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)
09/1977
09/20/1977US4049338 Light polarizing material method and apparatus
09/13/1977US4048628 Method and apparatus for erasing scattering in storage-type liquid crystals by frequency sweeping
09/13/1977US4048591 Integrated optical modulator
09/13/1977US4048515 Broadband laser with intracavity crystal for generating second harmonic radiation
09/13/1977US4048514 Pyroelectric non-linear optical component
09/13/1977US4048358 Liquid crystal devices
09/13/1977US4048089 4-valeryloxy or caproyloxy-4'-cyanobiphenyl, 4'-cyanophenyl-4-alkylbenzoate
09/13/1977US4047801 Optical wave guide having distributed gyrotropy
09/13/1977US4047795 Optical integrated circuit laser beam scanner
09/06/1977US4046708 Mixture of nematic liquid crystals exhibiting a positive dielectric anisotropy and a wide temperature range
09/06/1977US4046456 Electro-optic cell with transverse electric field
09/06/1977US4046455 Irregular ferroelectric element devised for motion of plural domain-walls
08/1977
08/30/1977US4045791 Apparatus for driving liquid crystal display device wherein the signal applied thereto is varied in accordance with the temperature of the device
08/30/1977US4045327 Silicon carbide, urea resin
08/30/1977US4045124 Bistable deflection system
08/23/1977US4044346 Driving method for liquid crystal display
08/23/1977US4044082 Multiple extrusion of polycrystalline extrudates
08/23/1977US4043935 Liquid crystal composition having high dielectric anisotropy and display device incorporating same
08/23/1977US4043647 Method of forming alignment film for liquid crystal display cell
08/23/1977US4043640 Liquid crystal twist cell with grey scale capabilities
08/23/1977US4043639 Polyvinyl chloride
08/23/1977US4043638 Liquid crystal display mounted behind a front glass
08/23/1977US4043636 Illumination-panel for liquid crystal display of similar device
08/16/1977US4042293 Liquid crystal devices having diode characteristics
08/09/1977US4041481 Scanning apparatus for an electrophoretic matrix display panel
08/09/1977US4041477 Ferroelectric-photoconductor optical storage
08/09/1977US4041323 Non-linear optical frequency doubling devices
08/09/1977US4040892 Method of etching materials including a major constituent of tin oxide
08/09/1977US4040749 Organic vapor detection with liquid crystals
08/09/1977US4040727 Transflector
08/09/1977US4040722 Light beam controller
08/09/1977US4040721 Driver circuit for liquid crystal display
08/09/1977US4040720 Ferroelectric liquid crystal display
08/09/1977US4040718 Polarization rotator based on dispersion due to two-photon transitions
08/02/1977US4040112 Direct electronic fourier transforms of optical images
08/02/1977US4040091 Direct electronic fourier transforms of optical images
08/02/1977US4040073 Thin film transistor and display panel using the transistor
08/02/1977US4040047 Erasable thermo-optic storage display of a transmitted image
08/02/1977US4040039 Single wall domain latrix for optical data processing system
08/02/1977US4039823 Method for processing work pieces, for transmitting and processing information by means of laser emission and apparatus for performance of the method
08/02/1977US4039255 Color display device with dye and synthetic oil solution
08/02/1977US4039254 Electro-optic welding lens assembly using multiple liquid crystal light shutters and polarizers
08/02/1977US4039253 Optical display having dished cover plate
08/02/1977US4039252 Field-effect liquid crystal-type display device
08/02/1977US4039251 Tapered crystal modulator for lasers
08/02/1977US4039249 Integrated optical devices including tunable fixed grating
08/02/1977US4038761 Element and method for teaching with liquid crystals
07/1977
07/26/1977US4038441 Method of manufacturing a liquid crystal device with plane alignment
07/26/1977US4038439 Method for producing selected alignment in liquid crystal
07/26/1977US4037933 Light deflector of acousto-optic interaction type
07/26/1977US4037932 Electrooptic-photoconductor sandwich using actinic readout light
07/26/1977US4037931 Liquid crystal display cell driving circuit
07/26/1977US4037930 Liquid crystal display cells
07/26/1977US4037929 Optical projection device and an optical reader incorporating this device
07/26/1977US4037928 Visual image display device
07/26/1977US4037927 Liquid crystal display screen with multiple electrode arrangement
07/19/1977US4037263 Arrangement for the direct conversion of items of data stored in magnetic form into optical signals
07/19/1977US4037005 Niobium doped lithium tantalate
07/19/1977US4036554 Laser modulator for producing dark-pulses
07/19/1977US4036553 Method of controlling an optical characteristic
07/19/1977US4036551 Display apparatus
07/19/1977US4036550 Liquid crystal display
07/12/1977US4035060 Electro-optic device
07/12/1977US4035058 Electro-optical switch and a method of manufacturing same
07/12/1977US4035056 Biphenyl derivative compounds and liquid crystal materials and devices containing such compounds
07/05/1977US4034276 Digital signal processor for servo velocity control
07/05/1977US4033673 Erasable visual image display device
07/05/1977US4033672 Liquid crystal devices
07/05/1977US4033671 Liquid crystal twist cells
07/05/1977US4033670 Zeeman effect optical isolator
06/1977
06/28/1977US4032980 Recorded magnetic member viewing apparatus
06/28/1977US4032954 Silicon single crystal charge storage diode
06/28/1977US4032221 Mounting arrangement for acousto-optic modulators
06/28/1977US4032220 Light optic data handling system
06/28/1977US4032219 Liquid crystal display devices
06/28/1977US4032218 Device for the production and modulation of monochromatic light
06/28/1977US4032217 Optical wave guide for carrying out phase-tuning between two modes of light propagation
06/28/1977US4032216 Thin film magneto-optic mode converters
06/21/1977US4031529 Thermal method for controlling the optical properties of a liquid crystal and devices for the application of said method
06/21/1977US4031092 1,3-Bis-(carboxy-phenylamino)-s-triazines
06/21/1977US4030997 Silicon compound, alcohol
06/14/1977US4029393 Integrated thermally compensated liquid crystal display device
06/14/1977US4029392 Liquid crystal display
06/07/1977US4028692 Liquid crystal display device
06/07/1977US4027950 Electro-optical display device
06/07/1977US4027949 Optical systems
06/07/1977US4027948 Low loss laser modulator
06/07/1977US4027946 Acousto-optic guided-light beam device
05/1977
05/31/1977US4027296 Magnetic plate comprising drivable domains
05/31/1977US4027291 Access control unit
05/31/1977US4026637 Timepiece display device utilizing liquid crystals of positive dielectric anisotropy
05/31/1977US4026632 Frequency selective interwaveguide coupler
05/31/1977US4026103 Electronic timepiece with digital display means
05/24/1977US4025688 Polarizer lamination
05/24/1977US4025199 Optical color mixing method
05/24/1977US4025166 Acousto-optic light beam scanner
05/24/1977US4025164 Liquid crystal display device for colored display of information with a selective polarizer
05/24/1977US4025163 Light valve, light valve suspension materials and suspension therefor
05/24/1977US4025162 Liquid crystal display device
05/24/1977US4025161 Electro-optical liquid-crystal display device