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)
12/1979
12/11/1979US4178561 Scanning arrangements for optical frequency converters
12/11/1979US4178079 Sub-picosecond optical gating by degenerate four-wave mixing
12/11/1979US4178077 Electrostatically controlled picture display device
12/11/1979US4178073 Optical isolator
12/11/1979US4177729 Method for the production marking of liquid displays
12/11/1979CA1067990A1 Beam addressed liquid crystal cells
12/11/1979CA1067950A1 Multi-color recording medium responsive to force fields and apparatus for recording on the medium
12/04/1979US4176919 Passive high-speed automatic shutter for imaging devices
12/04/1979US4176918 Fluorescent liquid crystal display
12/04/1979US4176917 Liquid crystal display device
11/1979
11/29/1979WO1979001025A1 The orientation of ordered liquids and their use in devices
11/28/1979EP0005652A2 Electrophoretic migration imaging process and dispersion
11/27/1979US4175838 Electro-optic device
11/27/1979US4175837 Electrochromic display cell
11/27/1979US4175836 Method and apparatus for forming visible images
11/27/1979US4175827 Electro-optical multiplexer having multiple frequency resonant excitation
11/27/1979CA1067189A1 Liquid crystal display device with titanium dioxide isolation
11/14/1979EP0005417A1 Multiple layer protective glass
11/14/1979EP0005397A2 Liquid crystal with great negative dielectric anisotropy and electrooptical display device containing such a liquid crystal
11/14/1979EP0005245A1 Liquid crystal image projector system
11/14/1979EP0005188A2 Liquid crystal display device with an alignment film and method for manufacturing said device
11/14/1979EP0005187A2 Method of making the alignment film of a liquid crystal display device and liquid crystal display made by that method
11/13/1979US4174152 Electrochromic devices with polymeric electrolytes
11/06/1979US4173758 Driving circuit for electrochromic display devices
11/06/1979US4173757 Liquid crystal display device
11/06/1979US4173734 Voltage dividing integrated circuit device
11/06/1979CA1065982A1 Electro-optical device
11/06/1979CA1065979A1 Electrostatically controlled picture display device
11/06/1979CA1065958A1 Liquid crystalline platen for an electro-photographic printing machine
10/1979
10/31/1979EP0005093A1 Optical demultiplexing integrated circuit and process for the manufacture of this circuit
10/30/1979US4172645 Dual purpose finder display for single lens reflex camera
10/30/1979US4172630 Multimode electrooptic waveguide switch
10/30/1979US4172333 Writing and display apparatus
10/30/1979CA1065456A1 Electrochromic display adapted for multiplexing
10/23/1979US4171874 Evenly illuminated display devices
10/23/1979CA1064858A1 Color-changing indoline-heterocyclic compounds
10/17/1979EP0004548A2 Electrochromic display device and method of operating the same
10/16/1979CA1064303A1 Imaging system
10/09/1979US4170406 Electrochromic devices having protective interlayers
10/09/1979CA1064092A1 Apparatus and method for automatic control of an intermediate image storage device in an electrostatographic processing machine
10/03/1979EP0004489A1 Liquid crystals of the diester type, their mixture with mesomorphic compounds and display device employing this liquid cristals
10/03/1979EP0004464A2 Polyvinyl butyral-liquid crystal film-forming composition and its use
10/03/1979EP0004411A2 Optical device for and method of amplitude modulation of light beam
10/03/1979EP0004291A2 Reactive medium for electrochromic display devices and electrochromic display including such reactive medium
10/02/1979US4170028 Facet tracking in laser scanning
10/02/1979US4169661 Thermal-optical converter
09/1979
09/25/1979US4168716 Solar-powered thermionic-photoelectric laser
09/25/1979CA1063214A1 Thermographic plate for measuring temperature distributions
09/18/1979US4168498 Digital display drive and voltage divider circuit
09/18/1979US4168339 Photochromic microsheet
09/18/1979US4168176 Oxides of cerium, phosphorus, boron, and silicon or aluminium
09/18/1979US4168107 Multimode optic device
09/18/1979CA1062713A1 Pyrimidine derivatives
09/11/1979US4167309 Electrochromic display device
09/11/1979US4167308 Electrochromic display device
09/11/1979US4167307 Liquid crystal display device with supplementary lighting
09/04/1979US4166676 Method of turning off the display in electrochromic display devices
09/04/1979US4166669 Planar optical waveguide, modulator, variable coupler and switch
08/1979
08/28/1979US4166254 Switched diffraction grating
08/28/1979US4166230 Slotted, electroded piezoelectric wafer for electro-optic devices
08/28/1979US4165989 Terbium-phosphorus-boron-potassium and/or magnesium oxides
08/28/1979US4165985 Photoconductive, heterocyclic-substituted isoquinoline colorants
08/28/1979US4165923 Liquid crystal alignment structure
08/28/1979US4165922 Liquid crystal cell
08/28/1979CA1061441A1 Method of feedback control of electron beam lasers
08/21/1979US4165157 Liquid crystal cell having a glass fiber frame
08/21/1979US4165155 Amplitude modulation of light beam
08/21/1979CA1060977A1 Direct current liquid crystal display with highly reflecting dielectric mirror
08/14/1979US4164717 Acoustooptic modulation and deflection
08/14/1979US4164365 Light valve for controlling the transmission of radiation comprising a cell and a stabilized liquid suspension
08/14/1979CA1060569A1 Electrically controlled optical switch
08/14/1979CA1060567A1 Digital display member
08/14/1979CA1060197A1 Imaging method
08/14/1979CA1060196A1 Imaging system
08/08/1979EP0003373A1 Liquid crystal display device
08/08/1979EP0003215A2 Cyclohexane derivatives, liquid crystal dielectrics containing them and their use as constituents of liquid crystal dielectrics
08/07/1979US4163667 Deformable imaging member used in electro-optic imaging system
07/1979
07/31/1979CA1059601A1 Variable vergency focussing apparatus
07/31/1979CA1059600A1 Adjustable optical switch or modulator
07/25/1979EP0003145A1 Display device comprising a liquid display medium
07/24/1979US4162398 Bias control circuit for light modulators
07/24/1979US4162121 Linear array modulator
07/24/1979US4162118 Waveguide imaging system
07/24/1979CA1059229A1 Visual image recording device
07/24/1979CA1059221A1 Digital device for generating a filtered wave phase modulated by a data signal
07/24/1979CA1059138A1 5,6,11,12-tetraselenotetracene-o-chloroanil complexes
07/17/1979US4161557 Polyvinyl butyral-liquid crystal film-forming composition and film
07/17/1979CA1058733A1 Plastic acoustooptic device
07/17/1979CA1058416A1 Multifrequency excitation of gas rotational spectra
07/17/1979CA1058399A1 Simulation of visual blackout due to aircraft maneuvering
07/11/1979EP0002920A1 Liquid crystal displays
07/10/1979US4160582 Electrostatic display assembly
07/10/1979US4160579 Tapered velocity electro-optical waveguide switch
07/03/1979US4160241 Electrochromic display device
07/03/1979CA1057841A1 Automatic optical bias control for light modulators
07/03/1979CA1057840A1 Electro-optical switch and modulator
06/1979
06/27/1979EP0002576A1 Projector for projecting electromagnetic control signals
06/26/1979CA1057094A1 Color image reproduction system
06/19/1979US4158486 Light beam message character generating system
06/19/1979US4158485 Liquid crystal cell with a glass solder seal