Patents for G02F 1 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics (257,845) |
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04/13/1982 | US4324622 Electrophotography |
04/13/1982 | US4324475 Laser component |
04/13/1982 | US4324456 Electrophoretic projection display systems |
04/07/1982 | EP0049145A1 Process for the preparation of a lithium oxide based amorphous material |
04/07/1982 | EP0049036A1 Organic compositions suitable for guest-host liquid crystal device |
04/07/1982 | EP0049035A1 Organic compositions suitable for a guest-host liquid crystal device |
04/07/1982 | EP0048887A1 Liquid crystal composition containing a pleochroic anthraquinone dye |
04/07/1982 | EP0048886A1 Liquid-crystal composition containing a pleochroic anthraquinone dye, and process for the production of such a dye |
04/07/1982 | EP0048855A2 Element for adjusting the transfer of light between light guides |
04/06/1982 | US4323984 Switching equipment using magnetic domains |
04/06/1982 | US4323952 Reflector for varying illumination distribution |
04/06/1982 | US4323504 Cyclohexyl cyclohexyl dioxane liquid crystalline compounds and admixture containing same |
04/06/1982 | US4323472 Liquid crystal admixture |
04/06/1982 | US4323471 Liquid crystal composition |
04/06/1982 | CA1121489A1 Lcds (liquid crystal displays) controlled by mims (metal-insulator-metal) devices |
03/31/1982 | EP0048595A1 Line printers |
03/31/1982 | EP0048583A1 Liquid crystal compositions containing pleochroic anthraquinone dyes, liquid crystal devices containing the compositions, and the dyes |
03/31/1982 | EP0048379A2 Planar waveguide Bragg grating structure and its application |
03/31/1982 | EP0048266A1 Spectacle lens having continuously variable controlled density and fast response time |
03/30/1982 | US4322819 Memory system having servo compensation |
03/30/1982 | US4322754 Systems for processing printed data |
03/30/1982 | US4322615 Focus detecting device with shielding |
03/30/1982 | US4322354 5-Substituted-2-(4-cyanophenyl)-1,3,-dioxanes |
03/30/1982 | US4322133 Method of driving electrochromic display device and electrochromic display device therefor |
03/30/1982 | CA1121037A1 Electrochromic display device |
03/30/1982 | CA1120887A1 Method for producing uniform parallel alignment in liquid crystal cells |
03/23/1982 | US4321564 Sequential beam switching of acousto-optic modulator |
03/23/1982 | US4321550 Phase conjugate correction for high gain amplifier systems |
03/23/1982 | CA1120621A1 Liquid crystal display device |
03/23/1982 | CA1120491A1 Liquid crystalline materials |
03/23/1982 | CA1120490A1 Liquid crystal materials |
03/17/1982 | EP0047453A1 4'-(Beta-alkyloxyethoxy)-4-cyanobiphenyl |
03/17/1982 | EP0047367A2 Electrochromic recording paper |
03/16/1982 | US4320475 Monomodal optical fibre hydrophone operating by the elastooptical effect |
03/16/1982 | US4320190 From a transparent and insulating plate |
03/16/1982 | US4319808 Combined acousto-optic device from optically birefringent crystal |
03/10/1982 | EP0047198A2 Display method using a thermo-optical effect with memory in a film of disc-like liquid crystals, and disc-like liquid crystals showing such an effect |
03/10/1982 | EP0047196A1 Optical integrated structure for a conformable directional coupling and system comprising such a structure |
03/10/1982 | EP0047162A1 Kerr effect electro-optical element |
03/10/1982 | EP0046932A2 Mixed crystals, process for their manufacture and application |
03/10/1982 | EP0046873A1 Deformable mirror light modulator |
03/09/1982 | US4319239 CCD Capacitance modulation matrix for liquid crystal displays |
03/09/1982 | US4319186 Signal sensors |
03/09/1982 | US4318591 Polarization switched image rotator |
03/09/1982 | CA1119381A1 Air-resistant crystalline lithium nitride, process for production and use |
03/04/1982 | WO1982000736A1 Generation of stable frequency radiation at an optical frequency |
03/04/1982 | WO1982000654A1 New derivatives of phenic acid,method of obtaining them,liquid crystal material with negative dielectric anisotropy,method of obtaining that liquid crystal material,liquid crystal material with low-frequency inversion of sign of dielectric anisotropy and method of obtaining that liquid crystal material |
02/24/1982 | EP0046401A2 Aligning liquid crystal layers |
02/24/1982 | EP0046298A1 Apparatus for measuring a magnetic field |
02/23/1982 | US4317115 Driving device for matrix-type display panel using guest-host type phase transition liquid crystal |
02/23/1982 | CA1118876A1 Electrophoretic display devices with x-y addressing |
02/18/1982 | WO1982000472A1 Derivatives of 2,2-azoimidazole,method for the preparation thereof,liquid crystal material and electro-optical device |
02/17/1982 | EP0045831A1 Passive display device |
02/16/1982 | US4316196 Illumination and light gate utilization methods and apparatus |
02/16/1982 | US4315668 Permeation barrier for display cells |
02/09/1982 | US4315258 Transmissive and reflective liquid crystal display |
02/09/1982 | CA1118086A1 Gasket for liquid crystal light shutter displays |
02/03/1982 | EP0045104A2 Homeotropic nematic display with an internal reflector |
02/03/1982 | EP0044906A2 Solderable layer system |
02/02/1982 | US4313878 4-Substituted phenyl 4'-(5-n-alkyl-1,3-dioxan-2-yl)benzoates |
02/02/1982 | US4313663 Electrooptic diaphragm and circuit operative for causing the diaphragm to open up stepwise and then close to terminate exposure |
02/02/1982 | US4313657 Display device for focus detecting and indicating device for camera |
02/02/1982 | US4313651 Optical beam scanner |
02/02/1982 | CA1117313A1 Fibre optical measuring apparatus |
01/27/1982 | EP0044762A1 Light-on-dark electrolytic display device |
01/27/1982 | EP0044759A1 Smectic type A liquid crystal with positive dielectric anisotropy |
01/27/1982 | EP0044666A2 Helichromic compounds and displays |
01/27/1982 | EP0044637A1 Field scanning optical displays, generation of fields therefor and scanning thereof |
01/27/1982 | EP0044618A2 Liquid crystal display devices |
01/27/1982 | EP0044457A2 Process for two-photon holographic recording |
01/27/1982 | EP0044392A1 Electrochromic display device with improved erasing characteristic |
01/27/1982 | EP0044326A1 Conductane transparent laminate, method for the preparation thereof and utilisation thereof |
01/26/1982 | US4312929 Polymeric electrolyte for electro-optical device |
01/26/1982 | US4312773 Liquid crystal compositions |
01/26/1982 | US4312660 Acousto-optic device and method using tellurite glass composition |
01/26/1982 | US4312588 High-speed recording apparatus |
01/26/1982 | US4312562 Optical control device |
01/26/1982 | CA1117207A1 Electrochromic devices |
01/26/1982 | CA1116906A1 Optical coupling nonreciprocal device |
01/26/1982 | CA1116841A1 Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
01/21/1982 | WO1982000206A1 Dual trace electro-optic display |
01/20/1982 | EP0044152A2 Liquid crystal display system having improved temperature compensation |
01/19/1982 | US4312000 Driving technique for electrochromic displays of the segmented type including means for detecting a change in the display state of the segments thereof |
01/19/1982 | US4311993 Multisegment liquid crystal indication system |
01/19/1982 | US4311361 Electrophoretic display using a non-Newtonian fluid as a threshold device |
01/13/1982 | EP0043603A1 Guest-host liquid crystal display device |
01/13/1982 | EP0043449A2 Flat digital electro-optic light deflector |
01/12/1982 | US4310878 Digital feedback control system |
01/12/1982 | US4310858 Telecopying process employing a cell having a smectic liquid crystal and a transmitter-receiver telecopier employing said process |
01/12/1982 | US4310220 Electrochromic display with one porous separator |
01/12/1982 | US4310219 Light diffusing surface structure for a light guide in an information display |
01/12/1982 | US4309814 Manufacture of a multi-layered liquid crystal display panel |
01/12/1982 | CA1116279A1 Laser gyroscope system |
01/12/1982 | CA1116226A1 Apparatus and method for correcting imperfection in a polygon used for laser scanning |
01/12/1982 | CA1116005A1 Photochromic aziridine recording media |
01/06/1982 | EP0042999A2 High-speed analogue-digital and digital-analogue electro-optical converter |
01/06/1982 | EP0042920A2 Method of producing conductors on a substrate |
01/06/1982 | EP0042893A1 Electrochromic display having a stable reference electrode and method of operating same |
01/05/1982 | US4309701 LSI Device including a liquid crystal display drive |
01/05/1982 | US4309699 Passive electro-optical display device |