Patents for H01Q 13 - Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (15,760) |
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05/06/1998 | EP0840395A2 An insulated conductor pair and a guide cable using the same |
05/06/1998 | CN1038284C Improvment of antenna structure |
05/05/1998 | US5748153 Flared conductor-backed coplanar waveguide traveling wave antenna |
05/05/1998 | US5748152 Broad band parallel plate antenna |
04/29/1998 | EP0838693A1 Antenna-shared distributor and transmission and receiving apparatus using same |
04/28/1998 | US5745084 Very small aperture terminal & antenna for use therein |
04/28/1998 | US5745083 Slotted leaky waveguide array antenna and a method of manufacturing the same |
04/28/1998 | US5745079 Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna |
04/22/1998 | CN2279700Y Broadband and wideangle laminated microstrip antenna |
04/21/1998 | US5742258 Low intermodulation electromagnetic feed cellular antennas |
04/21/1998 | US5742257 Offset flared radiator and probe |
04/14/1998 | US5739794 Vehicle window antenna with parasitic slot transmission line |
04/14/1998 | CA2047896C Radiating element incorporating impedance transformation capabilites |
04/14/1998 | CA2030886C Microstrip antenna of two-frequency separate-feeding type for circularly polarized waves |
04/08/1998 | EP0834722A2 Microwave level measuring apparatus |
04/07/1998 | US5736965 Compact radio frequency transmitting and receiving antenna and control device employing same |
04/07/1998 | US5736963 Feed device for a multisource and multibeam antenna |
04/07/1998 | US5736907 For controlling the pointing of an antenna aboard an orbiting satellite |
04/02/1998 | WO1998013896A1 Mobile radiotelephony planar antenna |
03/31/1998 | CA2133038C Plane array antenna for receiving satellite broadcasting |
03/26/1998 | DE19638874A1 Mobile telephone planar antenna |
03/25/1998 | EP0831553A2 Antenna device |
03/25/1998 | EP0831552A2 Array antenna, antenna device with the array antenna and antenna system employing the antenna device |
03/25/1998 | EP0831550A1 Versatile array antenna |
03/25/1998 | EP0831548A2 Antenna |
03/25/1998 | EP0831547A2 Microstrip antenna |
03/25/1998 | EP0830754A1 Linear coverage area antenna system for a cdma communication system |
03/25/1998 | CN1037882C 天线系统 Antenna System |
03/19/1998 | CA2208467A1 Dual-band, dual polarization radiating structure |
03/18/1998 | EP0829918A2 A multifunction structurally integrated VHF-UHF aircraft antenna system |
03/17/1998 | US5729237 Probe fed layered antenna |
03/10/1998 | US5726667 Portable communication system |
03/10/1998 | US5726666 Omnidirectional antenna with single feedpoint |
03/04/1998 | EP0826250A1 An antenna device with two radiating elements having an adjustable phase difference between the radiating elements |
03/03/1998 | US5724050 Linear-circular polarizer having tapered polarization structures |
03/03/1998 | US5724049 End launched microstrip or stripline to waveguide transition with cavity backed slot fed by offset microstrip line usable in a missile |
03/03/1998 | US5724048 Array antenna, in particular for space applications |
02/26/1998 | WO1998008270A1 Multifocus reflector antenna |
02/25/1998 | EP0825674A1 Single-wire spiral antenna |
02/25/1998 | CN1174484A Portable radio communication apparatus |
02/24/1998 | US5721553 For holding an object in a measuring apparatus |
02/19/1998 | WO1998007212A1 Launcher for plural band feed system |
02/19/1998 | WO1998007211A1 Shrouded horn feed assembly |
02/19/1998 | WO1998007210A1 Dielectrically loaded wide band feed |
02/19/1998 | WO1998007209A1 Plural band feed system |
02/19/1998 | DE19633147A1 Multifocus-Reflektorantenne Multi-focus reflector antenna |
02/11/1998 | EP0823749A1 Integrated stacked patch antenna |
02/10/1998 | US5717411 Radiating waveguide and radio communication system using same |
02/10/1998 | US5717410 Omnidirectional slot antenna |
02/10/1998 | US5717407 Patch antenna array capable of simultaneously receiving dual polarized signals |
02/03/1998 | US5714964 Horned interferometer antenna apparatus |
02/03/1998 | US5714961 Planar antenna directional in azimuth and/or elevation |
02/03/1998 | US5714960 Parabolic antenna |
01/29/1998 | WO1998004016A1 Ultra-wideband horn antenna with abrupt radiator |
01/29/1998 | DE19726949A1 Slot-line for contactless information transmission |
01/28/1998 | EP0821431A2 Device for generating and emitting microwaves, especially for a filling level measuring device |
01/28/1998 | EP0821428A2 Portable radio communication apparatus |
01/28/1998 | EP0820646A1 Antenna system, in particular an antenna system for traffic communications systems |
01/28/1998 | EP0686313B1 Antenna system |
01/28/1998 | CN1171667A Transmitter-receiver |
01/28/1998 | CN1171640A Surface-mount antenna and communication apparatus using same |
01/27/1998 | US5712644 Microstrip antenna |
01/14/1998 | EP0818848A2 Active receiving antenna |
01/14/1998 | EP0818846A2 Planar antenna |
01/14/1998 | CN1170477A Array of radiating elements |
01/13/1998 | US5708967 Communications system having diagonally-arranged pairs of signal propagators |
01/07/1998 | EP0817394A2 Transmitter-receiver |
01/07/1998 | EP0817310A2 Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna |
01/07/1998 | EP0817305A2 Clamp for mounting an elongated object to a wall |
01/06/1998 | US5705967 High-frequency radiating line |
12/31/1997 | CN2271377Y E-face symmetrial loading metal plate wave guide radiator of microwave thermal treatment machine |
12/31/1997 | CN1169042A Antenna apparatus |
12/30/1997 | US5703599 Injection molded offset slabline RF feedthrough for active array aperture interconnect |
12/29/1997 | EP0814538A1 Integrated flat antenna and radio frequency unit for point-to-point microwave radio communications |
12/29/1997 | EP0814535A2 Surface-mount antenna and a communication apparatus using the same |
12/29/1997 | EP0711462B1 Treatment apparatus |
12/23/1997 | US5701128 Antenna-integrated strip line cable |
12/18/1997 | WO1997048148A1 Conformal antenna assemblies |
12/17/1997 | CN1168007A Microstrip antenna |
12/17/1997 | CA2208098A1 Radio pager |
12/16/1997 | US5699072 Feed-horn with helical antenna element and converter including the same |
12/10/1997 | EP0812029A1 Plural frequency antenna feed |
12/10/1997 | CN1167350A Lens antenna of reducing inner reflection wave interference for improved dielectric material |
12/09/1997 | CA2093161C Wideband arrayable planar radiator |
12/03/1997 | EP0810686A2 Lens antenna having an improved dielectric lens for reducing disturbances caused by internally reflected waves |
12/02/1997 | US5694134 Incorporating continuously variable phase delay transmission lines which provide for steering antenna beam |
11/26/1997 | EP0594714B1 Antipilferage markers |
11/25/1997 | US5691732 Surface mounted chassis antenna atop dielectric base plate and having removable edge portions for tuning resonance |
11/25/1997 | US5691731 Closed slot antenna having outer and inner magnetic loops |
11/19/1997 | CN1165413A Antenina assembly with balun and tuning element for portable radio |
11/18/1997 | US5689263 Method of making a self-adhesive tag |
11/18/1997 | US5689262 Electronic baffle and baffle controlled microwave devices |
11/18/1997 | CA2111394C Slotted leaky waveguide array antenna |
11/13/1997 | DE19617963A1 Antenna for radar filling level measuring system |
11/12/1997 | EP0806062A1 Microstrip patch antennas using very thin conductors |
11/12/1997 | CN1164779A Information transmission facilities and method using radiating guide system |
11/05/1997 | EP0805511A2 Dual frequency feed horn for an antenna |
11/05/1997 | CN1164134A Patch antenna and method for making the same |
11/04/1997 | US5684495 Microwave transition using dielectric waveguides |
11/04/1997 | US5684492 Antenna device having a band pass filter |