Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
05/1993
05/18/1993US5212471 Polarized heads up display
05/18/1993US5212381 Method of controlling slow scan direction of spot position in an optical output device employing an electro-optical control apparatus
05/18/1993US5212375 Camera focus detection system using holographic beam splitter
05/18/1993US5211997 Enhancement of electromagnetic barrier properties
05/18/1993CA1317783C Optoelectrical particle detection apparatus
05/18/1993CA1317716C Plastic optical phase sheet
05/13/1993WO1993009478A2 Radially symmetric hologram and method of fabricating the same
05/13/1993WO1993009151A1 Polymerizable organic resin compositions and articles prepared therefrom
05/13/1993CA2122709A1 Radially symmetric hologram and method of fabricating the same
05/12/1993EP0541371A1 Display panel for daylight and artificial illumination with shaped substrate, colour filter and reflection film
05/12/1993EP0541370A1 Display panel for daylight and artificial illumination with shaped colour filter and reflection film
05/12/1993EP0541308A1 Phase retarder
05/12/1993EP0541179A2 Optical mixer
05/12/1993EP0540690A1 Photochromic chromene compounds.
05/12/1993CN1020639C Process for preparing high transmissivity and low radiant ratio products contg. sn/zn alloy oxide coating
05/11/1993US5210654 Rapid defocusing system for electromagnetic radiation reflective concentrator
05/11/1993US5210645 Light blocking device for optical lenses
05/11/1993US5210630 Optically anisotropic synthetic resin, polyacrylate
05/11/1993US5210625 Holographic efficiency adjustment
05/11/1993US5210400 Solid-state imaging device applicable to high sensitivity color camera and using diffraction gratings
05/11/1993US5210122 Near-infrared stabilized copolyestercarbonate compositions
05/11/1993US5209557 Photographic light
05/11/1993CA1317491C Multiple imaging-forming apparatus
05/11/1993CA1317445C Method of making a triple-mirror-wheel
05/09/1993CA2081995A1 Optical mixer
05/09/1993CA2081626A1 Phase retarder
05/06/1993WO1993009449A1 Optical interference coating comprising interleaved thin-film stacks
05/06/1993DE4226294A1 Segmental reflective mirror mfr. for reflective telescope - uses computer evaluation of thermal expansion coefficient vectors to select positioning of mirror segments for min. distortion
05/06/1993CA2097811A1 Optical interference coating comprising interleaved thin-film stacks
05/06/1993CA2082195A1 Pseudo-luminous panel substrate therefor, and display element and device using the pseudo-luminous panel
05/06/1993CA2082182A1 Pseudo-luminous panel, optical color filter therefor, and display element and device using the pseudo-luminous panel
05/05/1993EP0540335A2 Printed grating decorative plate
05/05/1993EP0540241A1 A 180-degree wide angle strip imaging optical system
05/05/1993EP0540215A2 Polymeric minus filter
05/05/1993EP0539671A1 Process for the production of a plastic preform with pores
05/05/1993EP0539606A1 Photopolymerizable composition for color filter and color filter obtained therefrom
05/04/1993USH1182 Dielectric optical switch
05/04/1993US5208704 For space telescopes, rigidity, inorganic fibers, clay sealant glassy layer
05/04/1993US5208700 Lens cover assembly for binary diffractive optic lenses
05/04/1993US5207852 Method for making permeable retroreflective sheeting
05/04/1993US5207505 Illumination light source device
05/04/1993CA1317264C Variable beamwidth stage light
05/04/1993CA1317077C Dye-containing light-polarizing film
05/02/1993CA2081802A1 Wide field strip-imaging optical system
04/1993
04/30/1993CA2080666A1 Printed glass grating decorative plate
04/29/1993WO1993008491A1 Generating defined structures on materials using combined optical technologies for transforming the processing beam
04/29/1993WO1993008490A1 Dielectric interference mirror and method for making same
04/29/1993WO1993007787A1 Goods detector for checkouts
04/29/1993DE4135041A1 Holographic aiding for driver in difficult vehicular manoeuvre - forming directly observable image of rectangular structure mounted in vertical plane above rear edge of vehicle
04/28/1993EP0539226A1 Laser beam optical scanner
04/28/1993EP0539217A2 Holographic elements for an optical recording system
04/28/1993EP0539099A2 Repositionable optical cover for monitors
04/28/1993EP0538864A2 Buckminsterfullerenes for optical limiters
04/28/1993EP0538796A1 Homeotropic liquid crystal device
04/28/1993EP0538728A1 Light conductive device
04/28/1993CN1071514A Optical interconnecting network combinated prism
04/28/1993CN1071378A Wide-angle viewing mirror for automotive vehicles
04/27/1993US5206765 Precision slit of adjustable width for a spectral instrument
04/27/1993US5206752 Optical rotator formed of a twisted nematic liquid crystal polyster including an ortho-substituted aromatic unit
04/27/1993US5206750 Method of forming a color filter for a liquid crystal color display apparatus
04/27/1993US5206749 Liquid crystal display having essentially single crystal transistors pixels and driving circuits
04/27/1993US5206675 Real image mode finder optical system
04/27/1993US5206502 Laser radiation detection system
04/27/1993US5206499 Strapdown stellar sensor and holographic multiple field of view telescope therefor
04/27/1993US5206491 Plural beam, plural window multi-direction bar code reading device
04/27/1993US5205967 Controlled heating and compression to form birefringent optical elements, then controlled cooling for preservation
04/27/1993CA1316993C Viewing optics for external-mount electron beam welders
04/27/1993CA1316739C Variable aperture formed by linearly movable elements
04/27/1993CA1316728C Multi-focal diffractive ophthalmic lenses
04/27/1993CA1316727C Multifocal optical device
04/26/1993CA2079620A1 Holographic elements for an optical recording system
04/21/1993EP0537643A1 Ophthalmic lens
04/21/1993EP0537439A1 Security element
04/21/1993EP0537214A1 Colour filter adapter with changeable colour for optical pickup and projecting apparatuses resp. method for its production
04/21/1993CN1071261A Multufinctional polarizing prism for division displacement and partial overlay of digital image
04/20/1993US5204777 Energy efficient skylight and blind
04/20/1993US5204773 Ultraviolet light filter and filter system
04/20/1993US5204771 For transmitting lights from incoming and outgoing ports
04/20/1993US5204769 Postobjective optical deflector
04/20/1993US5204765 Liquid crystal display device having reflector of a substrate, a patterned resin, and a reflective film, and method of making same
04/20/1993US5204763 Light-scattering element
04/20/1993US5204160 Light-collimating film
04/20/1993CA1316435C Protecting metallic layers on substrates
04/20/1993CA1316381C Progressive intensity phase plate bifocal
04/15/1993WO1993007528A1 Device for enhancing the contrast of a liquid crystal screen and method for producing such device
04/15/1993WO1993007518A1 Process for manufacturing multicolor display
04/15/1993WO1993007516A1 Ceramic mirror and method of manufacturing the same
04/15/1993WO1993007515A1 Anti-reflection coatings
04/15/1993WO1993007001A1 Method and apparatus for dot matrix writing using a continuous wave laser
04/15/1993DE4232977A1 Light scattering panel for liquid crystal indicator - has base of transparent material covered with layer of synthetic resin in which glass beads are embedded
04/15/1993CA2116845A1 Low color purity, anti-reflection coatings for transparent glazings oriented at high angles of incidence
04/14/1993EP0536763A1 Hologram and apparatus for manufacturing holographic plate
04/14/1993EP0536726A2 Arrangement of optically interconnecting a plurality of light emitter/receiver modules respectively mounted on separate circuit boards
04/14/1993EP0309520B1 Lightweight silicon carbide mirror
04/14/1993CN1071016A Photorefractive systems and methods
04/13/1993US5202875 Multiple data surface optical data storage system
04/13/1993US5202794 Attenuator for a laser beam
04/13/1993US5202791 Optical amplifying apparatus
04/13/1993US5202775 Radically symmetric hologram and method of fabricating the same
04/13/1993US5202743 Long range laser ranging device