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)
03/1978
03/07/1978US4077832 Epitaxial growth of bismuth rare earth iron garnet from a flux of bismuth oxide and alkali metal oxide
03/07/1978US4077700 Waveguide addressing and modulating method and apparatus
03/07/1978US4077699 Optical devices
03/07/1978US4077558 Vapor deposition of noble metal and tin or indium
03/07/1978US4077260 Optically active cyano-biphenyl compounds and liquid crystal materials containing them
03/07/1978US4077113 Method of manufacturing an electro-optical switch
02/1978
02/28/1978USRE29557 Tl3 PSe4 Compound, single crystals, and acousto-optical devices
02/28/1978US4076646 O- or m-terphenyls
02/28/1978US4076387 Magnetic display
02/28/1978US4076386 Segmented electrochromic display general
02/28/1978US4076381 On line electro-optic modulator
02/21/1978US4075610 Method of storing optical information
02/21/1978US4075516 Diffraction electroacoustic transducer
02/14/1978US4074118 Calculator construction
02/14/1978US4073570 Electrochromic display device
02/14/1978CA1026449A1 Faraday effect antiflyback optical system with application to a laser amplifier
02/07/1978US4071912 Light filter for welder's mask
01/1978
01/31/1978USRE29530 Magneto-optical information storage device using photoconductive control element
01/31/1978US4071841 Dielectric matrix device
01/31/1978US4071831 Amplifying characteristics of a cavity-enclosed nonlinear medium
01/31/1978US4071751 Automatic optical bias control for light modulators
01/31/1978US4071430 Pigment particles in dielectric suspension; dye for color contrast
01/31/1978US4071396 Vapor phase equilibrium
01/31/1978US4071287 Manufacturing process for gaseous discharge device
01/31/1978US4070749 Method of manufacturing liquid crystal display devices
01/24/1978US4070094 Optical waveguide interferometer modulator-switch
01/24/1978US4070092 Active waveguide branch with variable synchronism
01/17/1978US4068928 Process for preparation of an electrode structure containing WO3 use of the structure in an electrochromic cell
01/17/1978US4068927 Electrophoresis display with buried lead lines
01/17/1978US4068926 Liquid crystal display device for displaying colored patterns
01/17/1978US4068925 Liquid crystal display device
01/17/1978US4068924 Light collector means for irradiating a liquid crystal display device
01/17/1978US4068923 Electro-optical cell
01/17/1978US4068588 Dipyrizylbenzyl bromide
01/10/1978US4068230 Passive electro-optic display device
01/10/1978US4068197 Apparatus for stabilizing beam for exposure
01/10/1978US4068191 Acoustooptic modulator for optical fiber waveguides
01/10/1978US4068190 Laser system having frequency doubling
01/10/1978US4067644 Electrochromic display device with a contrast-enhancing adjuvant and method of producing the same
01/10/1978US4067643 Input and output devices for optical fiber
01/03/1978US4067043 Optical conversion method
01/03/1978US4066569 Dopants for dynamic scattering liquid crystals
01/03/1978US4066337 Display system incorporating a liquid crystal
01/03/1978US4066336 Electrode for a controllable electrochromic indicator device and method of manufacture
01/03/1978US4066335 Variable density lens
01/03/1978US4066334 Liquid crystal light deflector
01/03/1978US4066333 Method of control of a liquid-crystal display cell
12/1977
12/27/1977US4065791 Interaction of images with strain waves to derive Fourier transform components of the images
12/27/1977US4065764 Liquid crystal display device
12/27/1977US4065671 Device for detecting X-ray radiation
12/27/1977US4065489 Liquid crystals
12/27/1977US4064919 Method of filling dynamic scattering liquid crystal devices
12/20/1977US4064453 Magnetic field detector
12/20/1977US4063795 Electro-optic holographic storage device having unlimited record-erase capability
12/13/1977US4063281 Motion detection employing direct Fourier transforms of images
12/13/1977US4063195 Parametric frequency converter
12/13/1977US4063158 Gaussmeter
12/13/1977US4063105 Method of and apparatus for generating tunable coherent radiation by noncollinear phase-matched sum-difference frequency optical mixing
12/13/1977US4062798 Phenylpyrimidine derivatives
12/13/1977US4062626 Liquid crystal display device
12/06/1977US4062009 Electrophoretic display device
12/06/1977US4061985 Laser fusion pulse shape controller
12/06/1977US4061418 Liquid-crystal display with polarizer, and method of making the same
12/06/1977US4061417 Color filter
11/1977
11/29/1977US4060848 Electronic calculator system having audio messages for operator interaction
11/29/1977US4060316 Imaging method
11/29/1977US4060311 Electrochromic device
11/22/1977US4059759 Passive and active pulse stacking scheme for pulse shaping
11/22/1977US4059341 Electrochromic display device with electrolytes and a method of producing the same
11/22/1977US4059340 Doped liquid crystal display device
11/15/1977US4058739 Method and apparatus for phase matching by adjustment of the fundamental frequencies
11/08/1977US4057739 Electro-chromic display driving circuit
11/08/1977US4057325 Display device
11/08/1977US4057324 Method of making a transparent ferroelectric ceramic element
11/08/1977US4057321 Spectroscopically selective filter device
11/08/1977US4057319 Optical system using a hologram coupler
11/08/1977US4056881 Method of manufacturing electro-optical cell
11/01/1977US4056306 Liquid crystal display device and method of manufacturing the same
11/01/1977US4056304 Light modulation employing single crystal optical waveguides of niobium-doped lithium tantalate
11/01/1977US4056290 Method of changing the frequency of a laser beam
10/1977
10/25/1977US4055838 Ferroelectric information optical storage device with self biasing
10/25/1977US4055377 Magnetically orientable retroreflectorization particles
10/18/1977US4054890 Exposure control device in a camera using an electro-optic light control element
10/18/1977US4054866 Conversion element and system utilizing magnetic bubbles
10/18/1977US4054368 Compound indicator device containing at least one liquid crystal cell
10/18/1977US4054367 Process and apparatus for high resolution non-mechanical deflection of light beams
10/18/1977US4054362 Device for modulating light
10/11/1977US4053763 Method and apparatus for pulse stacking
10/11/1977US4053209 Electrochromic device
10/11/1977US4053207 Electro-optic devices
10/04/1977US4052121 Noncollinear tunable acousto-optic filter
10/04/1977US4051582 Techniques for producing an acousto-optical component or a wide-band ultrasonic component
09/1977
09/27/1977US4051503 Exposure display device for a single lens reflex camera
09/27/1977US4051465 Ferroelectric ceramic devices
09/27/1977US4051370 Optical system for thermal imager
09/27/1977US4050814 Programmable light control matrix device
09/27/1977US4050787 Electrooptic display device
09/27/1977US4050786 Liquid crystal display device having particulate spacers in liquid crystal area and method of fabrication
09/20/1977US4050064 Four-level voltage supply for liquid crystal display
09/20/1977US4050027 Optical signal amplifier