Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7065032 | Apparatus and method for recording/reproducing optical information Apparatus and method for recording and reproducing optical information using holography is designed to provide a small configuration and to improve the S/N ratio of reproduced information. During recording, a phase spatial light modulator generates information light... | 06/20/2006 |
| 7061852 | Recording apparatus for a holographic recording medium including an alignment laser having a different wavelength from the recording laser A recording apparatus for holographic recording medium having an alignment mark and designed to irradiate a recording light beam onto a recording region of holographic recording medium to record information as a hologram. This apparatus comprises a recording laser r... | 06/13/2006 |
| 7058001 | Recording medium and information recording and reproducing method using the same A recording medium comprises a substrate and a recording layer overlaid on the substrate. The recording layer comprises a material, which has properties such that, when recording light having a predetermined wavelength λ1 is irradiated to the material, the m... | 06/06/2006 |
| 7050207 | Optical pickup device using hologram pattern and hologram pattern generating method Astigmatism and coma are suppressed in an optical pickup device such that light from a single real laser light source is diffracted and divided by a hologram module into a plurality of light spots which are focused upon a plurality of tracks of an optical disk to re... | 05/23/2006 |
| 7050635 | Multi-dimensional pattern recognition by use of digital holography A method and system for performing three-dimensional pattern recognition by use of digital holography is disclosed. The complex amplitude distribution generated by an object is recorded by phase-shifting interferometry. The digital hologram contains information abou... | 05/23/2006 |
| 7046613 | Exposure apparatus of an optical disk master, method of exposing an optical disk master and pinhole mechanism An exposure apparatus of an optical disk master having a laser source, a deflector for deflecting a recording laser beam obtained based on the laser beam of the laser source and an objective lens for focusing the recording laser beam on an optical disk master, has a... | 05/16/2006 |
| 7046892 | Optical waveguide, holographic medium, holographic storage and retrieval method and system A holographic medium is formed of an optical waveguide including at least one core layer positioned between at least one portion of a material having a lower refractive index, a diffraction grating layer formed at a boundary between the core layer and the material o... | 05/16/2006 |
| 7039252 | Iterative approximation environments for modeling the evolution of an image propagating through a physical medium in restoration and other applications Image processing utilizing numerical calculation of fractional exponential powers of a diagonalizable numerical transform operator for use in an iterative or other larger computational environments. In one implementation, a computation involving a similarity transfo... | 05/02/2006 |
| 7038978 | Optical information recording and reproducing apparatus for recording information bits into an optical disk in a three dimensional arrangement The optical information recording and reproducing apparatus includes a light source for emitting a light beam, an objective lens for converging the light beam emitted from the light source to an information recording medium, and a light detector for detecting the li... | 05/02/2006 |
| 7034970 | Optical recording medium and method for producing such an optical recording medium The present invention relates to a method for producing an optical recording medium. In the method, on the surface of a recording layer formed by spin-coating a first coating solution containing a photo-isomerizable component, a second coating solution that contains... | 04/25/2006 |
| 7027381 | Laser drawing apparatus, laser drawing method, a master for manufacturing hologram, and manufacturing method thereof The laser patterning device of this invention comprises a turntable on which is placed a processed member, and which rotates the member; a linear slider; a laser serving as a light source; an optical system, mounted on the slider, which condenses the laser light to ... | 04/11/2006 |
| 7027376 | Method for optical data recording and reproducing The invention concerns a method for optical recording of data on a photosensitive storage medium, characterized in that the data are encoded according to different possible states for the various components of a non-linear susceptibility tensor of the photosensitive... | 04/11/2006 |
| 7023786 | Hologram recording and reproducing apparatus A hologram recording and reproducing apparatus preforms to record data on a recording medium and reproduce data from the recording medium. The recording medium is made of a photorefractive crystal having a parallel plate shape. The apparatus includes: a support port... | 04/04/2006 |
| 7019874 | Holographic memory system including a photodetecting device provided with a band-pass filter A holographic memory system includes a light source for generating a reference beam having a wavelength; and a photodetecting device for selectively detecting a reconstructed signal beam corresponding to the reference beam. The photodetecting device includes a band-... | 03/28/2006 |
| 7014815 | Trackable optical discs with concurrently readable nonoperational features Design, manufacture and use of optical discs that permit the concurrent and discriminable acquisition of signals from both operational features and nonoperational features is presented. The disc geometries and tracking schemes permit such discs to be read in, and da... | 03/21/2006 |
| 7016292 | Geometry for optical data storage An optical data storage device includes an optically readable disk that has a body extending in a radial direction from a central axis. The body has a side and an elongated portion that extends along the side. The elongated portion includes a first side surface and ... | 03/21/2006 |
| 7012730 | Optics arrangements including light source arrangements for an active matrix liquid crystal image generator A system for producing modulated light is disclosed. The system comprises a spatial light modulator including a light modulating medium switchable between different states so as to act on light in ways which form overall patterns of modulated light. The system also ... | 03/14/2006 |
| 7012874 | Recording mark formation in a phase change memory material via a predominately capacitive cooling process Methods of writing information to an optical memory device. The methods comprise the step of writing a mark to the active material of the optical memory device by irradiating the material with an applied energy source. In one embodiment, the applied energy source pr... | 03/14/2006 |
| 7006425 | Information recording and/or reproducing method and apparatus for three dimensional optical recording medium Information is recorded/reproduced by focusing a light beam in/from an optical recording medium capable of forming therein marks for information recording in a plurality of three-dimensional directions including an arbitrary directions and at least depth direction. ... | 02/28/2006 |
| 7002891 | Apparatus and method for recording and reproducing information to and from an optical storage medium Holographic recording and reproducing using a compact configuration provides no reduction in the recording/reproducing capability. Information light and recording-specific reference light having a spatially modulated phase are generated and projected onto an optical... | 02/21/2006 |
| 7001708 | Photosensitive polymeric material for worm optical data storage with two-photon fluorescent readout Image formation via photoinduced fluorescence changes in a polymeric medium with two-photon fluorescence readout of a multi-layer structure. Fluorophore-containing polymers, possessing one or more basic functional groups, underwent protonation in the presence of a p... | 02/21/2006 |
| 6999397 | Holographic digital data storage system compatible with holographic and reflective medium In a holographic digital data storage system, a light source generates a reference beam, a holographic optical element saves a plurality of interference patterns between the reference beam and a plurality of beams of specific sizes and a beam splitter splits each re... | 02/14/2006 |
| 6995882 | Apparatus for recording optical information The present invention makes it possible to reduce the size of an optical system for multiplex recording or reproduction of information utilizing holography. A pick-up (11) of an optical information recording/reproducing apparatus generates information ... | 02/07/2006 |
| 6995845 | Methods for detecting analytes using optical discs and optical disc readers This invention relates to methods of using an optical disc reader to detect an analyte of interest that is associated with an optical disc assembly. The method includes the steps of: (1) providing the optical disc to the optical disc reader; (2) directing at least o... | 02/07/2006 |
| 6994938 | Exposure method for producing a hologram mask Methods for producing a hologram mask approximating the exposure produced by a non-holographic phase shifting photo mask are disclosed. One such method exposes a hologram recording material to a first object light, having passed through a first original mask and a f... | 02/07/2006 |
| 6992965 | Reading method and apparatus for a three-dimensional information carrier A method and apparatus for reading in a three-dimensional information carrier are presented. The three-dimensional information carrier is formed with a plurality of spaced-apart data regions, each surrounded by surrounding-regions. The data regions are made of a mat... | 01/31/2006 |
| RE38943 | Compound objective lens for optical disks having different thicknesses A compound objective lens is composed of a hologram lens or transmitting a part of incident light without any diffraction to form a beam of transmitted light and diffracting a remaining part of the incident light to form a beam of first-order diffracted light, and a... | 01/24/2006 |
| 6987615 | Diffractive optical element and optical head using the same A diffractive optical element emits substantially zero order diffracted light when light with a wavelength of 0.35 μm to 0.45 μm is incident and emits substantially first-order diffracted light when light with a wavelength of 0.6 μm to 0.7 μm is incident. The di... | 01/17/2006 |
| 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 |
| 6980337 | Apparatus and method for recording digital data on a holographic storage system A holographic apparatus includes a mask for modulating a signal beam to generate a modulated signal beam; a conical prism, which has a cone portion and a base portion, for refracting a reference beam to generate a refracted reference beam, wherein the refracted refe... | 12/27/2005 |
| 6978240 | Speech translation system utilizing holographic data storage medium A speech translation system and method are disclosed utilizing a holographic storage medium having a plurality of frames therein, each frame containing one or more discrete speech wave forms thereon for comparison with a spoken word wave form to select a wave form o... | 12/20/2005 |
| 6972982 | Ring-shaped prism of a holographic ROM system A holographic system for storing data on an interference pattern in a hologram storage medium includes a light source for emitting a laser beam, a beam splitter, modulating means and a refractive material. The beam splitter divides the laser beam into a reference be... | 12/06/2005 |
| 6972773 | Display control apparatus and display control method The invention provides a display control apparatus and a display control method wherein, where digital gradation display is performed, occurrences of a moving picture pseudo contour can be reduced simply. A signal production circuit produces a signal for driving a d... | 12/06/2005 |
| 6970414 | Three-dimensional optical memory with fluorescent photosensitive material This invention relates to a three-dimensional optical memory made from a fluorescent photosensitive material, and a method and device for the storage and retrieval of information on the three-dimensional optical memory. The fluorescent photosensitive material can be... | 11/29/2005 |
| RE38886 | Optical pick-up apparatus An optical pick-up apparatus comprising an optical modular device having two light sources for emitting light beams of different power levels, a photo-refractive crystal device disposed on the optical modular device and a recording medium for coupling the powers of ... | 11/22/2005 |
| 6966023 | Encoding method for an optical recorder An encoding method for an optical recorder provides an optical recorder with an encoder for encoding data received from a computer. Additionally, the optical recorder includes a processor for controlling operations of the encoder. The encoding method includes receiv... | 11/15/2005 |
| 6965496 | Thin film magnetic head, magnetic head device and magnetic recording/reproducing device In a first magnetic film, two notches are formed separately by a given distance, and a first pole piece is located between the notches. The first pole piece includes a uniform width portion. A second magnetic film includes a second pole piece. In the first pole piec... | 11/15/2005 |
| 6963597 | Grating-outcoupled surface-emitting lasers Laser diodes are formed with an outcoupling grating between two separate distributed Bragg reflectors. The devices have gain regions located between the reflector gratings for pumping the active region. The outcoupling grating couples light out of the waveguide norm... | 11/08/2005 |
| 6958967 | Holographic optical information recording/reproducing device An optical information recording/reproducing device reproduces digital data recorded in a form of interference fringes produced by two coherent beams in a hologram disk, by projecting a coherent beam to the hologram disk and receiving a reproduction signal beam obta... | 10/25/2005 |
| 6956806 | Information recording medium, information recording method and information recording apparatus A recording medium having a dummy signal area on at least one side of a recording area is used and information is recorded with a dummy signal added to at least one of the leading and trailing sides in the recorded information signal. The user data area remains unaf... | 10/18/2005 |
