| Patents for H01Q 5 - Arrangements for simultaneous operation of aerials on two or more different wavebands (11,466) |
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| 12/13/1994 | US5373302 Double-loop frequency selective surfaces for multi frequency division multiplexing in a dual reflector antenna |
| 12/07/1994 | EP0627128A1 Dual mode/dual band feed structures |
| 11/22/1994 | US5367311 Antenna for broad-band ultrahigh frequency |
| 11/15/1994 | CA2032650C Multiband antenna |
| 11/10/1994 | DE4313397A1 Planar antenna |
| 11/08/1994 | CA2063794C Multi-resonant laminar antenna |
| 10/25/1994 | US5359335 Automobile antenna |
| 10/20/1994 | DE4312259A1 Motor vehicle window pane antenna having an AM antenna |
| 10/05/1994 | EP0618641A2 Ultra wideband phased array antenna |
| 09/28/1994 | EP0617477A1 Waveguide |
| 09/20/1994 | US5349361 Three-wave antenna for vehicles |
| 09/20/1994 | CA2014661C Nested horn radiator assembly |
| 09/15/1994 | WO1994021006A1 Antenna combination of dipole with log-periodic antenna |
| 09/15/1994 | WO1994021003A1 Low profile antenna for on-board multiple frequency radio equipment |
| 09/13/1994 | CA2033621C Low standing wave ratio very wide band radio antenna |
| 09/06/1994 | US5345247 Five-way antenna system |
| 08/31/1994 | EP0613209A1 A two-frequency impedance matching circuit for an antenna |
| 08/24/1994 | EP0611500A1 Satellite communication system |
| 08/04/1994 | DE4303072A1 Vehicle antenna with LF active transmission paths |
| 08/03/1994 | EP0608992A1 Dual purpose, low profile antenna |
| 08/02/1994 | CA2011475C Low cross-polarization radiator of circularly polarized radiation |
| 07/26/1994 | US5333001 Multifrequency antenna array |
| 07/26/1994 | CA2114576A1 Dual purpose, low profile antenna |
| 07/19/1994 | US5331332 Waveguide coupling structure |
| 07/13/1994 | CN1089395A Dual mode/dual band feed structure |
| 07/05/1994 | US5327149 For collecting/detecting radiant energy in optical/radio frequency regions |
| 06/23/1994 | WO1994014210A1 Antenna apparatus |
| 06/21/1994 | US5323168 For receiving microwave signals |
| 06/14/1994 | US5321414 Dual polarization dipole array antenna |
| 06/09/1994 | WO1994013030A1 A y-antenna |
| 06/07/1994 | US5319378 Multi-band microstrip antenna |
| 05/19/1994 | DE4238585A1 Wideband dipole antenna for HF amateur radio band - with trap circuit having resonance frequency in operating range at end of one dipole half |
| 05/18/1994 | EP0597318A2 Multibeam antenna for receiving satellite |
| 05/10/1994 | US5311201 Multi-band antenna |
| 05/03/1994 | US5309167 Multifocal receiving antenna with a single aiming direction for several satellites |
| 04/26/1994 | US5307078 AM-FM-cellular mobile telephone tri-band antenna with double sleeves |
| 04/26/1994 | US5307077 Multi-spectral seeker antenna |
| 04/26/1994 | CA1328922C Dual frequency microwave feed assembly |
| 04/26/1994 | CA1328918C Multi-spectral imaging system |
| 04/20/1994 | EP0593185A1 Wideband antenna arrangement |
| 04/13/1994 | CN2162001Y Three wavebands feeding source for bias feeding antenna |
| 04/06/1994 | EP0590955A2 Multiple band antenna |
| 04/05/1994 | US5300936 Multiple band antenna |
| 03/29/1994 | US5298909 For processing electromagnetic radiation falling within frequency ranges |
| 03/22/1994 | US5296867 Electronic switching device for an antenna switchable in the VHF and UHF frequency ranges |
| 03/02/1994 | EP0584882A1 Loop antenna |
| 02/17/1994 | WO1994003939A1 Multiband antenna system |
| 02/15/1994 | US5287116 Array antenna generating circularly polarized waves with a plurality of microstrip antennas |
| 02/08/1994 | CA2006291C Bifrequency radiating device |
| 02/08/1994 | CA2004870C Multifrequency radiating device |
| 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 |
| 01/04/1994 | US5276457 Integrated antenna-converter system in a unitary package |
| 12/14/1993 | US5270724 Multifrequency phased array aperture |
| 12/07/1993 | US5268680 Combined infrared-radar detection system |
| 11/16/1993 | US5262791 Multi-layer array antenna |
| 11/02/1993 | US5258765 Rod-shaped multi-band antenna |
| 11/02/1993 | US5258728 Antenna circuit for a multi-band antenna |
| 10/19/1993 | USRE34410 Antenna system for hybrid communication satellite |
| 10/19/1993 | US5255005 Dual layer resonant quadrifilar helix antenna |
| 10/19/1993 | US5255003 Multiple-frequency microwave feed assembly |
| 10/12/1993 | US5252984 Multiband coaxial rod and sleeve antenna |
| 09/28/1993 | US5248988 Antenna used for a plurality of frequencies in common |
| 09/22/1993 | EP0561753A1 An antenna arrangement |
| 09/22/1993 | EP0561675A1 Receiving antenna with a single pointing direction for reception from several satellites of different orbiting positions |
| 09/18/1993 | CA2091730A1 Receiving antenna with single aiming direction for several satellites having different orbital positions |
| 09/02/1993 | WO1993017466A1 Dual band signal receiver |
| 09/02/1993 | CA2130750A1 Dual band signal receiver |
| 09/01/1993 | EP0557794A1 Glass antenna mounted into the window cutout of a metallic motorcar body |
| 08/31/1993 | US5241322 Twin element coplanar, U-slot, microstrip antenna |
| 08/31/1993 | US5241321 Dual frequency circularly polarized microwave antenna |
| 08/25/1993 | EP0556941A1 Integrated antenna-converter system in a unitary package |
| 08/25/1993 | EP0277206B1 Antenna system for hybrid communications satellite |
| 08/24/1993 | US5239688 Multi-range, multi-use antenna adapter |
| 08/24/1993 | US5239304 Three-wave antenna for vehicles |
| 08/19/1993 | WO1993016502A1 Dual mode/dual band feed structures |
| 08/19/1993 | CA2129641A1 Dual mode/dual band feed structures |
| 08/03/1993 | US5233363 Connector assembly for fixed triband antenna |
| 07/06/1993 | CA1319975C Retractable cellular antenna |
| 06/29/1993 | US5223848 Duplexing circularly polarized composite |
| 06/24/1993 | DE4141783A1 Car aerial for various frequency ranges - has single antenna rod with successive frequency range sections and parallel oscillation circuit for each higher frequency range |
| 06/15/1993 | US5220341 Telescoping antenna apparatus with leakage prevention between its upper and lower sections |
| 06/15/1993 | US5220337 Notched nested cup multi-frequency band antenna |
| 06/15/1993 | US5220334 Multifrequency antenna, useable in particular for space telecommunications |
| 06/15/1993 | CA1319190C Circular polarization diplexing composite antenna |
| 06/03/1993 | DE4139605A1 Motor vehicle aerial for car radiotelephone - has internal radiator supplied by coaxial cable having quarter wave transformer at upper end |
| 06/01/1993 | US5216432 Dual mode/dual band feed structure |
| 05/25/1993 | US5214438 Millimeter wave and infrared sensor in a common receiving aperture |
| 05/19/1993 | EP0542595A1 Microstrip antenna device especially for satellite telephone transmissions |
| 05/13/1993 | WO1993009613A1 Satellite communication system |
| 05/13/1993 | CA2121587A1 Satellite communication system |
| 03/18/1993 | DE4130476A1 Directional parabolic reflector radiator with planar excitation - has resonator array formed for phase, and impedance matched waveguides |
| 03/16/1993 | US5194876 Dual polarization slotted antenna |
| 03/10/1993 | EP0216907B1 Multiband antenna |
| 03/09/1993 | CA1314324C Transmission and reception apparatus for automobile |
| 02/23/1993 | US5189435 Retractable motorized multiband antenna |
| 02/23/1993 | US5189425 Method and apparatus for monitoring vehicular traffic |
| 02/04/1993 | WO1993002486A1 Multibeam lens antenna |
| 02/02/1993 | CA1313408C Wide band antenna for mobile communications |