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