base station and associated method |
10/29/1997 | EP0803929A1 Loaded antenna |
10/29/1997 | CN1163495A Antema for mobile radio communication |
10/28/1997 | US5682167 Mesa antenna |
10/28/1997 | US5682143 Radio frequency identification tag |
10/24/1997 | CA2203359A1 A compact printed antenna for radiation at low elevation |
10/22/1997 | EP0802578A1 Planar antenna array and associated microstrip radiating element |
10/22/1997 | CN1162850A All direction horizontal-polarized band antenna |
10/21/1997 | US5680144 Wideband, stacked double C-patch antenna having gap-coupled parasitic elements |
10/16/1997 | WO1997038463A1 Microstrip wide band antenna and radome |
10/16/1997 | CA2251245A1 Microstrip wide band antenna and radome |
10/15/1997 | EP0801436A2 Broadband nonhomogeneous multi-segmented dielectric resonator antenna system |
10/15/1997 | EP0801435A2 Flat antenna |
10/12/1997 | CA2023481A1 Multiple polarization microstrip antenna, namely elementary antenna for faceplate-type network |
10/10/1997 | CA2173679A1 Broadband nonhomogeneous multi-segmented dielectric resonator antenna |
10/09/1997 | WO1997037441A1 Method and apparatus for polarization diversity in a base station using a plurality of reception antennas |
10/09/1997 | WO1997037400A1 Helical antenna and process for producing the same |
10/08/1997 | EP0800226A1 Universal angled rod antenna |
10/08/1997 | EP0799428A1 An impulse radar with swept range gate |
10/07/1997 | US5675346 Annular microstrip antenna element and radial line antenna system employing the same |
10/01/1997 | CN2263830Y Butterfly low-top omnidirectional antenna |
09/30/1997 | US5673055 Rosette-shaped monopole antenna top-load for increased antenna voltage and power capability |
09/25/1997 | WO1997035355A1 Planar emitter |
09/24/1997 | EP0797268A2 Antenna apparatus |
09/23/1997 | US5671133 Electric power receiving and supplying circuit |
09/18/1997 | DE19710226A1 Drahtlose Kommunikationsvorrichtung mit antennenaktiviertem Schalter Wireless communication device with antennenaktiviertem switch |
09/18/1997 | DE19615497A1 Planarer Strahler Planar radiator |
09/17/1997 | EP0795926A2 Flat, three-dimensional antenna |
09/17/1997 | EP0795925A2 Patch antenna and method for making the same |
09/17/1997 | EP0795210A1 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
09/17/1997 | CN1159664A Double-frequency resonant antenna |
09/16/1997 | US5668564 Combined AM/FM/cellular telephone antenna system |
09/16/1997 | US5668559 Antenna for portable radio devices |
09/16/1997 | US5668558 Apparatus capable of receiving circularly polarized signals |
09/16/1997 | US5668557 Surface-mount antenna and communication device using same |
09/12/1997 | WO1997033341A1 Single-wire spiral antenna |
09/11/1997 | DE19607997A1 Planar miniature radiator for decimetre waves |
09/10/1997 | CN1159105A Wireless communication device having reconfigurable matching circuit |
09/04/1997 | WO1997032360A1 Combination satellite and vhf/uhf receiving antenna |
09/04/1997 | WO1997032359A1 Folded bow-tie antenna |
09/04/1997 | WO1997032358A1 Wide-banded mobile antenna |
09/04/1997 | WO1997032356A1 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers |
09/04/1997 | WO1997032353A1 Orthogonal switched antenna system |
09/04/1997 | DE19607597A1 Coiled direction finding rod and mounting for motor vehicle |
09/04/1997 | CA2247271A1 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers |
09/03/1997 | EP0793293A1 Antenna unit |
09/03/1997 | EP0792528A1 Half-wave dipole antenna |
08/28/1997 | WO1997031404A1 Antenna for radio communication device |
08/27/1997 | EP0791977A2 Mobile radio antenna |
08/26/1997 | US5661496 Capacitive coupled extendable antenna |
08/26/1997 | US5661495 Antenna device for portable equipment |
08/20/1997 | EP0790668A2 Antenna apparatus and communication apparatus using the same |
08/20/1997 | EP0790664A2 Vehicular antenna |
08/20/1997 | EP0790663A1 Surface mounting antenna and communication apparatus using the same antenna |
08/20/1997 | EP0790662A1 Surface-mount-type antenna and communication equipment using same |
08/20/1997 | CN1157493A Antenna device |
08/19/1997 | CA2043321C Antenna for portable radio equipment |
08/14/1997 | WO1997029524A1 Compact radio frequency transmitting and receiving antenna and control device employing same |
08/14/1997 | DE19603803A1 Cubic quad antenna for mobile or static use |
08/13/1997 | CN1157061A Method and antenna for providing omnidirectional pattern |
08/12/1997 | US5657028 Small double C-patch antenna contained in a standard PC card |
08/07/1997 | WO1997028576A1 A method and arrangement relating to a telecommunication system |
08/06/1997 | EP0787371A1 Printed antenna |
08/05/1997 | US5654725 Ultra-flexible dipole antenna |
08/05/1997 | US5654724 Antenna providing hemispherical omnidirectional coverage |
08/05/1997 | US5654717 GPS/radio antenna combination |
07/30/1997 | EP0667044B1 An antenna device for portable equipment |
07/30/1997 | CA2168326A1 Microloop antenna |
07/29/1997 | US5652598 Charge collector equipped, open-sleeve antennas |
07/29/1997 | US5652595 Patch antenna including reactive loading |
07/24/1997 | WO1997026685A1 Shortened monopole antenna |
07/22/1997 | US5650792 Combination GPS and VHF antenna |
07/22/1997 | US5649350 Method of mass producing printed circuit antennas |
07/17/1997 | WO1997025755A1 Slot spiral antenna with integrated balun and feed |
07/17/1997 | WO1997025754A1 Wide-banded base station antenna |
07/16/1997 | CN1154579A Antenna apparatus, method of manufacturing same and method of designing same |
07/15/1997 | US5648787 Penetrating microwave radar ground plane antenna |
07/10/1997 | WO1997024626A2 Itinerary monitoring system |
07/08/1997 | US5646634 Miniaturized antenna for converting an alternating voltage into a microwave and vice versa, notably for horological applications |
07/03/1997 | DE19548822A1 Antenna apparatus for mobile phone |
07/01/1997 | US5644321 Multi-element antenna with tapered resistive loading in each element |
07/01/1997 | US5644319 Multi-resonance horizontal-U shaped antenna |
06/26/1997 | WO1997023019A1 Antenna assembly |
06/26/1997 | WO1997023018A1 A microstrip antenna |
06/26/1997 | CA2240902A1 A microstrip antenna |
06/25/1997 | EP0779994A1 Radio frequency identification tag |