Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
09/1991
09/04/1991EP0444215A1 Achromatic hologram optical system
09/04/1991EP0444212A1 Converging filter and method of producing same
09/04/1991CN1054319A Alternative interference filter and optical instrument for using it
09/03/1991US5046162 Image input device having color filters and filter position detector
09/03/1991US5045344 Electric arc vapor deposition from mixed metal electrode to form carbides and/or nitrides, automobile headlamps
09/03/1991US5044740 Mirror assembly
09/03/1991US5044727 Beam splitter/combiner apparatus
09/03/1991US5044709 LED array polarized image source/0 degree hologram virtual image head up display
09/03/1991US5044706 Optical element employing aspherical and binary grating optical surfaces
09/03/1991CA1288383C Durable sputtered films of metal alloy oxides
09/03/1991CA1288267C Optical coupler using low or zero birefringence optical fibers
09/03/1991CA1288265C Method and apparatus for controlled emission of light from prism light guide
08/1991
08/28/1991EP0443817A1 Focussed light source pointer for three dimensional display
08/28/1991EP0443793A2 Noninterfering viewing systems for use in catadiotric projection systems
08/28/1991EP0443025A1 Helmet mounted display
08/28/1991CN1054138A Device comprising a color filter
08/28/1991CN1013714B Producing method for grating of colour nion light decoration
08/27/1991US5042925 Polarization-sensitive beam splitter having a polarizing birefringent oriented polymer adhesive layer
08/27/1991US5042920 Liquid crystal display device and color filter for use with the liquid crystal display device with two resin layers over the color filter
08/27/1991US5042915 Light source apparatus for an endoscope
08/27/1991US5042897 Optical waveguide embedded light redirecting Bragg grating arrangement
08/27/1991US5042887 High energy ultraviolet laser reflector grown on a single crystalline substrate
08/22/1991WO1991012551A1 Lens/zone plate combination for chromatic dispersion correction
08/22/1991WO1991012543A1 Diffractive optical element
08/22/1991WO1991012542A1 Reflector, especially for display signs and road signs, and a sign manufactured thereof
08/21/1991EP0442801A2 Manufacturing method of a dielectric multilayer filter
08/21/1991EP0442738A2 Variable wavelength light filter and sensor system
08/21/1991EP0442246A2 Antiglare reflector for light sources
08/21/1991EP0442206A2 Holographic filter
08/21/1991EP0368945A4 Viewing optics for external-mount electron beam welders
08/20/1991US5041714 Workpiece processing arrangement
08/20/1991US5040883 Light fixture with beam shaping lens
08/20/1991US5040880 Quartz optical filter
08/20/1991US5040872 Beam splitter/combiner with path length compensator
08/20/1991US5040864 Optical crosspoint switch module
08/20/1991CA2010496A1 Photographic studio light reflecting apparatus
08/14/1991EP0441255A2 Dicyanoimidazole compound derivative, magenta toner, colored resin, colored molded resin member and color filter incorporating it
08/14/1991EP0441206A1 Optical element employing aspherical and binary grating optical surfaces
08/14/1991EP0441040A2 Laser catheter having diffraction grating for beam shaping
08/14/1991EP0290434B1 Process and screen for disturbing the transmission of infra-red radiation
08/14/1991DE4003923A1 Light scattering body for decorative effects - in which transparent plastic is heated to form internal bubbles which refract laser light
08/14/1991DE4003634A1 Method of producing diffraction grating - involves directing light through transparent matrix with parallel opaque strips
08/14/1991CN1053850A Methods for making polygonal holograph raster
08/14/1991CN1053846A Elements for recording volume transmission holograms
08/14/1991CN1053742A Laser catheter having diffraction grating for beam shaping
08/13/1991US5039352 External wall element for buildings
08/13/1991US5039213 Optical equipment with a semitransparent mirror
08/13/1991US5039203 Optical window member and method for production thereof
08/13/1991US5039201 Double-pass tunable fabry-perot optical filter
08/13/1991CA1287458C Cellular, encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet
08/08/1991WO1991011745A1 Optical elements
08/07/1991EP0440343A2 Improvements in or relating to colour filters for liquid crystal cells
08/07/1991EP0440112A2 Radiation detector and use
08/07/1991EP0440095A2 Process for producing thin films and color filters
08/07/1991EP0439791A1 Light-polarising films or foils containing triphendioxazine or triphendithiazine dyes
08/07/1991EP0439602A1 Infrared radiation absorbing blue glass composition
08/06/1991US5038395 Reflector furnace
08/06/1991US5038041 Filter structure having combined wavelength and polarization sensitive characteristics
08/06/1991US5037191 Orthogonal parabolic reflector systems
08/06/1991US5037186 Optical filter employing a copolyglutamate having thermotropic cholesteric liquid crystal properties
08/06/1991US5037183 Laser drilling
08/06/1991US5037180 Optical filter on optical fiber end face
07/1991
07/31/1991EP0439406A1 Headlight with improved light source
07/31/1991EP0439324A2 Process of forming diffraction grating without using a separation film between positive and negative resists
07/31/1991EP0438868A2 Optical scanner with mirror mounted occluding aperture or filter
07/31/1991EP0438759A2 Optical waveguide embedded light redirecting Bragg grating arrangement
07/31/1991EP0438675A2 Interferometric sensor to measure distance-variations of a small surface
07/31/1991EP0438664A2 Segmented mirror and method of controlling the same
07/31/1991EP0438646A1 Rearview mirror for vehicles, specially for automotive vehicles
07/31/1991CA2035257A1 Colour filters for liquid crystal cells
07/31/1991CA2035154A1 Laser catheter having diffraction grating for beam shaping
07/31/1991CA2034976A1 Process for producing thin films and color filters
07/30/1991US5036042 Magnetic field or direct current as switching means, reversible, modulation of electromagnetic signals
07/30/1991US5035920 Coating support with binder, then aerosol dispensing transparent microspheres to become embedded in binder, signs
07/30/1991US5035770 Methods of making surface relief gratings
07/30/1991US5035763 Preparation of thin films
07/30/1991US5035485 Interference filter with sharp cutoff characteristics
07/25/1991WO1991010926A1 Volume phase hologram with liquid crystal in microvoids between fringes
07/25/1991DE4001516A1 Layer structure esp. for imaging screen - has transparent phosphor layer and polarisation on the sides of the layer structure
07/24/1991EP0437963A2 An optical fiber filter
07/24/1991EP0437914A2 Anti-scatter ultraviolet protected, anti-misting, electro-optical rearview mirror
07/24/1991EP0437510A1 Variable aperture formed by linearly movable elements
07/24/1991CN1053301A Multifocal diffractive ophthalmic lens and method of manufacture
07/24/1991CA2029373A1 Segmented mirror and method of controlling the same
07/24/1991CA2008485A1 Selective interference light filter
07/23/1991US5034763 Viewfinder optical system
07/23/1991US5033819 Light intercepting device in lens barrel
07/23/1991US5033817 Scale for use with opto-electronic scale reading apparatus
07/23/1991US5033810 Optical device
07/23/1991US5033807 Triple mirror wheel and method of making
07/23/1991CA2008382A1 Tunable lasers
07/23/1991CA1286708C Electric heating device for mirror
07/23/1991CA1286479C Transparent alumina microspheres
07/17/1991EP0437020A2 Output optics detection system
07/17/1991EP0436924A2 Beam combining/splitter cube prism for color polarization
07/17/1991CN1053033A High performance grating for duplication
07/16/1991US5033060 Optical device for laser coupling and coherent beam combining
07/16/1991US5032005 High speed shutter mechanism for a light beam
07/16/1991US5032004 Beam splitter apparatus with adjustable image focus and registration
07/16/1991US5032003 Optially variable surface pattern