Patents
Patents for H01Q 15 - Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices (7,888)
06/2004
06/10/2004US20040107641 Sidelobe controlled radio transmission region in metallic panel
06/09/2004CN1153316C Combination satellite and VHF/UHF receiving antenna
06/09/2004CN1153315C Antenna device
06/08/2004US6747608 High performance multi-band frequency selective reflector with equal beam coverage
06/08/2004US6747607 Radiation power limiter
06/08/2004US6747604 Steerable offset antenna with fixed feed source
06/03/2004US20040105176 Reflector dish
06/03/2004US20040104861 Deployable antenna reflector
06/02/2004EP1424620A1 Card-shaped medium
06/02/2004CN1502143A Antenna with virtual magnetic wall
06/01/2004US6745057 Portable telephone
06/01/2004US6744411 Electronically scanned antenna system, an electrically scanned antenna and an associated method of forming the same
05/2004
05/27/2004WO2004021067A3 Variable quasioptical wave plate system and methods of making and using
05/27/2004US20040100343 Phase angle controlled stationary elements for long wavelength electromagnetic radiation
05/26/2004EP1422784A1 Glazing panel with a radiation-reflective coating layer
05/26/2004EP1421650A2 Conformal two dimensional electronic scan antenna with butler matrix and electronic scan array (esa) lens
05/26/2004EP1421646A1 An electromagnetic window
05/26/2004EP0941558A4 Microwave antenna
05/26/2004CN1499671A Cone-shaped crossed field emission antenna assembly
05/26/2004CN1151590C Improved reflector antenna with self-supported feed
05/25/2004US6739028 A hi-z structure in which the capacitors are vertical, instead of horizontal, so that they may be trimmed after manufacturing, for tuning purposes
05/19/2004EP1419553A1 Quasi-optical variable beamsplitter
05/19/2004EP1419403A1 Lens of gradient dielectric constant and methods of production
05/19/2004CN1497781A Double polarization antenna
05/19/2004CN1497780A Multi-beam antenna of shaped reflector
05/19/2004CN1497273A Wiregrating polarizer
05/19/2004CN1150653C Linear-circular polarizer
05/18/2004US6735920 Deployable space frame and method of deployment therefor
05/13/2004WO2004040696A1 Multibeam antenna with photonic bandgap material
05/13/2004WO2004040695A1 Frequency multiband antenna with photonic bandgap material
05/13/2004WO2004040694A1 Multiple-beam antenna with photonic bandgap material
05/13/2004US20040090368 Microstrip antenna array with periodic filters for enhanced performance
05/12/2004EP1418643A2 Microstrip antenna array with periodic filters
05/12/2004CN1149715C Focusing device comprising lunegerg lens and method for making such lens
05/12/2004CN1149714C Horn-type feeder unit
05/06/2004WO2004038855A1 Glazing panel with a radiation-reflective coating layer
05/06/2004WO2004019443A9 Communication system with broadband antenna
05/06/2004US20040085657 Hinged substrate for large-aperture, lightweight, deformable mirrors
05/06/2004US20040085255 Reflecting mirror support structure and adjusting method therefor
05/06/2004US20040085254 Reflector and antenna system containing reflectors
05/06/2004US20040084207 Molded high impedance surface and a method of making same
05/06/2004EP1416586A1 Antenna with an assembly of filtering material
05/06/2004DE10144586A1 Radar system has reflector placed at periphery of predetermined zone, for reflecting radiation received from transmitter back to receiver
05/05/2004CN1148836C Forming method and device for integrated antenna disc body
05/04/2004US6730928 Phase change switches and circuits coupling to electromagnetic waves containing phase change switches
05/04/2004US6730389 Coated substrate having a frequency selective surface
04/2004
04/29/2004WO2004036690A2 Inflatable reflector
04/29/2004WO2004036689A1 Low profile slot or aperture antenna using backside fed frequency selective surface
04/29/2004US20040080841 Radiation reflector
04/29/2004US20040080447 Miniature omni-directional corner reflector
04/29/2004DE202004000680U1 Reflektiver Signalverstärker für eine Omini-Antenne Reflective signal amplifier for Omini antenna
04/28/2004CN2613929Y Covered type reflector for communication antenna
04/28/2004CN1147970C Energy feeding curve produced by using natural isogonal rotary line and natural isogonal arc line
04/27/2004US6727863 Planar band gap materials
04/22/2004WO2004034509A2 Method of manufacturing molded components
04/22/2004WO2004034504A1 Tunable electromagnetic band-gap composite media
04/22/2004WO2004008575A8 Real-time, cross-correlating millimetre-wave imaging system
04/22/2004US20040077320 Communication apparatus, method of transmission and antenna apparatus
04/22/2004US20040075923 Optical component
04/22/2004US20040075617 Low profile slot antenna using backside fed frequency selective surface
04/21/2004EP1411377A1 Wire grid polarizer
04/21/2004CN1147028C Plastically deformable antenna reflector for space craft
04/20/2004US6724130 Membrane position control
04/15/2004US20040070829 Wire grid polarizer
04/15/2004US20040070549 Inflatable reflector
04/15/2004DE10246607A1 Electro-chrome radar sensor e.g. for motor vehicle applications, has radar-sensor arrangement provided in forward direction of electromagnetic wave from observed object
04/15/2004DE10196803T5 Strahlungsreflektor Radiation reflector
04/15/2004CA2438741A1 Wire grid polarizer
04/14/2004EP1408581A2 Steerable offset antenna with fixed feed source
04/14/2004CN1489803A Communication apparatus, method for transmisswion and autenna apparatus
04/13/2004US6721103 Method for fabricating luneburg lenses
04/13/2004US6720936 Adaptive antenna system
04/13/2004US6720931 Planar antenna for beam scanning
04/08/2004US20040066344 Steerable offset antenna with fixed feed source
04/08/2004US20040066340 High impedance structures for multifrequency antennas and waveguides
04/07/2004EP1406350A2 Shaped-reflector multibeam antennas
04/07/2004EP1406348A2 Dual polarised antenna
04/07/2004CN2610504Y Improved small aperture sputtering plate antenna
04/06/2004US6717544 Radar sensor
04/01/2004US20040061948 Method for fabricating luneburg lenses
03/2004
03/31/2004CN1486521A Cavity antenna with reactive surface loading
03/25/2004WO2004025783A1 Periodic electromagnetic structure
03/25/2004WO2004025777A1 Device and method to adjust the elevation and azimut angles for a satellite communication antenna
03/25/2004WO2004008576B1 Spatial filtering surface operative with antenna aperture for modifying aperture electric field
03/25/2004US20040056818 Dual polarised antenna
03/25/2004DE19756718B4 Fassadenplatte und Fassade für eine Gebäudewand Facade panel and facade for a building wall
03/18/2004WO2004023602A1 Reflector
03/18/2004US20040051986 Ultra-lightweight electromagnetic wave concentrator and method for manufacture thereof
03/18/2004US20040051430 Electromagnetic wave marker and electromagnetic wave marker system
03/11/2004WO2004021067A2 Variable quasioptical wave plate system and methods of making and using
03/11/2004WO2004020186A2 Indefinite materials
03/09/2004US6703982 Conformal two dimensional electronic scan antenna with butler matrix and lens ESA
03/09/2004US6703980 Active dual-polarization microwave reflector, in particular for electronically scanning antenna
03/09/2004US6703979 Grating
03/04/2004WO2004019443A1 Communication system with broadband antenna
03/04/2004WO2004008570A3 Antenna system with active spatial filtering surface
03/04/2004US20040041741 Antenna
03/04/2004CA2496053A1 Communication system with broadband antenna
02/2004
02/26/2004WO2004017454A1 Parallel plate waveguide structure
02/25/2004EP1391005A1 Two-layer wide-band meander-line polarizer
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