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7488540 Thin film laminate and luminescent element  
In a production process of a thin film laminate for constituting an organic EL element or the like, a thin film laminate is provided in which no water stays in a thin film formed of a hydrophilic...
7124441 Method and apparatus for securely associating an optically readable memory with a user machine  
A CD-ROM has an obscurable section wherein exists a photosensitive mask material layer or constituent operative to alter the optical properties of areas subjected to prolonged exposure to the...
6744681 Fault-tolerant solid state memory  
A solid state memory device is fabricated by forming a level of the device; identifying defective areas in the level; and programming address logic of the level to avoid the defective areas in the...
6687149 Volumetric electro-optical recording  
In an optical memory device, an electroluminescent matrix has a plurality of individually electrically addressable electroluminescent cells, each having a stack of memory cells. The...
6218061 Ferroelectric charge-transport liquid crystal material  
There is provided a ferroelectric charge-transport liquid crystal material comprising a liquid crystal compound, the liquid crystal material having a carrier mobility of not less than 10 -5 cm 2 ...
6046925 Photochromic fluorescent proteins and optical memory storage devices based on fluorescent proteins  
Photochromic fluorescent protein moiety having two or more stable states having excitation or emission spectra that are shifted from one wavelength region to another wavelength region in the two...
5717626 Photoelectric sensor, information recording system, and information recording and reproducing method  
In a photoelectric sensor that enables information to be recorded on an information recording medium at an intensity amplified to a level higher than that of a current induced by information...
5581499 Micro information storage system  
A device for optically storing and retrieving information incorporating a cadmium fluoride crystal. Using focused ionizing radiation, patterns can be formed in the crystal by the creation of color...
5424974 Optoelectric memories with photoconductive thin films  
Methods and apparatii are described for information storage in photoconductive film of single layer composition by irradiation of memory elements simultaneously with application of an electric...
5412595 Opto-electronic memory system  
An opto-electronic memory system comprises a memory element (14) in which information is stored in an array of optically readable memory locations (17) and reading means comprising an...
5327373 Optoelectronic memories with photoconductive thin films  
Methods and apparatii are described for information storage in photoconductive film of single layer composition by irradiation of memory elements simultaneously with application of an electric...
5195082 Optical disk structures for electron trapping optical memory media  
An optical disk structure for an erasable optical disk for use with an erasable optical disk drive using electron trapping optical memory media is disclosed in which several distinct layers in...
5179533 Read/write optical memory  
An improved read/write optical disk is disclosed which is capable of being rewritten more than 10 6 times. The disk utilizes a storage medium in which data is stored by causing a localized region...
5160572 Optical memory device and apparatus for manufacturing the same  
An apparatus for manufacturing an optical memory device, which includes supplying rolls for continuously supplying a sheet-like substrate, a masking endless belt having a plurality of windows of...
5038321 Eraseable electro-optic storage disk, method of and apparatus for recording and reading data therefor  
An erasable electro-optic storage disk for use in focused laser beam operated data handling systems comprises a semiconductor substrate with a storage layer arranged on top of it that is capable of...
4701880 Optical system for recording/reproducing information by means of a dielectric breakdown effected by photoswitching of a bias-voltage  
An optical information recording/reproducing system comprises (A) a recording medium including a recording-bit producing layer, which is comprised of a fluorescent substance, and a photoconductive...
4684598 Enhanced optically sensitive medium using organic charge transfer materials to provide reproducible thermal/optical erasure  
An enhanced optically sensitive medium is disclosed which uses an organic charge transfer complex as the switching material. The organic charge transfer complex includes at least one moiety in an...
4648074 Reference circuit with semiconductor memory array  
A reference circuit which is particularly useful in combination with a memory array in which data transistors are arranged in rows and columns and in which the conduction paths of the data...
4392209 Randomly accessible memory display  
A randomly accessible memory display is disclosed wherein a latching memory panel can be placed in direct optical contact with the triggering electroluminescent panel having a similar matrix. Once...
4300211 Data-storage devices and bistable circuits therefor  
A bistable circuit comprises a light-emitting diode connected in series with a phototransistor and so disposed as to illuminate the latter. When current is flowing--i.e. when the phototransistor...
4245331 Memory pack  
A memory pack is provided having a random access memory connected between a positive power source terminal and a ground terminal, an addressing terminal coupled with the random access memory, and a...
4221002 Electro-optically matrix-addressed electroluminescence display with memory  
It has been discovered for the practice of this disclosure that there is a threshold for switching with light an AC coupled electroluminescence (EL) device within the ΔV of the luminance-voltage...
4159443 Electroluminescent optical devices  
Devices of the nature of magnetic bubble devices, but in which "bits" take the form of light spots, are described. A prototypical device takes the form of an electroluminescent, photoconducting...
4035774 Bistable electroluminescent memory and display device  
An electroluminescent memory and display device which may be switched from a first stable state to a second stable state in response to a relatively low switching voltage, and which may be...
3911423 Electrical luminescent displays  
An electrical luminescent device having a light emitting device and a photoconductive semiconductor between the light emitting device and an electrical supply source. Means are provided for...
3860915 MATRIX ARRANGEMENT FOR OPERATING OPTICAL ELEMENTS  
A matrix comprising optical elements, the optical properties of which being variable through an electro-magnetical field applied, said optical elements are connected in series to a first decoupling...
3855582 PARALLEL BIASED PHOTODETECTOR MATRIX  
A parallel biased photoconductor matrix comprises a plurality of light detection cells. Each cell has a pair of series connected low resistance diodes having a common junction. The series connected...
3855579 METHOD OF USING AN OPTIC RELAY COMPRISING AN ELEMENT OF AN ELECTRO-OPTICAL MATERIAL AND A PHOTOSENSITIVE ELEMENT  
In order to erase an image recorded on an optic relay comprising an element of electro-optical material and a photosensitive element, the photosensitive layer is uniformly exposed and...
3851318 LIQUID CRYSTAL INFORMATION STORAGE AND READ-OUT SYSTEM  
The unique properties of the Smectic C-phase of a liquid crystal are used to store information represented by the bistable orientation directions of molecular axes. Groups of molecules contained...
3835459 BIREFRINGENCE READ Bi Ti O DISPLAY AND MEMORY DEVICE  
Information to be stored is written into a single crystal of bismuth titanate, by either direct electrodes, photoconductors, or electron beams. Storage is by oppositely switched domains in the...
3831153 METHOD FOR QUASI CONTINUOUS OPERATION OF AN ELECTRO-OPTIC IMAGE CONVERTER  
An improved method for the operation of an image converter or optical buffer store formed from electro-optic and photoconductive materials is disclosed. In general, the method comprises operating...
3825922 CHANNEL PLATE DISPLAY DEVICE HAVING POSITIVE OPTICAL FEEDBACK  
Display device comprising a cathode-luminescent layer, a plurality of electron multiplier elements, and a plurality of individually energisable cathodes. The cathodes are photo-cathodes and an...
3792449 FERROELECTRIC CERAMIC STORAGE DISPLAY TUBE  
A ferroelectric ceramic is mounted within a CRT in a "strain-biased" state, so that it is birefringent. A reflective layer is mounted adjacent the ceramic, and a photoconductive layer is mounted...
3787823 LIGHT CONTROLLABLE CHARGE TRANSFER DEVICE  
A light controllable charge transfer device wherein one surface of a monolithic semiconductor substrate is coated with a photoelectric conductive layer whose surface is covered with a transparent...
3764813 COORDINATE DETECTION SYSTEM  
In a coordinate detection system, the interruption of pulsed invisible light beams is used to determine the spatial coordinates of a passive stylus, such as a finger or a pencil, relative to an...
3740734 COARSE GRAIN POLYCRYSTALLINE FERROELECTRIC CERAMIC OPTICAL MEMORY SYSTEM  
A coarse grain ferroelectric ceramic sandwiched between a pair of transparent electrodes and a photoconductive layer is used as a memory element. Write-in of information to be stored in selected...
3701122 FERROELECTRIC DOMAIN SHIFTING DEVICES  
Ferroelectric crystals which are also ferroelastic, such as gadolinium molybdate, can support stable internal ferroelectric polarization domains. These domains are expanded and moved in the...
3701121 FINE GRAIN FERROELECTRIC CERAMIC OPTICAL DISPLAY DEVICE UTILIZING THERMAL DEPOLING WRITE-IN  
An optical display device includes a fine grain polycrystalline ferroelectric ceramic plate, which is located between an optical polarizer and an analyzer. The ferroelectric plate is "reset" by...
3699374 LIGHT ACTIVATED, HIGH RESOLUTION, FIELD SUSTAINED CONDUCTIVITY IMAGE STORAGE AND DISPLAY DEVICE  
This invention provides a solid state image-storage panel, in the form of a multi-layered thin film structure, which can exhibit and retain a high resolution image momentarily impressed thereupon...
3681766 FERROELECTRIC/PHOTOCONDUCTOR STORAGE DEVICE WITH AN INTERFACE LAYER  
A memory element for use in photoelectric data recording apparatus comprising a layered structure of a conductive substrate, ferroelectric material, discontinuous interface layer, photoconductor,...
3681765 FERROELECTRIC/PHOTOCONDUCTOR MEMORY ELEMENT  
A memory element for use in photoelectric data recording apparatus of the type described in U.S. Pat. No. 3,148,354, comprising a sandwich-like structure of a top conductive electrode in electrical...
3680060 ELECTRO-OPTICAL MEMORY EMPLOYING FERROELECTRIC ELEMENT  
A photoconductive-ferroelectric device is employed as an erasable storage medium for recording and reading light patterns. The ferroelectric material may be a bismuth titanate crystal and its...
3675220 PLANAR RANDOM ACCESS FERROELECTRIC COMPUTER MEMORY  
This memory device uses ferroelectric materials and it stores information as a change in the crystalline formation of the ferroelectric material. In turn, this change manifests itself as a change...
3643233 THREE-DIMENSIONAL OPTICAL READ-ONLY MEMORY  
A three-dimensional optical read-only memory is composed of a stack of transparent plates composed of either ferroelectric or ferromagnetic materials wherein binary information is stored as domains...
3623028 INFORMATION READ-OUT SYSTEM  
An information carrier includes a base carrying information indicia having physical properties differing from those of the base. The indicia are arranged on the base in a manner such that, during a...
3614754 FERROELECTRIC GADOLINIUM MOLYBDATE COMPENSATION TYPE BISTABLE LIGHT GATE AND LOGIC CELL HAVING MEMORY  
Two, electroded, birefringent, bistable crystals of ferroelectric gadolinium molybdate are aligned along their crystallographic c axis between crossed optical polarizers. When the two crystals have...
3602904 FERROELECTRIC GADOLINIUM MOLYBDATE BISTABLE LIGHT GATE-MEMORY CELL  
A ferroelectric gadolinium molybdate crystal [Gd 2 (Mo0 4 ) 3 ], having transparent electrodes, positioned between crossed polarizers, is electrically switched between two stable states with...
3543248 ELECTRO-OPTICAL MEMORY MEANS AND APPARATUS  
3539862 DUAL CONDUCTOR STORAGE PANEL  
3531648 SOLID STATE STORAGE PANEL FOR COLOR REPRODUCTION  
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