Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
07/1993
07/06/1993US5225039 Method for producing a diffraction grating
07/06/1993US5224770 Light box
07/06/1993CA1319845C Optical transform system
07/01/1993DE4143166A1 Laser beam path length multiplying system - contains transparent body with two opposing mirrored surfaces for multiple reflection, windows for entry and exit of laser beam
06/1993
06/30/1993EP0549406A1 Polarising beam splitter and its application in an imaging system
06/30/1993EP0549342A2 Water-soluble azo dyes and polarizing films using the dyes
06/30/1993EP0548971A1 A low emissivity film
06/30/1993EP0548870A1 Color filter
06/30/1993EP0548822A2 Infra-red reflecting material
06/30/1993EP0548668A1 Method for controlling the transmission characteristics of a colour filter and photographic colour printer
06/30/1993EP0548280A1 Retroreflective material with improved angularity.
06/29/1993US5224200 Coherence delay augmented laser beam homogenizer
06/29/1993US5224084 Optical data recording and reproducing apparatus with plane parallel plate and diffraction grating
06/29/1993US5223986 Radiation projecting device
06/29/1993US5223983 Compound prism including interfaces with curvatures of the order of a laser wave length
06/29/1993US5223978 Hybrid diffractive/refractive lens
06/29/1993US5223977 Two sided marker
06/29/1993US5223357 Promotional display signage and method of manufacture
06/29/1993US5223312 Multiple retroreflective striping method and structure
06/29/1993CA1319551C High efficiency cube-corner retroreflective material
06/24/1993WO1993012451A1 Magnified mirror
06/24/1993DE4213347A1 Condensation free mirror installation
06/24/1993DE4140851A1 Sun-blind for protecting building from heating effect of solar radiation - has juxtaposed cells or channels separated by struts, with inner surfaces having larger reflective index for visible radiation than for solar and sky radiation components
06/24/1993CA2058405A1 Holographic beam sampler
06/23/1993EP0547955A1 Optical integrated mirror and its method of manufacture
06/23/1993EP0547949A1 Optical polarization beam splitter and its application for a display system
06/23/1993EP0498884A4 Dc reactively sputtered optical coatings including niobium oxide
06/22/1993US5222025 Method of generating Fresnel mirrors suitable for use with image display systems
06/22/1993US5222000 Amusement device
06/22/1993US5221998 Joined prism assembly and method and apparatus for manufacturing same
06/22/1993US5221987 FTIR modulator
06/22/1993US5221982 Polarizing wavelength separator
06/22/1993US5221977 Laser radiation protection system
06/22/1993US5221957 Nonuniform holographic filter in a spectroscopic system
06/22/1993US5221429 Method of manufacturing phase-shifted diffraction grating
06/22/1993CA1319282C Holographic optical element for instrument panel displays
06/18/1993CA2067447A1 Mirror anti-misting device
06/17/1993DE4141391A1 Mirror for reflecting in intensive IR radiation esp. laser - is produced by epitaxially depositing on oriented silicon@ substrate
06/17/1993CA2084816A1 Integrated optical mirror and its production process
06/16/1993EP0546856A2 Dyes for color filters, photosensitive resist resin compositions containing the same, and color filters
06/16/1993EP0546811A1 Simple adaptive optical system
06/16/1993EP0546774A2 Ultraviolet light apparatus
06/16/1993EP0546748A1 Process for producing phase retarder from a thermoplastic resin film or sheet
06/15/1993US5220463 Optical delay line
06/15/1993US5220462 Diode glazing with radiant energy trapping
06/15/1993US5220447 Liquid crystal display device and phase plate therefor
06/15/1993US5220444 Reflective-type liquid crystal display device with etched oxide layer between substrate and metal film and method for producing same
06/15/1993CA1319186C Color liquid crystal display device and method of manufacturing thereof
06/15/1993CA1319052C Thin film structure having magnetic and color shifting properties
06/10/1993CA2084581A1 Process for producing phase retarder
06/09/1993EP0545735A1 An optical pickup apparatus and a hologram element used for same
06/09/1993EP0545524A1 Hologram system
06/09/1993EP0545347A1 Glass or quartz articles having high temperature resistant, UV absorbing coatings containing ceria
06/09/1993EP0544888A1 Optical scanner
06/09/1993DE4240747A1 Dispersion plate with two=dimensional periodical microstructure - is formed as mat plate with superimposed patterns, each having many circular microstructures
06/09/1993DE4140368A1 Optical system in stereoscopic beam paths for photogrammetric evaluation - has two subsystems with dividers and reflectors, stop system between them for selective sub-path stopping
06/09/1993DE4140032A1 Polygonal mirror group for precision high-speed scanning device e.g. in laser printer - has polygonal mirror lying at centre of bearing with mirror surfaces symmetrical to axis defined by end faces
06/09/1993CN1021138C Thin caliper retroreflective transfer and method for making same
06/08/1993US5218473 Leakage-corrected linear variable filter
06/08/1993US5218472 Optical interference structures incorporating porous films
06/08/1993US5218471 High-efficiency, multilevel, diffractive optical elements
06/08/1993US5218423 Method and apparatus for generating a plurality of radiation beams from incident radiation in a multiple wavelength interferometer
06/08/1993US5217794 Lamellar polymeric body
06/08/1993US5217299 Reflection type lighting apparatus
06/08/1993CA1318800C Multifocal diffractive lens
06/08/1993CA1318799C Multifocals using phase shifting steps
06/02/1993EP0544251A1 Hologram manufacturing method and apparatus
06/02/1993EP0544174A1 Optical component employing refractive and diffractive optical elements to obtain a desired Abbe number
06/02/1993EP0544015A1 Phase difference plate and liquid crystal display
06/01/1993US5216680 Optical guided-mode resonance filter
06/01/1993US5216551 Chromium sulfide undercoat; silver layer; protective layer; cameras; telescopes; microscopes
06/01/1993US5216539 Device of the mirror type in the range of x-uv rays
06/01/1993US5216169 Useful for image-forming in color photographs, color electrophotographs, ink jet systems, thermo-sensitive transfer systems and printing
06/01/1993US5215957 Benz-cd-indole merocyanine blue dyes for color filter array element
06/01/1993US5215832 Comprising transparent glass, sputted multilayer of primer layer, reflective metal layer, barrier layer including an outer zinc containing layer and waterbase protective coatings
05/1993
05/27/1993WO1993003427A3 Photorefractive systems and methods
05/27/1993DE4239003A1 Sun protection with light directing properties - involves lamellas of specific cross-sectional configuration with undersides having profiling providing predetermined light direction for diffuse sky radiation in room
05/27/1993DE4138557A1 Deformable mirror for high energy laser machining device - has hermetic seal between mirror surface and mirror housing containing pre-assembled translators at rear of mirror
05/26/1993EP0543040A1 Multilayer film indicator for determining the integrity or authenticity of an item and process for using same
05/26/1993EP0345327B1 Wedge-filter spectrometer
05/25/1993US5214725 Optical coupler/splitter with a filter
05/25/1993US5214540 Curved mirror optical systems
05/25/1993US5214539 Concave mirror with convex acrylic cover
05/25/1993US5214535 Lens cover assembly for binary diffractive optic lenses
05/25/1993US5214530 Optically variable interference device with peak suppression and method
05/25/1993US5214494 Light sensor with an adjustable spectral characteristic
05/25/1993US5214493 Reduction exposure apparatus with correction for alignment light having inhomogeneous intensity distribution
05/25/1993US5213907 Dense, smooth, ductile, hard, reflective, corrosion resistant, heat resistant, wear resistant
05/25/1993US5213872 Composites of resinous material laminated to surface, printing on surfaces and reflective optical elements
05/25/1993US5213852 Liquid crystal polymer
05/25/1993US5213582 Light-polarizing films or foils containing triphendioxazine or triphendithiazine dyes with good dichrditic properties
05/25/1993CA1318162C Arrangement for imaging multiple arrays of light beams
05/19/1993EP0542581A1 Solid state image pickup apparatus having microlenses
05/19/1993DE4235896A1 Repairing colour filter with blank spot in image or black matrix element - with coloured photosensitive transfer material by exposure through the filter
05/19/1993CN1072273A Point-to-point photoetch method and system used for producing circular optical grating code disk
05/18/1993US5212744 Compact optical switch
05/18/1993US5212596 Nonreflective articles
05/18/1993US5212584 Tunable etalon filter
05/18/1993US5212572 Optical data storage system with compact holographic polarization-sensing or reflectivity-sensing optical storage head
05/18/1993US5212501 Image recording apparatus with a laser optical unit