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| Number | Title | Issue Date |
| 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 expanders according to the present disclosure contain at least an input and ... | 06/01/2010 |
| 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 read out memory optimization data as a part of the optimization data... | 12/09/2008 |
| 7460432 | Sequential access memory with system and method A sequential access memory (“SAM”) device, system and method is provided that includes a memory array configured to store a group of bytes on each of a plurality of rows. A plurality of bit-lines transfer each of the group of bytes into and out of the memory arr... | 12/02/2008 |
| 7411807 | 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 logic, respectively. The address and control converters are operable t... | 08/12/2008 |
| 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 carbon nanotubes, for which it is possible to obtain at least two stable s... | 08/05/2008 |
| 7382639 | 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 logic, respectively. The address and control converters are operable t... | 06/03/2008 |
| 7336527 | Electromechanical storage device An electromechanical storage device includes an input element that facilitates the input of data, a series of data elements, and a terminating element that facilitates the reading out of data. The data elements each have at least two stable mechanical orientations, ... | 02/26/2008 |
| 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 logic, respectively. The address and control converters are operable t... | 10/30/2007 |
| 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 that include a plurality of serially connected switch elements provide ... | 10/16/2007 |
| 7225985 | Optical scanner An optical scanner is provided with a carrier, a casing, a driving unit and a transmission unit. The carrier has a connecting unit and an optical system mounted thereon. The casing has a guiding rail formed as integral unit on the interior wall. The guiding rail has... | 06/05/2007 |
| 7227817 | Low profile optical head An optical head of a type useable in a optical disk reader/writer is provided. The optical head has a low profile, e.g., in a vertical direction parallel to the disk spin axis, such as less than about 5 mm preferably less than about 3 mm. Substantially all component... | 06/05/2007 |
| 7200024 | 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 logic, respectively. The address and control converters are operable t... | 04/03/2007 |
| 7196984 | Optical disk medium and optical disk recording and reproducing apparatus A recording data string is composed of a plurality of synchronous frames each of which has synchronous data and coding data. Data items in the coding data contributed to creation of the same column of the error correction code are arranged at regular intervals of E ... | 03/27/2007 |
| 7191153 | Content distribution method and apparatus Media which stores protected content is distributed to users without the need for payment at the time of media distribution. Payment can be performed at a later time in response to which content may be enabled, and/or users may selectively pay for, and receive enabl... | 03/13/2007 |
| 7167286 | 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 additionally take full advantage of an alternate multiplexing scheme su... | 01/23/2007 |
| 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 optical phase information via the local optical path length of the polymer... | 01/02/2007 |
| 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. One method includes directing a light beam reflected from a prism mir... | 12/12/2006 |
| 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 additionally take full advantage of an alternate multiplexing scheme su... | 08/15/2006 |
| 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 of bits representing a file system structure is inverted and stored i... | 02/21/2006 |
| 6996660 | Memory device and method for storing and reading data in a write-once memory array The preferred embodiments described herein provide a memory device and method for storing and reading data in a write-once memory array. In one preferred embodiment, a plurality of bits representing data is inverted and stored in a write-once memory array. When the ... | 02/07/2006 |
| 6980652 | Combination mastered and writeable medium and use in electronic internet appliance An optical medium uses a single structure or format (such as identical materials, layers and the like) for both a region for holding mastered data and a writeable area. In one aspect, a writeable region of a medium with mastered content is used in connection with pa... | 12/27/2005 |
| 6956612 | User selectable focus regions in an image capturing device An image capturing device includes a focusable lens apparatus, an image sensor comprising a plurality of pixel elements, and an electronically actuatable shutter device including a plurality of individually addressable and actuatable shutter elements. A shutter elem... | 10/18/2005 |
| 6914868 | Low profile optical head An optical head of a type useable in a optical disk reader/writer is provided. The optical head has a low profile, e.g., in a vertical direction parallel to the disk spin axis, such as less than about 5 mm preferably less than about 3 mm. Substantially all component... | 07/05/2005 |
| 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 corresponding to a bit of data of the page data, wherein each of the reco... | 06/07/2005 |
| 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 the other hand, this memory can be read by electrical circuitry dire... | 02/01/2005 |
| 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 the formation of a long-lived C+-P-C60 | 11/30/2004 |
| 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 data. Routing generally involves a unit of active material that is prog... | 11/16/2004 |
| 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 (programmed) to create a reflective filament between anode and cathode contac... | 03/23/2004 |
| 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 to a non-persistent hole-burning material to write an accu... | 01/20/2004 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 05/07/2002 |
| 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 another surface of the substrate and comprises the plural ... | 04/23/2002 |
| 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 is made to scan on both the axes by using an acousto optic ... | 10/23/2001 |
| 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 storage element from a first point to a second point. A photon... | 01/09/2001 |
| 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 for moving the LED array and the detector array jointly in a... | 07/04/2000 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 05/23/2000 |
| 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 carrier frequency angle. These layers are organized into seve... | 02/15/2000 |
| 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 arranged in one or two-dimensional matrices in a write/read dev... | 12/21/1999 |
| 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 transmission optics. The light source is adapted to direct lig... | 07/27/1999 |
| 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 incubating the blue membrane with an organic cation selected fr... | 07/13/1999 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 11/10/1998 |
