Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
07/1991
07/16/1991US5031989 Optical filter coupler
07/16/1991CA1286132C Security diffraction devices difficult to exactly duplicate
07/16/1991CA1286068C Encapsulated-lens retroreflective sheeting having improved cover film
07/12/1991WO1991010563A1 Mirrorback coating
07/11/1991WO1991010212A1 Orthogonal parabolic reflector systems
07/11/1991WO1991010174A1 Pressure casting material having hologram or diffraction grating
07/10/1991EP0274492B1 Metrological scale
07/10/1991CN1052957A Manufacturing method of holographic lenses array
07/09/1991US5030837 Thermal beacon assembly
07/09/1991US5029990 Detection system for polarized radiation incident with a skewed polarization plane
07/09/1991US5029988 Birefringence diffraction grating type polarizer
07/09/1991US5029981 Diffraction grating
07/03/1991EP0435644A2 Scanning system
07/03/1991EP0435525A2 Multifocal diffractive ophthalmic lens and method of manufacture
07/03/1991EP0435510A2 Method and apparatus for recording Lippmann holographic mirrors
07/03/1991EP0435217A2 Embedded Bragg grating pumped lasers
07/03/1991EP0435201A2 Optical waveguide embedded light redirecting and focusing bragg grating arrangement
07/03/1991EP0435147A2 Elements for recording volume transmission holograms
07/03/1991CA2007020A1 Device and method for the concentration of solar rays with automatic tracking of the sun
07/02/1991US5029297 Optical amplifier-photodetector device
07/02/1991US5029255 Optical scanning device including mirror objective having two windows at least one having an aspherical surface
07/02/1991US5029060 Uniform intensity profile catadioptric lens
07/02/1991US5029010 Imaging system with optical low-pass filter
07/02/1991US5028136 Rugate optical filter systems
07/02/1991US5028134 Depolarizer for light measuring instruments
07/02/1991US5028119 Aircraft head-up display
07/02/1991US5028103 Optical scanning apparatus
06/1991
06/29/1991CA2032697A1 Elements for recording volume transmission holograms
06/29/1991CA2006909A1 Method and apparatus preventing overexposure to imaging photosensitive devices or the human eye
06/28/1991CA2032915A1 Beam combining/splitter cube prism for color polarization
06/28/1991CA2030591A1 Multifocal diffractive ophthalmic lens and method of manufacture
06/27/1991WO1991009726A1 Tamper evident, tamper resistant packaging material, preparation and use
06/27/1991CA2067251A1 Tamper evident, tamper resistant packaging material, preparation and use
06/26/1991EP0434656A2 Solar screening assembly
06/26/1991EP0434273A2 Electromagnetic radiation filter elements and methods of fabrication
06/26/1991EP0433944A2 Image processing apparatus
06/26/1991CN1052424A Silvering terylene optic and productive technology thereof
06/25/1991US5027219 Apparatus and method for converting pictures or images into video signals
06/22/1991CA2006617A1 Heated mirror for a shower
06/21/1991WO1991009329A1 Magnesium film reflectors
06/21/1991CA2071913A1 Magnesium film reflectors
06/21/1991CA2030832A1 Solar screening assembly
06/20/1991DE3941705A1 Isotropic radiator for spherical cavities - has optical fibre slidable in catheter having envelope at one end fillable with dispersant from separate channel
06/20/1991DE3941608A1 Laser welding jet - has feed drillings in tool head and body for gas and coolant in a compact appts.
06/19/1991EP0433160A1 Airborne optoelectronic identification and location equipment with compensated facet window
06/19/1991EP0433148A1 Process for making a metallic deposition on a carbon substrate and mirror obtained by this process
06/19/1991EP0432918A2 Vehicle headlamp assembly
06/19/1991EP0432841A2 Spiro-indoline-oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation
06/19/1991EP0432708A1 Glass-to-polycarbonate adhesive for color filter array
06/19/1991EP0432608A2 Method of making colour filter array for liquid crystal display
06/19/1991EP0432465A2 Method for making optical color filters
06/19/1991CN1052340A Single-crystal diamond of very high thermal conductivity
06/18/1991US5025464 Pseudo-random support structure for transmission gratings
06/18/1991US5025278 Laminate of carbon fiber reinforced resin sheets
06/18/1991US5024926 Heat, light, weather resistance; for optical recording media, filters, liquid crystal displays
06/18/1991US5024920 Cathide ray tubes
06/18/1991US5024850 Method of manufacturing a polarization filter and a polarization filter so obtained
06/18/1991US5024726 Method for producing a λ/4 shift type diffraction grating
06/18/1991US5024514 Lateral transfer retroreflector and roof mirror for same
06/18/1991US5024496 Polygonal mirror for scanning light beam
06/18/1991US5024494 Focussed light source pointer for three dimensional display
06/18/1991CA1284909C Optical beam splitter prism
06/16/1991CA2031736A1 Identification and localization airborne optoelectronic equipment with a compensated facet porthole
06/13/1991DE4018072A1 Portable electric lamp with reflector and battery - is secured with clip to clothing of user or to exterior of obstacle in poor visibility
06/13/1991DE4007119A1 Colour filter e.g. for solid state image sensor - has at least 2 mutually different filtering characteristics corresponding to pixels placed in array on background substrate
06/12/1991EP0431894A2 Polarization converter for converting randomly polarized light to linearly polarized light
06/12/1991EP0431249A2 Electrostatic deposition of LCD color filters
06/12/1991CA2028173A1 Method of making color filter array for liquid crystal display
06/12/1991CA2027523A1 Glass-to-polycarbonate adhesive for color filter array
06/11/1991US5023723 Image sensing apparatus having plural image sensors and plural shutters
06/11/1991US5023209 Fast fading, high refractive index photochromic glass
06/11/1991US5022739 Direction indicating reflector with planar reflector panels including cube corners
06/11/1991US5022728 Device composed of a light guide plate
06/11/1991US5022726 High reflectivity
06/06/1991DE3939577A1 HF light beam deflector e.g. for laser - has spiral mirror surfaces provided by rotating mirror
06/05/1991EP0430911A1 Optical coupling device
06/05/1991EP0430776A1 Radiation reflecting mirror, particularly for lighting fixtures
06/05/1991EP0430470A2 Reflector and lighting unit comprising same
06/05/1991EP0430183A2 Fiber type light wave-length converting apparatus
06/05/1991EP0429588A1 Attenuator for a laser beam.
06/04/1991US5022064 X-ray optical system formed by multilayer reflecting mirrors for reflecting X-rays of different wavelengths
06/04/1991US5020886 Parabolic
06/04/1991US5020884 Optical cell
06/04/1991US5020880 Low distortion window for use with high energy lasers
06/04/1991US5020879 Flexible replica grating
06/04/1991US5020876 Standard remote manipulator system docking target augmentation for automated docking
05/1991
05/29/1991EP0429243A2 Beam shaping system using diffraction
05/29/1991EP0428867A2 Procedure for protecting an aperture during the production of electron beam pulses
05/29/1991EP0428688A1 Electro-optical system with compensation film.
05/28/1991US5019703 Optical scanner with mirror mounted occluding aperture or filter
05/28/1991US5019458 Protected silvered substrates and mirrors containing the same
05/28/1991US5018833 Neutral density filters
05/28/1991US5018832 Device for preventing generation of harmful light in objective lens assembly
05/28/1991US5018830 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark
05/28/1991US5018804 Laser pick-up
05/28/1991US5018803 Three-dimensional volumetric sensor
05/28/1991CA2030474A1 Radiation reflector mirror, in particular for lighting apparatus
05/22/1991EP0428390A2 Manufacturing method of optical diffraction grating element
05/22/1991EP0428213A1 Polarisation-sensitive beam splitter
05/21/1991US5017000 Multifocals using phase shifting