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| Application No. | Application Title | Issue Date |
| 20120127843 | SERVOING SYSTEM FOR MASTER WITH PARALLEL TRACKS IN A HOLOGRAPHIC REPLICATION SYSTEM Techniques are provided for controlling the reading of optical data from a master disk in a holographic replication system. Imperfections in the master disk or movement of the disk during a recording process may cause source beams to deviate from target data tracks. In ... | 05/24/2012 |
| 20120026856 | OPTICAL INFORMATION RECORD/REPRODUCTION APPARATUS AND REPRODUCTION APPARATUS A holographic memory apparatus comprises first phase modulation means that adds phase information to each pixel of a signal beam to generate page data at recording time; oscillator light generation means that generates an oscillator light that is superimposed on, and in... | 02/02/2012 |
| 20120026855 | METHOD AND SYSTEM FOR PROCESSING INFORMATION FROM OPTICAL DISK LAYERS A method for processing information is provided. The method includes directing a laser beam to a first track of a first layer of a holographic storage medium. The method also includes recording a base voltage based on a look-up table. The method includes directing the l... | 02/02/2012 |
| 20120008482 | SYSTEM FOR HOLOGRAPHY The present invention provides systems of recording holograms that reduce the writing time, increase the diffraction efficiency, improve the resolution, or restitute color. These systems are well suited for use with an updateable 3D holographic display using integral ho... | 01/12/2012 |
| 20110317537 | MULTILAYER COAXIAL HOLOGRAPHIC STORAGE SYSTEM An apparatus for reading from a multilayer holographic storage medium with a coaxial arrangement of a reference beam and a reconstructed object beam is described. The apparatus has an objective lens for focusing the reference beam into the multilayer holographic storage... | 12/29/2011 |
| 20110261670 | OPTICAL PICKUP DEVICE AND OPTICAL DISC DEVICE When recording/reproducing an information recording medium having a plurality of information recording layers, a photodetector receives reflected light from a recording layer which is being recorded/reproduced, as well as reflected light from another recording layer whi... | 10/27/2011 |
| 20110255391 | HOLOGRAM RECORDING AND REPRODUCING DEVICE AND METHOD FOR RECORDING HOLOGRAM A hologram recording and reproducing device controls an optical beam output from an external cavity semiconductor laser to improve a diffraction efficiency. The hologram recording and reproducing device includes an external cavity laser, a photodiode, a laser drive circ... | 10/20/2011 |
| 20110249544 | Reading Device A reading device includes a spatial light modulator, a zoom lens set, an object lens, an image sensor, and an adjusting module. The spatial light modulator provides a reading beam. The zoom lens set forms the reading beam into a real image. The object lens focuses the r... | 10/13/2011 |
| 20110242958 | SYSTEM AND METHOD FOR TRANSFER OF DATA STORED IN HOLOGRAPHIC STORAGE MEDIUM A system for processing information is provided. The system includes multiple micro-holograms contained in multiple volumes arranged along multiple tracks in one or more storage mediums. Each of the micro-hologram includes a data. The system also includes one or more pi... | 10/06/2011 |
| 20110235493 | Collinear Holographic Storage Method and Apparatus In the specification and drawings, a collinear holographic storage method is described and shown with a controlling step to control the temperature of the collinear holographic storage media such that the writing temperature of the collinear holographic storage media is... | 09/29/2011 |
| 20110228663 | HOLOGRAPHIC RECORDING METHOD A holographic recording method includes the following steps:
| 09/22/2011 |
| 20110222389 | LASER CONVERGING APPARATUS, OPTICAL PICKUP DEVICE, AND OPTICAL DISC RECORDING/REPRODUCING APPARATUS A laser converging apparatus includes a polarizing hologram element having a first area defined by a numerical aperture corresponding to a thickness of a first protective layer of a first disk medium and a second area inside the first area, the second area defined by a ... | 09/15/2011 |
| 20110211436 | Information Processor Device and Storage Medium In an information storage device in which small partitions for storing information are three-dimensionally placed inside a solid, the invention aims at long-period storage, robustness, and rapid information reading. Accordingly, the stored three-dimensional information ... | 09/01/2011 |
| 20110170395 | OPTICAL INFORMATION RECORDING APPARATUS According to one embodiment, an optical information recording apparatus includes a spatial light modulator, an optical mechanism, a driving module, and a controller. The spatial light modulator converts an irradiation beam emitted from a light source to plural partial i... | 07/14/2011 |
| 20110134741 | RECORDING/REPRODUCING METHOD IN READ-ONLY HOLOGRAPHIC RECORDING MEDIUM, AND READ-ONLY HOLOGRAPHIC RECORDING MEDIUM A recording signal beam and a recording reference beam are irradiated onto a first surface of a holographic recording medium to write an information as an interference pattern therein. Next, a reflective layer is provided on a second surface opposite to the first surfac... | 06/09/2011 |
| 20110096653 | MICRO-HOLOGRAPHIC DATA STORAGE SYSTEM AND METHOD A micro-holographic data storage system and method. Micro-holograms are written to a data storage medium with two counter-propagating beams via objective recording lenses which have a first numerical aperture (NA) to make the micro-holograms larger. Alternatively, elong... | 04/28/2011 |
| 20110090776 | OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND SIGNAL DETECTING METHOD An optical head device includes a light source configured to emit a light beam, a light collecting optical system configured to converge the light beam onto an information recording medium, a hologram element configured to diffract the light beam reflected from the info... | 04/21/2011 |
| 20110088050 | Holographic Film and Recording Method This invention relates to holographic film for recording multicolor volume holograms, especially full color volume reflection holograms, and to manufacturing techniques for such film, and to corresponding methods of recording multicolor and full-color volume, in particu... | 04/14/2011 |
| 20110080817 | COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE SAME An optical pickup compatible with different types of optically recorded media and an optical recording and/or reproducing system employing the compatible optical pickup, the compatible optical pickup including: a short wavelength light source emitting a short wavelength... | 04/07/2011 |
| 20110075537 | HOLOGRAPHIC DISC WITH IMPROVED FEATURES AND METHOD FOR THE SAME An improved holographic data storage disc is provided. The holographic data storage disc includes multiple multimedia content, wherein at least one of the multimedia is locked via one or more cryptographic keys.... | 03/31/2011 |
| 20110069597 | OPTICAL HEAD APPARATUS, HOLOGRAPHIC OPTICAL DEVICE, OPTICAL INTEGRATED DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND SIGNAL DETECTION METHOD An optical head apparatus including a holographic optical device which diffracts a light beam and includes a first diffraction region and a second diffraction region facing each other across a region dividing line passing through an optical axis of a light-collection op... | 03/24/2011 |
| 20110069596 | HOLOGRAPHIC RECORDING METHOD, A HOLOGRAPHIC RECORDING MEDIUM AND USE OF SUCH MEDIUM A method of recording content comprising the steps of: providing a content storage medium comprising a pre-recorded grating or hologram; and illuminating a pre-recorded grating or hologram with a single recording beam to record content in the grating or hologram. The re... | 03/24/2011 |
| 20110051586 | OPTICAL DATA STORAGE MEDIA AND METHODS FOR USING THE SAME There are provided optical data storage media and methods of optical data storage using the same. The optical data storage media comprises a non-linear sensitizer capable of absorbing actinic radiation to cause upper triplet energy transfer to a reactant that undergoes ... | 03/03/2011 |
| 20110044151 | ELECTRONIC DEVICE An electronic device that performs at least reading or regeneration of data in or from a hologram disc is characterized by including an objective lens 11 disposed opposite a hologram disc (MH) 1; a laser light source 5 that emits a beam toward the o... | 02/24/2011 |
| 20110007620 | DATA PAGE FOR USE IN A HOLOGRAPHIC DATA STORAGE SYSTEM A data page for use in a holographic data storage system, and to a method and an apparatus for writing to holographic storage media using such a data page are described. The data page has dark zones for each boundary between phase blocks of a phase mask of the holograph... | 01/13/2011 |
| 20100328805 | ERROR TOLERANT OR STREAMING STORAGE DEVICE A method of storing data includes receiving general purpose (GP) data and special Error Tolerant or Streaming (ETS) data, storing the GP data using a data storage method, and storing the ETS data using a different data storage method which affects the access rate, resil... | 12/30/2010 |
| 20100322058 | HOLOGRAPHIC STORAGE SYSTEM USING ANGLE-MULTIPLEXING A holographic memory storage device that uses a photorefractive crystal for storing data is disclosed. The device uses angle-multiplexing in order to store and retrieve page data and sub page data. MEMS devices are used in order to provide individual sector addressing.... | 12/23/2010 |
| 20100315931 | Pre-Exposure and Curing of Photo-Sensitive Material for Optical Data Storage The present invention relates to a method for performing pre-exposure and curing of a photo-sensitive material for optical data storage, in particular for holographic data storage, and to an apparatus for writing to optical storage media using such method. According to ... | 12/16/2010 |
| 20100309768 | 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 reading apparatus are provided. A signal light beam emitted from the sig... | 12/09/2010 |
| 20100302927 | OPTICAL DATA STORAGE MEDIUM AND METHODS FOR USING THE SAME There are provided an optical data storage medium and methods of optical data storage using the same. The optical data storage medium comprises a non-linear sensitizer capable of absorbing actinic radiation to cause upper triplet energy transfer to a reactant that under... | 12/02/2010 |
| 20100296381 | Apparatus and Method to Store Information in a Holographic Data Storage Medium A method is disclosed to store information in a holographic data storage medium. The method provides a hologram comprising an alignment pattern, and disposes that hologram into a holographic data storage medium during manufacture.... | 11/25/2010 |
| 20100296374 | APPARATUS AND METHOD FOR INITIALIZING INFORMATION RECORDING MEDIUM, APPARATUS AND METHOD FOR RECORDING INFORMATION, AND INFORMATION RECORDING MEDIUM An initialization apparatus that has a simplified configuration and that forms an initial hologram in an information recording medium is provided. An initialization apparatus (10) rotates an optical disk (100) and emits blue light beams (Lb1) and (L... | 11/25/2010 |
| 20100296380 | Spatial Light Modulators with Changeable Phase Masks for Use in Holographic Data Storage A holographic data storage system that includes a write head that includes a pixellated spatial light modulator and a separate or integral phase mask that varies the phase depending on the location in the phase mask that light passes through. The phase variation can be ... | 11/25/2010 |
| 20100271923 | Optical pickup An optical-pickup hologram element has six regions on an x-y plane, divided as follows: the first region with a first line (an x-axis) and a second line that connects points (−xa, 0) and (−xb, yb); the second region with the first and second lines and a third line c... | 10/28/2010 |
| 20100271921 | OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING METHOD A holographic recording medium in which information can be reproduced by phase conjugate beam without requiring a mirror for obtaining the phase conjugate beam and its driving part and recording density is not reduced. The recording medium includes a recording layer in ... | 10/28/2010 |
| 20100271922 | HOLOGRAM RECORDING DEVICE A hologram recording device that records a hologram by passing recording light and reference light through the same objective lens and irradiating a recording medium, includes: a light splitter for dividing light from a light source into the recording light and the refe... | 10/28/2010 |
| 20100265808 | HOLOGRAM DEVICE, TILT DETECTION METHOD, AND TILT CORRECTION METHOD A hologram device includes: a light source for applying light to a hologram recording medium having a recording layer in which information recording is performed by interference fringes between signal light and reference light; a spatial modulation unit that generates t... | 10/21/2010 |
| 20100246367 | OPTICAL INFORMATION RECORDING METHOD AND APPARATUS USING THE SAME An optical information recording method includes the following steps. A converting step is converting a light beam into an information beam carrying information by using a spatial beam modulator. A focusing step is focusing the information beam on an optical information... | 09/30/2010 |
| 20100232280 | APPARATUS AND METHOD TO STORE INFORMATION IN A HOLOGRAPHIC DATA STORAGE MEDIUM A method to provide data storage services using one or more holographic data storage media disposed in a holographic data storage system operated by a data storage services provider, wherein the holographic data storage system comprises a light source, a spatial light m... | 09/16/2010 |
| 20100226232 | APPARATUS AND METHOD FOR RECORDING/REPRODUCING OPTICAL INFORMATION, AND DATA FETCHING BY REFERENCE TO OPTICAL INFORMATION RECORDING MEDIUM Provided are an optical information recording/reproducing apparatus and method capable of managing a wavelength of a light source when information is recorded/reproduced by utilizing holography, and limiting a wavelength of an interference fringe in a medium, and an opt... | 09/09/2010 |
