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