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)
04/1995
04/11/1995US5406292 Crossed-slot antenna having infinite balun feed means
04/11/1995US5406206 Method of evaluating a geological formation using a logging tool including slot antenna having two nonparallel elements
04/05/1995EP0646983A2 Modulated backscatter microstrip patch antenna
04/05/1995CN1101204A Microwave oven including antenna for radiating microwave
04/04/1995US5404581 Microwave . millimeter wave transmitting and receiving module
04/04/1995US5404148 Phased array antenna module
04/04/1995US5404146 High-gain broadband V-shaped slot antenna
03/1995
03/28/1995US5402136 Combined capacitive loaded monopole and notch array with slits for multiple resonance and impedance matching pins
03/22/1995EP0643876A1 Antenna
03/21/1995US5400039 Integrated multilayered microwave circuit
03/21/1995CA2053643C Double polarization radiating element feeding device
03/21/1995CA2031918C Switched-loop/180° phase bit device with aperture shutter capabilities
03/15/1995EP0643438A1 Leaky coaxial cable for radio frequency
03/15/1995EP0643437A1 Slot antenna with reduced ground plane
03/11/1995CA2131602A1 Slot antenna with reduced ground plane
03/08/1995EP0642190A1 Built-in radiation structure for a millimeter wave radar sensor
02/1995
02/28/1995US5394163 Annular slot patch excited array
02/28/1995US5394160 Portable radio with coplanar ground and atenna conductive films formed on the inner surface of the case
02/28/1995US5394159 Microstrip patch antenna with embedded detector
02/28/1995CA2028753C Circularly polarized broadband microstrip antenna
02/15/1995EP0638957A1 Slot-coupled fed dual circular polarization TEM mode slot array antenna
02/15/1995EP0489934B1 Flat antenna
02/09/1995WO1995004385A1 Treatment apparatus
02/01/1995EP0637096A1 Planar antenna with helical antenna array and strip line feeder pattern coupled thereto
02/01/1995EP0516661B1 Open transmission line locating system
01/1995
01/31/1995US5386214 Electronic circuit device
01/25/1995EP0635899A1 Microstrip array antenna
01/22/1995CA2128454A1 Microstrip array antenna
01/19/1995DE4322992A1 Transmission and/or reception system with optimised polarisation conversion
01/18/1995EP0634809A1 Waveguide antenna with transversal slots
01/17/1995CA2035975C Plural frequency patch antenna assembly
01/17/1995CA2034158C Array antenna with slot radiators offset by inclination
01/17/1995CA2033828C Slot radiator assembly with vane tuning
01/12/1995WO1995001660A1 Nose gear door integral composite glide slope antenna
01/10/1995CA2036108C Microwave coupling arrangement
01/04/1995EP0632677A2 Microwave oven including antenna for radiating microwave
01/04/1995EP0632525A1 Circular-to-linear polarized wave transducer integrated with a horn
01/04/1995EP0632523A1 A planar antenna
12/1994
12/22/1994WO1994029744A1 System for evaluating the inner medium characteristics of non-metallic materials
12/21/1994EP0630070A1 Leaky antenna for personal communications system
12/21/1994CN1027116C Microwave planar array antenna
12/14/1994EP0628217A1 Dual band signal receiver
12/13/1994CA1333503C Antenna lamination technique
12/07/1994EP0627128A1 Dual mode/dual band feed structures
12/07/1994CN2184984Y 辐射头 Radiation head
11/1994
11/30/1994EP0456680B1 Antenna arrays
11/30/1994CA2124619A1 Leaky antenna for personal communications system (pcs)
11/22/1994US5367307 Microwave plate antenna printed on a substrate
11/15/1994US5365244 Wideband notch radiator
11/10/1994WO1994026001A1 Steerable antenna systems
11/09/1994EP0623970A1 Circular or elliptical sectionned antenna, fixed or rotating, fed by single or multiple microwave generators producing multipolarized waves
11/08/1994US5363115 Parallel-conductor transmission line antenna
11/08/1994US5363105 Structure of multi-band microwave detector
11/08/1994CA2063794C Multi-resonant laminar antenna
11/02/1994EP0621952A1 Broadband antennas and electromagnetic field simulators
11/01/1994US5361076 Continuous transverse stub element devices and methods of making same
10/1994
10/27/1994WO1994024723A1 A small, double ring microstrip antenna
10/27/1994WO1994024722A1 Small microstrip antenna having a partial short circuit
10/26/1994EP0621489A2 Partial discharge detecting device for electric high voltage appliance
10/25/1994US5359339 Broadband short-horn antenna
10/25/1994US5359336 Circularly polarized wave generator and circularly polarized wave receiving antenna
10/25/1994US5359334 X-scan aircraft location systems
10/19/1994EP0620565A2 High-frequency coaxial cable
10/13/1994DE4311915A1 Radiating radio-frequency cable having an optical fibre
10/12/1994EP0619621A1 Flat or cylindrically structured applicator with microslot(s), for the emission or the reception of high frequency signals
10/11/1994US5355144 Transparent window antenna
10/11/1994US5355143 Enhanced performance aperture-coupled planar antenna array
10/11/1994US5355142 Microstrip antenna structure suitable for use in mobile radio communications and method for making same
10/05/1994EP0618642A1 Electromagnetic radiator using a leaky NRD waveguide
10/05/1994EP0618637A1 Antenna structure
10/04/1994US5353038 For composite aircraft structures
09/1994
09/29/1994WO1994022180A1 Stacked biconical omnidirectional antenna
09/27/1994CA1332185C Leaky cables
09/21/1994EP0616385A1 High-gain, waveguide-fed antenna having controllable higher order mode phasing
09/20/1994US5349363 Antenna array configurations employing continuous transverse stub elements
09/20/1994CA2037841C High efficiency active printed antenna system for an agile space radar
09/20/1994CA2014661C Nested horn radiator assembly
09/17/1994CA2119068A1 High-gain, waveguide-fed antenna having controllable higher order mode phasing
09/14/1994EP0615305A1 Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide
09/14/1994EP0615285A2 Attaching an electronic circuit to a substrate
09/14/1994EP0614578A1 Compact broadband microstrip antenna
09/01/1994WO1994019842A1 Antenna system
08/1994
08/24/1994EP0612120A1 Dielectric rod antenna
08/24/1994EP0612048A2 Open transmission line locating system
08/18/1994WO1994018580A1 Remote data transfer unit and corresponding transponder
08/17/1994EP0610210A1 Vehicle antenna
08/16/1994US5339089 Antenna structure
08/16/1994US5339058 Radiating coaxial cable
08/10/1994EP0610126A1 Improved microstrip antenna for microwave receiver
08/09/1994US5337065 Slot hyperfrequency antenna with a structure of small thickness
08/09/1994US5337060 Micro-strip antenna
08/03/1994EP0608992A1 Dual purpose, low profile antenna
08/02/1994CA2011475C Low cross-polarization radiator of circularly polarized radiation
08/02/1994CA2004726C Compensated microwave feed horn
07/1994
07/27/1994CN1025542C Pole-changing waveguide slot antenna
07/26/1994CA2114576A1 Dual purpose, low profile antenna
07/26/1994CA2024992C Planar antenna
07/19/1994US5331332 Waveguide coupling structure
07/13/1994CN1089395A Dual mode/dual band feed structure
06/1994
06/28/1994US5325105 Ultra-broadband TEM double flared exponential horn antenna