Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
09/1990
09/11/1990US4956650 Pattern generation system
09/11/1990US4955691 Optical parallel processor
09/11/1990US4955682 Scanning optical system
09/11/1990US4955390 Process for the determination of the presence of a psychedelic state
09/11/1990CA1273857A1 Container for accommodating a pile of pictures
09/07/1990WO1990010247A1 Partially coherent optical system with scattering type object
09/05/1990EP0385780A2 Image overlaying system
09/05/1990EP0385705A2 Apparatus and method for digitized 3D video system
09/05/1990EP0385697A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
09/05/1990EP0385079A2 Viewing system for chain vehicles
09/05/1990CN1045177A Optical carrier-phase shift method for testing direction of principal stress
09/04/1990US4954890 Driving method for 3-D high luminance LCD projector
09/04/1990US4954702 Process for detecting a focal point in an optical head
09/04/1990US4953963 Aviator's night vision system
09/04/1990US4953962 Microscope objective for accommodating different cover-glass thicknesses
09/04/1990US4953950 Apparatus for producing ultra-high power ultra-high density laser beam
09/04/1990US4953949 Device for forming a picture
09/04/1990US4953937 Illumination optical system
09/04/1990US4953927 Lens assembly for long-life laser imaging system
09/04/1990US4953926 Scanning optical system for use in a laser beam printer
09/03/1990WO1990010326A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
08/1990
08/30/1990DE4004423A1 Einrichtung zur chirurgischen behandlung der ametropie Device for surgical treatment of ametropia
08/29/1990EP0384880A2 Direct incorporation of night vision in a helmet mounted display
08/29/1990EP0384701A2 Solid state image pick-up apparatus
08/29/1990EP0384377A2 Optical sensing system
08/29/1990EP0383942A1 Laser beam relay unit
08/29/1990EP0383832A1 Method for measuring diameters of wires, profiles or circular parts by diffraction of light rays and device for implementing such method.
08/29/1990EP0383752A1 Powder diffraction method and apparatus.
08/28/1990US4952956 Finder optical system
08/28/1990US4952783 Light transmitting flexible film electrical heater panels
08/28/1990US4952056 Method of determining the autocollimation angle of a grating coupler
08/28/1990US4952026 Integral optical element and method
08/28/1990US4952024 Three-dimensional sight and sound reproduction apparatus for individual use
08/28/1990US4952014 Optical systems with thin film polarization rotators and method for fabricating such rotators
08/28/1990US4952004 Improved kaleidoscopic device
08/28/1990US4951595 Method of indicating data on light transmitting substrates
08/23/1990WO1990009608A1 Write with light optical notching filter
08/23/1990WO1990009607A1 Optical lenses and related devices
08/23/1990DE3904896A1 Optical element for obtaining an approximately uniform illumination in a plane of observation
08/22/1990EP0383646A1 High-definition colour display device
08/22/1990EP0383399A2 Planar optical insulator
08/22/1990EP0383308A2 Image reading device
08/22/1990CN2060665U Electronical kaleidoscope with amblyopia-health function
08/21/1990US4950889 Chromatic and misalignment compensation in a multiple beam laser scanning system
08/21/1990US4950880 Synthetic aperture optical imaging system
08/21/1990US4950706 Eyeglasses camera lenses, windows; glass additive of magnesium compound niobium oxide, barium fluoride and lead
08/21/1990US4950567 Holographic optical combiners for head-up displays
08/21/1990US4950063 Automatic compensation of optical path for gimbaled phased array telescope
08/21/1990US4950050 Optical target recognition system
08/21/1990CA2010434A1 Direct incorporation of night vision in a helmet mounted display
08/21/1990CA1273132A1 Bulk optic echelon multiplexer
08/21/1990CA1272894A1 Short arc lamp image transformer
08/18/1990WO1990009577A1 Instrument for inspecting brilliance of jewels such as diamond and photographing of jewels therewith
08/16/1990EP0382620A1 Ophtalmic diffractive lens for the correction of astigmatism
08/16/1990EP0185737B1 Multicolor liquid crystal light valve projection apparatus
08/16/1990DE4004011A1 Light intercepting mask of lens - is coated with anti-reflection layer and is formed integrally with lens supporting frame
08/16/1990DE4003962A1 Optisches system eines geraetes zur aufzeichnung und wiedergabe optischer informationen The optical system of an apparatus for recording and reproduction of optical information
08/15/1990CN2060557U Simple lamp basement
08/15/1990CN1044589A Device for surgical treatment of ametropia
08/14/1990US4949358 Ring laser with improved beam quality
08/14/1990US4948255 Optical sensing device
08/14/1990US4948241 Device for creating a variety of visual images
08/14/1990US4948233 Beam shaping optical system
08/14/1990US4948228 Optical image rotators
08/14/1990US4948226 Lens alignment apparatus for use in a projection television
08/14/1990US4948211 Method and apparatus for optical imaging using a small, flat, reflecting surface
08/14/1990US4948210 Infrared zoom illuminator
08/14/1990CA2009629A1 Write with light optical notching filter
08/14/1990CA1272629A1 Optical low pass filter utilizing a phase grating
08/09/1990WO1990008969A1 Optical colour-splitter arrangement
08/08/1990EP0381449A2 Heads up display for night vision goggle
08/08/1990EP0380663A1 Collimator
08/08/1990CN1044530A Guide beacon display device
08/08/1990CN1009133B Rear projection system
08/07/1990US4947413 Resolution doubling lithography technique
08/07/1990US4947402 Two-mirror shaping of a non-circular optical pumping beam and lasers using same
08/07/1990US4946567 Apparatus for the distribution of laser beams used during a selective reaction in a process for isotope separation by lasers
08/07/1990US4946253 Reconfigurable substrate-mode holographic interconnect apparatus and method
08/07/1990US4946234 Light beam deflection scanning method and an apparatus therefor
08/07/1990US4946232 Variably curved reflector for projecting luminous lines on an object by a laser beam
08/07/1990CA1272408A1 Display device
08/02/1990DE4001434A1 Einrichtung zur chirurgischen behandlung der ametropie Device for surgical treatment of ametropia
08/01/1990EP0380035A2 Helmet mounted display system
08/01/1990CN1044347A Three-dimensional picture displaying system
08/01/1990CA2008461A1 Heads up display for night vision goggle
07/1990
07/31/1990US4944579 Detection system for circularly polarized radiation
07/31/1990US4944573 Device for distributing laser beams used in an isotopic separation method
07/26/1990WO1990008343A1 Computer-generated autostereography method and apparatus
07/26/1990WO1990008338A1 Visual effect created by an array of reflective facets with controlled slopes
07/26/1990DE3901985A1 Device and method for producing moving interference patterns
07/26/1990DE3901850A1 Device for pseudo-stereoscopically viewing mono television pictures
07/25/1990EP0379226A2 Ranging apparatus
07/25/1990EP0379168A2 Inspection chamber for the visual assessment of coloured test objects
07/25/1990EP0378833A1 A method and apparatus for performing a multiple-input optical arithmetic comparison
07/25/1990EP0378575A1 Asymmetric purge air system for cleaning a lens.
07/25/1990CN2059746U Stereo-photographing and watching device
07/24/1990US4943860 Three-dimensional photographing and three-dimensional playback device by spatial time-sharing method
07/24/1990US4943852 Stereoscopic converter assembly for closed circuit 2-D television system
07/24/1990US4943851 360 degree viewing system having a liquid crystal display screen encircling a rotatable projection screen
07/24/1990US4943155 Color projection system with a color correction wedge