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8161227 Storage subsystem capable of programming field-programmable devices of a target computer system  
A non-volatile storage subsystem is capable of serving as a configuration controller for configuring/programming one or more field-programmable devices, such as FPGAs, of a target computer system....
8081552 Hologram disc reading and writing apparatus and hologram disc reading apparatus  
A hologram disc reading and writing apparatus including a signal light source module, a beam splitter, a reference/reading light source, a reflector, and an optical reading head and a hologram disc...
7936631 Non-volatile memory element and method of operation therefor  
A very small magnetic tunnel junction is formed on a semiconductor p-i-n diode. Spin-polarized current which is generated by circular polarized light or elliptically-polarized light, is injected...
RE41693 Magnetic switching of charge separation lifetimes in artificial photosynthetic reaction centers  
Excitation of a triad artificial photosynthetic reaction center consisting of a porphyrin (P) convalently linked to a fullerene electron acceptor (C60) and a carotenoid secondary donor (C) leads to...
7729199 External beam expander  
The invention encompasses beam expanders and methods of using such beam expanders. A beam expander according to the present invention may advantageously be used with an interferometer. Beam...
7463547 Micro computer and method of optimizing microcomputer  
A microcomputer includes a circuit block; a nonvolatile memory configured to store optimization data for optimization of an operation of the microcomputer; and an optimization circuit configured to...
7408835 Optically readable molecular memory obtained using carbon nanotubes, and method for storing information in said molecular memory  
Described herein is an optically readable memory device comprising a molecular memory obtained using carbon nanotubes. In particular, the molecular memory uses, as memory element, a bundle of...
7289347 System and method for optically interconnecting memory devices  
A memory device includes a semiconductor substrate in which memory circuitry has been fabricated. An address converter and a control signal converter are coupled to an address decoder and control...
7283381 System and methods for addressing a matrix incorporating virtual columns and addressing layers  
A system and methods for addressing unique locations in a matrix. According to some embodiments, the system includes a plurality of uniquely addressable locations. A plurality of virtual columns...
7158273 Holographic data memory  
A holographic data storage medium has a polymer film which is set up as a storage layer whose refractive index can be changed locally by heating. The polymer film is set up for the storage of...
7149015 Obliquity correction scanning using a prism mirror  
Disclosed are optical systems and methods of producing obliquity corrected light beams, for example, holographic recording and retrieval systems that utilize an obliquity corrected reference beam....
7092133 Polytopic multiplex holography  
Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can...
7003619 Memory device and method for storing and reading a file system structure in a write-once memory array  
The preferred embodiments described herein provide a memory device and method for storing and reading a file system structure in a write-once memory array. In one preferred embodiment, a plurality...
6903853 Optical head and hologram recording device including the same  
An optical head comprises an integrated unit for recording and reproducing page data on a reflective recording medium, wherein the integrated unit includes recording and reproducing units each...
6850432 Laser programmable electrically readable phase-change memory method and device  
Roughly described, a phase-change memory such as a chalcogenide-based memory is programmed optically and read electrically. No complex electrical circuits are required for programming the cells. On...
6826321 Magnetic switching of charge separation lifetimes in artificial photosynthetic reaction centers  
Excitation of a triad artificial photosynthetic reaction center consisting of a porphyrin (P) convalently linked to a fullerene electron acceptor (C60) and a carotenoid secondary donor (C) leads to...
6819460 Apparatus and methods for routing of optical beams via time-domain spatial-spectral filtering  
Apparatus and methods are disclosed for spatially routing an optical pulse (data pulse) of an electromagnetic radiation and containing a specific address temporal profile and possibly additional...
6711046 Programmable optical array  
Programmable semiconductor elements, such as zener diodes, are used in an optical array. In one embodiment, an array of zener diodes is formed on a substrate surface and selectively zapped...
6680860 Optical coherent transient continuously programmed continuous processor  
Techniques for continuously programming a coherent transient spatial-spectral optical signal processor involve the repeated application of two or more spatially distinct optical programming pulses...
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...
6376040 Optical information medium, optical information recording method, and optical information reproducing method  
An optical information medium comprises a substrate 2, a recordable 6 layer which is formed on one surface of the substrate and which has plural data patches, and a lens layer 4 which is formed on...
6307799 Acousto optic data storage system on a stationary and high density data storage media  
A miniaturized stationary optical storage system capable of reading and writing data on an optical storage media is disclosed. In the disclosed invention, the disk is held stationary and the beam...
6172926 Optical data storage devices and methods  
An optical memory 200 including an optical storage element 301 for storing data as a packet of photons, optical storage element 301 delaying in time the packet of photons traveling through the...
6084824 Optical card reader including mechanical scanning assembly  
An optical reader includes a mechanical scanning assembly for scanning an optical card such as an OC-ROM. The scanning assembly includes a linear LED array, a linear detector array and a carrier...
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...
6026053 Photorefractive read-only optical memory apparatus using phase, frequency, and angular modulation  
The present invention stores and retrieves digital information by altering the phase transmission characteristics of a multiple layer phase recording by modulating the carrier frequency and the...
6005817 Method for parallel writing and reading of data in an optical memory, a writing/reading device for use by the method and uses of the method and the writing/reading device  
In a method for parallel writing and reading of data in an optical memory, the optical memory includes one or more microlenses for accessing a memory medium, individually addressable elements...
5930433 Waveguide array document scanner  
The optical scanner comprises a light source, an image sensor, a planar array of elongate optical waveguides, and input and output coupling optics for communicating light to and from the image...
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...
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...
5787032 Deoxyribonucleic acid(DNA) optical storage using non-radiative energy transfer between a donor group, an acceptor group and a quencher group  
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...
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...
5530666 Optical memory  
The present invention is based on the use of a plurality of gratings recorded in an optical waveguide, the gratings having different Bragg wavelengths selected to store individual bits of data. The...
5511035 Optical random access memory having diffractive simplex imaging lens  
An optical memory stores data in an optical data layer capable of selecting altering light such as by changeable transmissivity. Data is organized into a plurality of regions or patches (called...
5465238 Optical random access memory having multiple state data spots for extended storage capacity  
An optical memory is disclosed in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity or polarization. The data is illuminated...
5436871 Optical random access memory having folded image  
A compact optical memory in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The...
5430686 Semiconductor memory device and operating method thereof  
In a DRAM, buffer circuits constituting a column address buffer are provided near address input pads receiving external address signals to be input thereto, and switch circuits arranged near the...
5384728 Optical information storage apparatus using optical fiber  
An optical information storage apparatus includes an optical switch element and an optical fiber. The optical switch element receives an optical input and outputs an optical output only when the...
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...
5361238 Optical cache memory for magnetic and optical disk storage  
An optical cache memory architecture is utilized that has the advantages of fast access time, high bandwidth and high density. The optical cache memory architecture stores data holographically with...
5311474 Random access optical storage  
This application concerns an optical storage with an optical storage medium having a plurality of storage fields arranged in matrix fashion, wherein each storage field of this storage field matrix...
H001296 Optical switching device and parallel processing architecture  
A multiple-faced optical device comprising a light-responsive element having multiple faces, at least two of the faces constituting input faces for receipt of non-collinear light signals and at...
5287316 Optical FIFO buffer  
A FIFO buffer in which respective portions are controlled in a distributed manner is provided. In the FIFO buffer, a number of loop circuits having delay elements are provided in which respective...
5285411 Method and apparatus for operating a bit-slice keyword access optical memory  
A method and apparatus operate an optical memory to perform bit-slice associative memory operations by storing a plurality of keywords to define a keyword database and accessing the database by...
5272667 Optical information recording apparatus for recording optical information in a phase change type optical recording medium and method therefor  
There is disclosed an optical information recording apparatus for recording optical information in a phase change type optical recording medium and a method therefor. The order of the atomic...
5228001 Optical random access memory  
An electro optical random access memory uses a film of bacteriorhodopsin or similar photochromic substance which can change between two light absorbing states in response to light of each of two...
5185724 Image memory  
An image memory comprises a random access memory, a serial access memory including a main register and a preregister, a data transfer section for carrying out data transfer between the random...
4884243 Multi-port, optically addressed RAM  
A random access memory addressing system utilizing optical links between memory and the read/write logic circuits comprises addressing circuits including a plurality of light signal sources, a...
4879691 Optical recording system with optical recording medium having multilevel recording surface for tracking  
An optical recording medium which has data tracks and tracking lines juxtaposed with each other in a data recording region so as to write/read data into/from the data tracks, using the tracking...
4849940 Optical neural net memory  
An optical neural net, content addressable memory that does not include electronics or slow optics in the feedback path. The memory comprises an optical vector-matrix multiplier that includes a...
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