| 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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| 06/25/1980 | EP0012439A1 Light modulator or light switch with variable transmission and method of making the same |
| 06/25/1980 | EP0012421A1 Electrochromic display cells |
| 06/25/1980 | EP0012419A1 An electrochromic display device |
| 06/25/1980 | EP0012243A1 Display system including electrostatically deflectable elements |
| 06/24/1980 | US4209853 Holographic system for object location and identification |
| 06/24/1980 | US4209852 Signal processing and memory arrangement |
| 06/24/1980 | US4209843 Method and apparatus for signal enhancement with improved digital filtering |
| 06/24/1980 | US4209690 Induced absorption elements |
| 06/24/1980 | US4208869 Illumination device for electronic timepiece |
| 06/17/1980 | US4208667 Controlled absorption in heterojunction structures |
| 06/17/1980 | US4208106 Fluorescent dye, liquid crystal |
| 06/17/1980 | US4208091 Broadband microwave waveguide modulator for infrared lasers |
| 06/17/1980 | US4207671 Method of manufacture of a passive electro-optic display cell having an helicoidal nematic liquid crystal and passive electro-optic display cell obtained by carrying out this method |
| 06/12/1980 | WO1980001225A1 2-methyl-4-nitro-aniline nonlinear optical devices |
| 06/11/1980 | EP0011644A1 Liquid crystal device. |
| 06/10/1980 | US4207459 Optical communication system utilizing light emitting diode |
| 06/10/1980 | US4206979 Electro-optic modulator |
| 06/10/1980 | CA1079374A1 Plug-in multiple conductor-connector assembly and method |
| 06/03/1980 | US4206501 Apparatus and methods for back illuminating a display surface |
| 06/03/1980 | US4206369 Relay-like control devices, to control device matrixes and to circuits for actuating such devices |
| 06/03/1980 | US4206347 Acousto-optic multiplexing and demultiplexing |
| 06/03/1980 | US4206071 Liquid crystal composition |
| 06/03/1980 | US4205903 Writing/erasing technique for an electrochromic display cell |
| 06/03/1980 | US4205428 Planar liquid crystal matrix array chip |
| 06/03/1980 | CA1078950A1 Integrated optic device |
| 05/28/1980 | EP0011408A1 Liquid crystal display devices |
| 05/28/1980 | EP0011253A1 Electrooptic display device and method of manufacturing the same |
| 05/28/1980 | EP0011234A1 Passive electro-optic display device, method for controlling such a display device and its application |
| 05/27/1980 | US4205348 Laser scanning utilizing facet tracking and acousto pulse imaging techniques |
| 05/27/1980 | US4205311 Liquid crystal display device |
| 05/27/1980 | US4205225 Method of generating an electric pulse of predetermined shape and application to cutting out a portion from a laser pulse |
| 05/27/1980 | CA1078532A1 Diffusion bonding of crystals |
| 05/27/1980 | CA1078514A1 Ferroelectric information optical storage device with self-biasing |
| 05/20/1980 | US4204217 Transistor using liquid crystal |
| 05/20/1980 | US4203862 Liquid crystal composition |
| 05/20/1980 | US4203649 Process for manufacturing an integrated optical structure and an _opto-electronic device using said structure |
| 05/20/1980 | CA1078053A1 Electro-optical light shutter device |
| 05/20/1980 | CA1077786A1 Magnetically orientable retroreflectorization particles |
| 05/15/1980 | WO1980001016A1 Magneto-optical anisotropy detecting device |
| 05/14/1980 | EP0011003A1 Telecopyer using a liquid crystal cell |
| 05/14/1980 | EP0010796A1 Display device consisting of an electrooptical liquid cell |
| 05/14/1980 | EP0010739A1 Light diffuser |
| 05/13/1980 | US4203106 X-Y addressable electrophoretic display device with control electrode |
| 05/13/1980 | US4202791 Used as electrooptical display material |
| 05/13/1980 | US4202608 Instrument having a liquid crystal display |
| 05/13/1980 | US4202607 Mirror with information display |
| 05/13/1980 | US4202606 Liquid crystal display having integrated bridge contacts |
| 05/13/1980 | CA1077608A1 Preparation of improved electrochromic devices |
| 05/06/1980 | US4202010 Thermoelectric display cell for recording images line by line |
| 05/06/1980 | US4201994 Information formation apparatus |
| 05/06/1980 | US4201985 Constant current supply drive for electrochromic displays of the segmented type |
| 05/06/1980 | US4201984 Current controlled drive system for electrochromic displays of the segmented type |
| 05/06/1980 | US4201909 Data-transmission system and method using fiber-optical transmission |
| 05/06/1980 | US4201455 Laser-operated apparatus for data and signal recording |
| 05/06/1980 | US4201454 Heat treated electrochromic devices |
| 05/06/1980 | US4201453 Liquid crystal cell having an insulating layer of a silicon oxide base |
| 05/06/1980 | US4201450 Rigid electro-optic device using a transparent ferroelectric ceramic element |
| 05/06/1980 | US4201442 Liquid crystal switching coupler matrix |
| 05/06/1980 | CA1076857A1 Optical fiber light transmission switch |
| 05/01/1980 | WO1980000885A1 Writing board |
| 05/01/1980 | WO1980000880A1 Optoelectric cell |
| 04/30/1980 | EP0010492A2 Liquid crystal acousto-optic cell and visualisation device comprising such a cell |
| 04/30/1980 | EP0010354A1 A magnetic panel and a display assembly incorporating such panel |
| 04/29/1980 | US4200808 Continuously tunable wideband coherent infrared source |
| 04/29/1980 | US4200580 Dioxanylphenyl benzoate liquid crystal compounds |
| 04/22/1980 | US4199714 Voltage regulator for integrated injection logic electronic system with liquid crystal display |
| 04/22/1980 | US4199698 Second harmonic generators, optical mixers, and parametric oscillators |
| 04/22/1980 | US4199230 Electrochromic display device |
| 04/22/1980 | US4199229 Solid state display device |
| 04/22/1980 | US4199228 Method of fabrication of a liquid-display cell and a cell obtained by means of said method |
| 04/22/1980 | US4199221 Electro-optic thin-film waveguide modulator device |
| 04/22/1980 | CA1076239A1 Semiconductor rib waveguide optical modulator with heterojunction control electrode cladding |
| 04/22/1980 | CA1076238A1 Paper counter-electrode for electrochromic devices |
| 04/16/1980 | EP0010031A1 Method for the transformation of thermal images into visible images, device for carrying out this method and use |
| 04/15/1980 | US4198675 Linearization technique for closed-loop acousto-optic modulators |
| 04/15/1980 | US4198647 High resolution continuously distributed silicon photodiode substrate |
| 04/15/1980 | US4198630 Displays using thick film switches to control individual display elements |
| 04/15/1980 | US4198312 3'-Chloro-4'-cyanophenyl 4-n-alkylbenzoates |
| 04/15/1980 | US4198162 Tunable wide angular aperture filter by degenerate four-wave mixing |
| 04/15/1980 | US4198154 Image recording apparatus capable of representing half-tones on an image |
| 04/15/1980 | US4198130 Liquid crystal mixtures |
| 04/15/1980 | US4198124 Electro-optic display device |
| 04/15/1980 | US4198116 Electro-optical switch and modulator |
| 04/15/1980 | US4198115 Fabry-Perot resonator using a birefringent crystal |
| 04/15/1980 | US4197946 Device for packing liquid crystal cells |
| 04/15/1980 | CA1075800A1 Etalon laser mode selector |
| 04/15/1980 | CA1075799A1 Erasable visual image display device |
| 04/15/1980 | CA1075761A1 Method of making gas display panel without discrete panel spacers |
| 04/08/1980 | US4197008 Electro-optic tunable optical filter |
| 04/08/1980 | US4196977 Electro-optic modulator/deflector |
| 04/08/1980 | US4196976 Liquid crystal display device |
| 04/08/1980 | US4196974 Smectic liquid crystal display cell |
| 04/08/1980 | US4196973 Transflector for illuminated electrooptic displays |
| 04/08/1980 | US4196964 Optical waveguide system for electrically controlling the transmission of optical radiation |
| 04/08/1980 | US4196837 Method of indirectly connecting two parts |
| 04/08/1980 | CA1075388A1 Electro-optic matrix display |
| 04/08/1980 | CA1075387A1 Electrochromic display apparatus |
| 04/02/1980 | EP0009243A1 Method of fabricating fiber spacers for distancing two plates, and use of fiber spacers in a display device |
| 04/02/1980 | EP0009108A2 An improved laser having a nonlinear phase conjugating reflector |
| 04/01/1980 | US4196432 AC driving mode and circuit for an electro-optical display |