Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
05/1991
05/21/1991US5016997 Partially segmented deformable mirror
05/21/1991US5016995 Radiation gathering and focusing apparatus and devices
05/21/1991US5016985 Infrared filter using cholesteric liquids
05/21/1991US5016977 Optical lens for correcting astigmatism
05/21/1991US5016954 Optical pickup and hologram therefor
05/21/1991US5016951 Fiber optic diffraction grating maker
05/21/1991US5016950 Full-color zero-order suppressed diffraction optics diffusing screen/louver filter laminate
05/21/1991CA2026607A1 Reflector and lighting fixture comprising same
05/21/1991CA1284282C Wavelength filter integrated into an optical waveguide
05/18/1991CA2029805A1 Beam shaping system using diffraction
05/17/1991CA2029964A1 Process for the preparation of optical color filters
05/16/1991WO1991006889A1 Light control devices with liquid crystals
05/16/1991WO1991006880A1 Reflective material
05/16/1991WO1991006613A1 Temperature compensation of liquid-crystal parameters
05/16/1991DE4036025A1 Fingerprint recognition device - uses hologram, flat CCD and laser and produces distortion-free images
05/15/1991CN2077133U Ring art raster membrane
05/15/1991CN1051430A Grating objective and grating-beam shaper and optical scanning device comprising at least are of said elements
05/14/1991US5016237 Prism optics stable with respect to wavelength and temperature variations and optical information processing apparatus
05/14/1991US5015416 Photochromic polymeric membrane
05/14/1991US5015049 Method of forming holographic optical elements free of secondary fringes
05/14/1991CA1284141C Encapsulated-lens retroreflective sheeting and method of making
05/08/1991EP0426497A2 Helmet mounted display
05/08/1991EP0426433A2 Light fixture for externally illuminated sign
05/08/1991EP0426411A2 Light fixture with beam shaping lens
05/08/1991EP0426397A1 Asymmetrical reflector for LED
05/08/1991EP0426248A2 Grating objective and grating-beam shaper, and optical scanning device comprising at least one of said elements
05/08/1991EP0163743B1 Monochromator
05/08/1991CN2076683U Double-face right-angle prism
05/07/1991US5013487 Infrared radiation absorbing glue glass composition
05/07/1991US5013141 Liquid crystal light modulation device
05/07/1991US5013133 Diffractive optical imaging lens systems
05/07/1991US5013107 Polarization selective holographic optical element
05/07/1991CA1283893C Apparatus for continuously controlled emission of light from prism light guide
05/07/1991CA1283817C Flat transparent top coat for retroreflective sheeting
05/02/1991WO1991006030A1 A beam splitter for color imaging apparatus
05/02/1991WO1991006021A1 Mirror-typed device for use in the range of uv rays and x-rays
05/02/1991WO1991005979A1 Polyaniline compositions, process for their preparation and uses thereof
05/02/1991WO1991005904A1 Artificial leather having holographic diffraction grating
05/02/1991WO1991004508A3 Helmet mounted display
05/02/1991EP0425344A2 Light polarizing materials and suspensions thereof
05/02/1991EP0425116A1 Fabrication of lightweight ceramic mirrors by means of a chemical vapor deposition process
05/02/1991EP0424950A2 Polarized head up display
05/02/1991EP0424949A2 Polarized holographic head up display
05/02/1991EP0424786A2 Raster scanning system utilizing overfilled polygon facet design with non-reflective facet edges
05/02/1991EP0424520A1 Method for fabricating a transparent polymer lens with modulated refraction index.
05/02/1991DE3936127A1 Optical element selection device for colour electrographic copier
04/1991
04/30/1991US5012212 Open resonator for electromagnetic waves having a polarized coupling region
04/30/1991US5011628 N,N'-diarylbenzamidines useful as ultraviolet light absorbers
04/30/1991US5011284 Detection system for Raman scattering employing holographic diffraction
04/30/1991US5011265 Optical attenuator
04/25/1991DE3934196A1 Optical filter device - has point density and distribution simulated by algorithm
04/25/1991CA2028267A1 Projection cathode ray tube
04/24/1991EP0424110A2 Diffraction grating for colour separation and method for producing the same
04/24/1991EP0424096A1 Bar code readers
04/24/1991EP0423881A1 Liquid-crystal display device
04/24/1991EP0423880A1 Molecularly oriented synthetic resin composition
04/24/1991EP0423812A2 Scanning optical apparatus
04/24/1991EP0423702A2 Multiplexer-demultiplexer for intergrated optic circuit
04/24/1991EP0423680A2 Method of manufacturing display having diffraction grating patterns
04/24/1991EP0423352A1 Method of production and duplication of filter, and method of production of photosensitive member provided with the filter
04/24/1991EP0423147A1 Crystal growth from colloidal spheres in suspension.
04/24/1991EP0423144A1 Arrangement for head-up displays of motor vehicles
04/24/1991EP0296202B1 Off-axis holographic instrument illuminator
04/24/1991EP0207154B1 Optical logic arrangement
04/24/1991CA2022932A1 Fabrication of lightweight ceramic mirrors by means of a chemical vapor deposition process
04/23/1991US5010396 Television projector for projection display
04/23/1991US5009935 Applying a nitrogen containing compound to form a complex which is water insoluble
04/23/1991US5009930 Method for forming a deposited layer on a skirted substrate
04/23/1991US5009920 Vapor deposition
04/23/1991US5009487 Prism system for a stereoscopic microscope
04/23/1991US5009486 Form depicting, optical interference authenticating device
04/23/1991US5009485 Multiple-notch rugate filters and a controlled method of manufacture thereof
04/23/1991US5009484 Diffraction gratings having high efficiencies
04/23/1991US5009472 Light scanning device with polarizing device to make light transmission more uniform
04/23/1991CA1283473C Color liquid crystal display and method for manufacturing it
04/18/1991WO1991005277A1 An optical correlator system
04/18/1991WO1991005276A1 Optical system for reproducing color video images
04/18/1991DE3934546A1 Multi-segment mirror - assembled with specified bonded intermediate strips of same coefficient of expansion
04/17/1991EP0422957A2 Multiple beam optical modulation system
04/17/1991EP0422854A2 Optical amplifier-photodetector device
04/17/1991EP0422815A2 Reflectors for lamps
04/17/1991EP0422736A1 Mirror-arrangement for the range of UV- and X-rays
04/17/1991EP0422514A1 Fast fading, high refractive index photochromic glass
04/17/1991EP0422084A1 Light, in particular a light for motor vehicles.
04/17/1991CA2027429A1 Multiplexer-demultiplexer for integrated optic circuit
04/16/1991US5008527 Optical system employing a transmitting solid corner cube
04/16/1991US5008166 Method for manufacturing a color filter
04/16/1991US5008142 License plates, highway signs; network of crosslinked reactive and non-reactive polymers
04/16/1991US5007942 Uniform polarizing performance of the filter over the entire spectral range
04/16/1991US5007725 Mechanism with torque-limiting device for controlling a rearview mirror
04/16/1991US5007710 Multi-layered surface reflecting mirror
04/16/1991US5007709 Diffraction grating and manufacturing method thereof
04/16/1991US5007708 Technique for producing antireflection grating surfaces on dielectrics, semiconductors and metals
04/11/1991DE3932505A1 Machine readable data carrier with optically variable element
04/11/1991DE3931594A1 Heat insulating, transparent outer building wall component - has outer panel with numerous optical elements, with focal planes in heat insulating layer plane
04/11/1991DE3930774A1 Projector for video colour picture - has three mutually inclined mirror faces in intersection point of partial light current axes
04/10/1991EP0421886A1 Display system
04/10/1991EP0421855A1 Optical reproduction system for coloured video images
04/10/1991EP0421810A2 A directional reflector
04/10/1991EP0421809A2 A screen and projector for use in a front projection system