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8604521 Optically controlled read only memory  
An optically controlled read only memory is disclosed. The optically controlled read only memory includes a substrate, a plurality of memory cells having optical sensors disposed on the substrate,...
8488360 Semiconductor integrated circuit including a logic circuit module with a plurality of photodetectors  
A semiconductor integrated circuit capable of protection from card hacking, by which erroneous actions are actively induced by irradiation with light and protected secret information is...
8437176 Optical refreshing of loadless for transistor SRAM cells  
Loadless 4 transistor SRAM cell operation can be substantially improved, yielding area saving and more stable operation by use of optical-light load. Parasitic photocurrents in PMOS...
8320154 Switching element and application of the same  
A micro-switching element provided with a first electrode 4 containing an ionic conductor and a second electrode 5 composed of an electric conductor, wherein the first electrode 4 and the second...
8194469 Optical sensor element, imaging device, electronic equipment and memory element  
An optical sensor element has a gate electrode opposed to a semiconductor layer made of an oxide semiconductor via a gate insulating film, source and drain electrodes being connected to the...
8054670 Reconfiguration controlling apparatus for optically reconfigurable gate array and method thereof  
[PROBLEMS] To provide a reconfiguration controller of an optically reconfigurable gate array for correctly and reliably writing various types of logical operation circuits of an optically...
8040711 Apparatus and methods for optically-coupled memory systems  
Optically-coupled memory systems are disclosed. In one embodiment, a system memory includes a carrier substrate, and a controller attached to the carrier substrate and operable to transmit and...
7969763 Detector circuit for detecting an external manipulation of an electrical circuit, circuit arrangement comprising a plurality of detector circuits, memory device and method for operating a detector circuit  
A detector circuit for detecting an external manipulation of an electrical circuit. The detector circuit includes a digital circuit which is sensitive to at least one of the effects of ionizing...
7903445 Photonic memory device, data storing method using the photonic memory device and photonic sensor device  
Provided are a photonic memory device, a method of storing data using the photonic memory device, and a photonic sensor device. The photonic memory device comprises a signal line through which a...
7864565 Data retention monitor  
A data retention monitor for a memory cell including a voltage source and a voltage comparator. The voltage source is adapted to provide a selectable voltage to the memory cell. The selectable...
7821807 Nonequilibrium photodetectors with single carrier species barriers  
A photosensitive diode has an active region defining a majority carrier of a first conductivity type and a minority carrier of a second conductivity type. An extraction region is disposed on a...
7626842 Photon-based memory device and method thereof  
A memory device includes a bit cell including an adjustable transmittance component having a first side and a second side. The adjustable transmittance component has an adjustable transmittance...
7535744 Semiconductor integrated circuit and IC card system having internal information protection  
A semiconductor integrated circuit capable of protection from card hacking, by which erroneous actions are actively induced by irradiation with light and protected secret information is...
7295455 Semiconductor integrated circuit with photo-detecting elements for reverse-engineering protection  
A semiconductor integrated circuit capable of protection from card hacking, by which erroneous actions are actively induced by irradiation with light and protected secret information is...
7042752 IC card system using photo-detectors for protection  
A semiconductor integrated circuit capable of protection from card hacking, by which erroneous actions are actively induced by irradiation with light and protected secret information is...
6957158 High density random access memory in an intelligent electric device  
Methods and devices for monitoring distributed electric power are disclosed, including energy devices with a sensor for monitoring an electric circuit, and a memory to store sensor measurements....
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...
6392914 Storage device encompassing a diffusion process and a dissipation process of information carriers and storage method thereof  
A nonlinear coupling oscillator array is configured in such a manner that, for example, two layers in each of which a number of quantum dots as oscillators are arranged two-dimensionally are laid...
6385080 DNA optical storage device using Forster energy transfer mechanism  
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
6297984 Structure and method for protecting integrated circuits during plasma processing  
A protection circuit and method for preventing high word line voltages during plasma processing of integrated circuits. The protection circuit includes a shunt transistor connected between each...
6219160 Optical logic element and methods for respectively its preparation and optical addressing, as well as the use thereof in an optical logic device  
In a multistable optical logic element with a light-sensitive organic material (1) which undergoes a photocycle with several physical states by irradiation with light, and wherein a physical state...
6136457 Manganese oxide material having MnO3 as a matrix  
A manganese oxide material that can be used as a switching device or as a memory device or the like is formed of Mn-based oxide material. The Mn-based oxide material exhibits insulator-to-metal...
6067246 Method for writing data to and reading multiple bit data words from a DNA optical storage device  
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
6025857 Photosensitive member and electrostatic information recording method  
A photosensitive member which has an electrode provided on the front side and a photoconductive layer stacked on the electrode, the photosensitive member being disposed face-to-face with an...
6001519 High molecular weight information recording medium and related data writing method  
An information recording medium including a substrate, an intermediate conductive layer, and a high molecular weight layer. When the high molecular weight layer is heated to close to its glass...
5922843 Analog bacteriorhodopsin molecules  
A method of preparing an analog of bacteriorhodopsin in which organic cations selectively replace calcium and magnesium cations. The method comprises preparing a cation-free blue membrane and...
5923581 Information recording medium, reading apparatus for said medium and processes for implementing said apparatus  
Information recording medium, reading apparatus for said medium and processes for implementing the apparatus. According to the invention, the material constituting the recording layer (15) is...
5917747 Digital memory element  
A digital memory element having three miniaturized electron tubes, which is faster and smaller by at least one further order of magnitude than known digital memory elements, can be produced...
5898607 Recording/reproducing method and recording/reproducing apparatus  
A voltage of an intensity corresponding to information to be recorded is applied to a recording medium which comprises a film containing a charge generating material. The film is sandwiched...
5892939 Emulator for visual display object files and method of operation thereof  
A system for, and method of, emulating, on a non-native computer, a native environment for a visual display object file for a real time process control system and a real time process control...
5835404 DNA optical storage device utilizing non-radiative energy transfer  
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
5825725 Method and apparatus for reversible optical data storage  
Storage, retrieval and erasure of optical information in bacteriorhodopsin (bR) films by alteration of the bR's absorption spectrum by photo-induction and by application and switching of an...
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...
5717627 Optical memory device incorporating photodetector devices and light emitting devices  
The optical memory device of the present invention comprises a photodetector device which generates a current when light is incident thereon and a light-emitting device which is connected to the...
5629920 Photoelectric sensor, information recording system, and information recording method  
An information recording system including a photoelectric sensor having a semiconductive, photoconductive layer stacked on an electrode, and an information recording medium having an information...
5615143 Optomechanical terabit data storage system  
An ultra-high density optical storage system includes an array of nanometer-scale emitter tips which are associated with corresponding storage surfaces. The tips are optically selectively...
5608666 Optical memory apparatus using first and second illuminating lights for writing and reading  
An electronic apparatus comprising a material having a photoconductivity, an energy bandgap, and trap levels. The material is typified by a thin film of polycrystalline diamond. The material is...
5559732 Branched photocycle optical memory device  
A high density volmetric optical memory stores information in three dimensions by selectively activating a photochemical branching reaction from a short-lived thermal intermediate of the primary...
5519651 High capacity holographic storage system  
A holographic storage assembly is provided which utilizes a large holographic storage media (36) disposed between two reflecting surfaces (40) and (42). An optics system (44) is disposed between...
5517151 Intensity controlling circuit having fuses and EPROMs for LED-array head  
An intensity controlling circuit device can correct variation in intensity of light beams, due to tolerance occurred in each of a plurality of LED-array chips, emitted by LEDs provided in each of...
5499206 Semiconductor optical memory device for optical storage of information with increased recording density  
A semiconductor optical memory device includes a semiconductor layer formed with a plurality of elemental recording areas each having a size generally equal to a wavelength of the optical beam. A...
5439777 Recording and reproducing apparatus and method for applying a pulse voltage and an electromagnetic wave  
A recording-reproducing apparatus includes an electrode, a material that changes its intramolecular electron distribution upon the application of electromagnetic wave irradiation and an electric...
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...
5410502 Opto-electronic memory systems  
In an opto-electronic memory system having a memory element (14), for example an optical data card, in which optically-encoded data is stored in rows of memory locations (17) and reading elements...
5389475 Recording medium and information-erasing method  
A recording medium includes a substrate electrode, a recording layer constituted of a monomolecular film of an organic compound or a built-up film thereof, and a photoconductive thin film,...
5373348 Converting device including variable electroconductivity material, and recording and detecting method using the same  
A converting device, and recording and detecting methods using the same, wherein the converting device includes a converting layer containing a variable electroconductivity material exhibiting...
5371698 Random access optical memory  
The multi-dimensional optical memory utilizes the wavelength and intensity dimensions to effect a high density record. With incorporation of a broadband light source, scanning monochromator and...
5352551 Process for storing information with high storage density  
A process for storing information in an organic recording layer which, when treated locally with an organic solvent in accordance with the input of information, is able to change its absorption...
5351209 Apparatus for converting optical information into electrical information signal, information storage element and method for storing information in the information storage element  
An apparatus for converting optical information into an electrical information signal includes a plurality of one-dimensional conversion arrays arranged in parallel form. Each one-dimensional...

Matches 1 - 50 out of 178 1 2 3 4 >