| 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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| 09/21/1994 | EP0616383A1 Antenna device for hand-held portable transceivers |
| 09/20/1994 | US5349700 Antenna tuning system for operation over a predetermined frequency range |
| 09/20/1994 | US5349694 Radio relay system with a multiplex separation circuit and control for providing time delay multiplex operation of receiver and transmitter |
| 09/20/1994 | US5349362 Concealed antenna applying electrically-shortened elements and durable construction |
| 09/15/1994 | WO1994021004A1 Very low frequency compact radio antenna |
| 09/15/1994 | CA2133987A1 Antenna assembly for radio circuit and method therefor |
| 09/14/1994 | EP0614578A1 Compact broadband microstrip antenna |
| 09/13/1994 | US5347291 Capacitive-type, electrically short, broadband antenna and coupling systems |
| 09/13/1994 | CA2033621C Low standing wave ratio very wide band radio antenna |
| 09/06/1994 | US5344441 Antenna arrangement with supply cable for medical applications |
| 08/31/1994 | EP0613207A1 Antenna for a radio communication apparatus |
| 08/31/1994 | CN2175974Y Mobile telephone base directional antenna |
| 08/10/1994 | EP0610126A1 Improved microstrip antenna for microwave receiver |
| 08/09/1994 | US5337060 Micro-strip antenna |
| 08/04/1994 | WO1994017565A1 Antenna assembly for radio circuit and method therefor |
| 08/03/1994 | EP0609103A1 Antenna for portable radio communication apparatus |
| 08/03/1994 | EP0608992A1 Dual purpose, low profile antenna |
| 08/02/1994 | US5334941 Microwave reflection resonator sensors |
| 07/26/1994 | CA2114576A1 Dual purpose, low profile antenna |
| 07/26/1994 | CA2024992C Planar antenna |
| 07/20/1994 | EP0606514A1 Microstrip element phase-shift array antenna |
| 07/06/1994 | EP0605338A1 Patch antenna with dual polarisation and corresponding device for transmission/reception |
| 07/05/1994 | US5327151 Broad-band non-grounded type ultrashort-wave antenna |
| 07/05/1994 | US5327146 Planar array with radiators adjacent and above a spiral feeder |
| 07/05/1994 | US5327143 Multiple arm spiral antenna system with multiple beamforming capability |
| 06/29/1994 | EP0604338A1 Space-saving broadband antenna with corresponding transceiver |
| 06/29/1994 | EP0604304A1 Multi-polorized omnidirectionnal antenna |
| 06/29/1994 | EP0604017A1 A car phone antenna |
| 06/28/1994 | US5325103 Lightweight patch radiator antenna |
| 06/28/1994 | US5325095 Stepped frequency ground penetrating radar |
| 06/23/1994 | WO1994014210A1 Antenna apparatus |
| 06/23/1994 | WO1994014208A1 Improvements in or relating to portable phones |
| 06/15/1994 | EP0601576A1 Antenna system for mobile communication |
| 06/15/1994 | CN2169213Y 电子天线 Electronic Antenna |
| 06/14/1994 | US5321414 Dual polarization dipole array antenna |
| 06/09/1994 | WO1994013029A1 Highly efficient planar antenna on a periodic dielectric structure |
| 06/07/1994 | US5319378 Multi-band microstrip antenna |
| 05/31/1994 | US5317327 Composite antenna for receiving signals transmitted simultaneously via satellite and by terrestrial stations, in particular for receiving digital audio broadcasting radio signals |
| 05/31/1994 | US5317326 Radio suitable to be worn around a human wrist |
| 05/31/1994 | US5315753 Method of manufacture of high dielectric antenna structure |
| 05/25/1994 | CN2166527Y Magnetic bar type full-frequency channel antenna for television |
| 05/25/1994 | CN2166526Y Multi-layer U-shape vibrator full-frequency channel receiving antenna for TV |
| 05/18/1994 | CN1086930A Plane antenna miniaturizing method and products |
| 05/17/1994 | US5313218 Antenna assembly |
| 05/17/1994 | US5313216 Multioctave microstrip antenna |
| 05/11/1994 | WO1994010720A1 An antenna device for portable equipment |
| 05/11/1994 | EP0596618A2 Lightweight patch radiator antenna |
| 05/11/1994 | CN1086633A An antenna device for portable equipment |
| 05/05/1994 | DE4321233A1 Half wave antenna esp. for mobile radio - has coaxial supply line arrangement with aerial proper formed by screen element and inner conductor |
| 05/05/1994 | DE4234559A1 Search antenna for locating buried mines - contains monopole or dipole of metal rods with damping resistances or of high impedance, weakly conducting plastics material elements contg. graphite or carbon@ |
| 05/03/1994 | US5309164 Patch-type microwave antenna having wide bandwidth and low cross-pol |
| 05/03/1994 | US5309163 Active patch antenna transmitter |
| 05/03/1994 | US5307556 Method of manufacturing a micro-strip antenna |
| 05/03/1994 | CA1329257C Dual-polarized printed circuit antenna having its elements, including gridded printed circuit elements, capacitively coupled to feedlines |
| 04/27/1994 | CN2163448Y Full frequency channel TV receiving active small antenna |
| 04/26/1994 | US5307079 Short pulse microwave source with a high PRF and low power drain |
| 04/26/1994 | US5307078 AM-FM-cellular mobile telephone tri-band antenna with double sleeves |
| 04/26/1994 | US5307075 Directional microstrip antenna with stacked planar elements |
| 04/20/1994 | CN2162713Y Whole-direction communication antenna |
| 04/12/1994 | CA1328503C Microstrip antenna |
| 04/06/1994 | EP0590955A2 Multiple band antenna |
| 04/06/1994 | EP0590928A1 Patch antenna assembly |
| 04/06/1994 | EP0590671A1 Portable radio communication device with wide bandwidth and improved antenna radiation efficiency |
| 04/06/1994 | EP0590534A1 Portable radio unit |
| 04/05/1994 | US5300940 Broadband antenna |
| 04/05/1994 | US5300936 Multiple band antenna |
| 03/30/1994 | EP0588900A1 Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor |
| 03/23/1994 | EP0588514A1 Hybrid monopole/log-periodic antenna |
| 03/23/1994 | EP0588465A1 Ceramic dielectric for antennas |
| 03/22/1994 | US5296867 Electronic switching device for an antenna switchable in the VHF and UHF frequency ranges |
| 03/16/1994 | EP0587247A1 Dielectric resonator antenna with wide bandwidth |
| 03/16/1994 | CN2159069Y Pocket flat antenna |
| 03/15/1994 | US5294938 Concealedly mounted top loaded vehicular antenna unit |
| 03/09/1994 | EP0585877A1 Printed antenna |
| 03/08/1994 | US5293175 Stacked dual dipole MMDS feed |
| 03/01/1994 | US5291210 For use in mobile telephone communications |
| 02/22/1994 | US5289198 Double-folded monopole |
| 02/17/1994 | WO1994003940A1 A dipole |
| 02/16/1994 | EP0582637A1 Microstrip line/waveguide transition. |
| 02/08/1994 | US5285212 Self-supporting columnar antenna array |
| 02/08/1994 | CA2004870C Multifrequency radiating device |
| 02/01/1994 | CA2009921C Electronic circuit device with coupling stub |
| 01/20/1994 | DE4244661A1 Two band single element short wave antenna - acts as half wave surface wave dipole and twice five eighths lambda directional antenna with third harmonic excitation |
| 01/20/1994 | DE4244660A1 Balanced line for UHF one to four impedance transformation - modifies half wave phasing line to quarter wave line for insertion into symmetric antenna system to provide linear impedance transformation for all antennae |
| 01/20/1994 | DE4222966A1 Two band rotory beam antenna for resonance and three times resonance frequency - acts as two times half wave dipole or four times five eighths wavelength radiator |
| 01/19/1994 | EP0578701A1 Article sorting system |
| 01/18/1994 | CA1326291C Low profile antenna for portable radio |
| 01/12/1994 | CN2153148Y Tunnel aerial for wireless communication use |
| 01/12/1994 | CN2153147Y All-frequency channel active electronic resonance television receiving aerial and remote-controller thereof |
| 01/12/1994 | CN2153146Y Disappearing plane high-definition television receiving aerial |
| 12/29/1993 | EP0575808A1 Adjustable beam tilt antenna |
| 12/28/1993 | US5274393 Adjustable helical antenna for a VHF radio |
| 12/28/1993 | US5274391 Broadband directional antenna having binary feed network with microstrip transmission line |
| 12/28/1993 | US5274388 Antenna device |
| 12/23/1993 | WO1993025918A1 A system for the transfer of information comprising several transponders |
| 12/23/1993 | DE4319878A1 High frequency identification system card - has integrated circuit chip or carrier layer sealed by top layer and coupled to batteries and antenna system |
| 12/22/1993 | EP0575211A1 Radiating element of an antenna with wide bandwidth and antenna array comprising such elements |
| 12/21/1993 | US5272485 Microstrip antenna with integral low-noise amplifier for use in global positioning system (GPS) receivers |
| 12/16/1993 | DE4219569A1 Wideband hybrid antenna with dipole coupled to conductive loop - operates as resonant antenna between 1.5 and 14 Mega-Hertz and as truly wideband antenna between 14 and 50 Mega-Hertz |
| 12/15/1993 | EP0274526B1 Transponder device |