Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
08/1990
08/16/1990DE4003672A1 Lens-barrel with light shield - consists of control unit, operating pin and two cylindrical sections which are parts of lens frame and lens cover support, respectively
08/14/1990US4949005 Tantala-silica interference filters and lamps using same
08/14/1990US4948983 Alignment of mask and semiconductor wafer using linear fresnel zone plate
08/14/1990US4948964 For an infrared detector
08/14/1990US4948677 High transmittance, low emissivity article and method of preparation
08/14/1990US4948228 Optical image rotators
08/14/1990US4948211 Method and apparatus for optical imaging using a small, flat, reflecting surface
08/14/1990CA1272630A1 Edge interference filter for optical communication transmission in wavelength-division multiplex
08/14/1990CA1272629A1 Optical low pass filter utilizing a phase grating
08/09/1990WO1990008967A1 Selective interference light filter and optical device using it
08/09/1990WO1990008661A1 Thermal transfer recording medium
08/08/1990EP0381511A1 Colour change devices incorporating thin anodic films
08/07/1990US4946827 Glass-to-polycarbonate adhesive for color filter array
08/07/1990US4946259 Color liquid crystal display and method of manufacture
08/07/1990US4946253 Reconfigurable substrate-mode holographic interconnect apparatus and method
08/07/1990US4946232 Variably curved reflector for projecting luminous lines on an object by a laser beam
08/07/1990US4946231 Polarizer produced via photographic image of polarizing grid
08/07/1990CA1272409A1 Glare-proof transparent cover plate
08/02/1990DE3901931A1 Lichtleitfaser zur radiaeren bestrahlung von roehrenfoermigen hohlsystemen mit laserstrahlen Optical fiber for radial irradiation of roehrenfoermigen hollow systems with laser beams
08/01/1990EP0380338A2 Compensator for liquid crystal display
08/01/1990EP0380320A2 An optical pickup apparatus
08/01/1990EP0379970A2 Compact variable diffuser for use in a luminaire
08/01/1990EP0379738A2 Optical layer
08/01/1990EP0379547A1 Photochromic polymer membrane
07/1990
07/31/1990US4945454 Reflector for dimmed or dimmable motor vehicle headlights
07/31/1990US4945287 Multiple pentaprism scanning device and method
07/31/1990US4944581 Five layers; silicon oxide, cerium oxide, silicon dioxide, aluminum and silicon oxide
07/31/1990US4944579 Detection system for circularly polarized radiation
07/31/1990US4944125 Filtering device
07/31/1990CA1272171A1 Faceted reflector for headlamps
07/31/1990CA1272051A1 Optical mirror assembly
07/26/1990WO1990008334A1 Multilayer heat-reflecting composite films and glazing products containing the same
07/26/1990DE3901985A1 Device and method for producing moving interference patterns
07/25/1990CN1044168A Method for making monochromatic lens by colourless glass plates
07/24/1990US4944026 Radiation image storage panel
07/24/1990US4943512 Photocurable and dyeable resin composition with bisazide and dyeable acrylic copolymer
07/24/1990US4943159 Method and apparatus for guiding and collecting light in photometry or the like
07/24/1990US4943140 Optical element for a vehicle windshield
07/24/1990US4943127 Multi-faceted optical device for laser scanner
07/24/1990US4942867 Distal end part of endoscope
07/18/1990EP0378267A1 Device for inspecting an interference filter for a projection television display tube
07/18/1990EP0377773A2 Improved head up display arrangement for automotive vehicle or the like
07/17/1990US4941733 Optical correlator system
07/17/1990US4941732 For observing a light image
07/17/1990US4941731 Corner cube utilizing generally spherical surfaces
07/17/1990US4941723 Rod shaped linear light diffusion apparatus
07/17/1990US4941638 Blind spot mirror
07/17/1990CA1271837A1 Apparatus for improving the quality of an electronic image
07/12/1990CA2007354A1 Device for inspecting an interference filter for a projection television display tube
07/11/1990EP0377454A2 Image reading apparatus
07/11/1990EP0377309A2 Back-lit display
07/11/1990EP0377293A2 Remotely illuminated transparent holographic stoplight for automobiles
07/11/1990EP0376982A1 Liquid crystal light valve and associated bonding structure
07/11/1990CN1043814A Optical scanning device, mirror objective suitable for use in said device and optical write and/or read apparatus provided with said device
07/11/1990CN1043794A Optical scanning device, mirror objective suitable for use in said device and optical write and/or read apparatus proved with said device
07/10/1990US4941093 Surface erosion using lasers
07/10/1990US4940890 Optical scanning device, mirror objective suitable for use in said device and optical write and/or read apparatus provided with said device
07/10/1990US4940636 Optical interference filter
07/10/1990US4940312 Scanning prism
07/10/1990US4940309 Tessellator
07/10/1990US4940308 Laser beam stop
07/05/1990DE3943387A1 Controllable diffraction grating - has grating body, support, coupling layer, two silver electrodes, profile, photoresist and optical limiter
07/04/1990EP0376696A1 Optical film
07/04/1990EP0376032A2 Stilbene dyes and films or sheets containing the same
07/04/1990EP0375833A1 Optically variable planar pattern
07/04/1990EP0262122B1 Navigation system for vehicles
07/04/1990CN2058996U Captions screen for photograph
07/04/1990CN1008654B Reflectance mask, its method of produce and its application in thermal insulation apparatus
07/03/1990US4938563 High efficiency cube corner retroflective material
07/03/1990US4938550 Holographic deflection device
07/03/1990US4938270 Spherical cloth weaving machine with shuttle chucks
07/03/1990CA2004047A1 Back-lit display
06/1990
06/28/1990WO1990007133A1 Diffraction grating
06/28/1990WO1990007132A1 Light trap free from backscattering
06/27/1990EP0375291A2 Lenses
06/27/1990EP0375064A2 Projection color television display devices with improved white field uniformity
06/27/1990EP0374767A1 Light beam detection utilizing hologram
06/27/1990EP0374655A1 Light-polarising films or foils containing stilbene pigments
06/27/1990EP0374654A1 Aqueous casting solutions for the production of light-polarising foils or films based on polyvinyl alcohol
06/27/1990EP0374629A2 Transparent laminates
06/27/1990EP0374627A2 Highly effective polarisers
06/27/1990EP0374626A2 Laminated polarisers
06/27/1990EP0374565A2 Graded filter
06/27/1990CN1008558B Cold-light filter
06/27/1990CA2006662A1 Optical film
06/26/1990US4937442 Protective shutter
06/26/1990US4937134 Transparent film of polyether-or-ester urethane, or amideether layers having a different refractive index
06/26/1990US4936673 Diffusion platelet in combination with a slit lamp
06/26/1990US4936666 Diffractive lens
06/26/1990US4936665 High resolution imagery systems and methods
06/26/1990US4936659 Liquid crystal display brightness enhancer
06/26/1990EP0298116A4 Light filters for microelectronics.
06/26/1990CA1270892A1 Projection television display with multilayer interference filter
06/26/1990CA1270674A1 Optical logic arrangement
06/26/1990CA1270673A1 Method and apparatus for making a reflection hologram to interconnect nonlinear optical elements
06/23/1990CA2006427A1 Light-polarizing films or sheets containing stilbene dyestuffs
06/23/1990CA2006406A1 Aqueous casting solutions for the production of light-polarizing sheets or films based on polyvinyl alcohol
06/21/1990DE3842824A1 Light protection glass with liquid crystal
06/21/1990DE3842489A1 Process for the production of grating structures having sections which are mutually offset by half a grating period
06/21/1990DE3842115A1 Device for protection of targets against illumination by high-power lasers