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US20120008482 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...
US20080031118 COMBINED HOLOGRAM OPTICAL ELEMENT, COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE SAME  
A hologram optical element, usable in a compatible optical pickup including the hologram optical element and an optical information storage medium system including the compatible optical pickup,...
US20100074090 STORAGE SYSTEM AND OPTICAL PICK-UP UNIT  
Disclosed herein are aspects of optical tape technology, tape manufacturing, and tape usage. Methods and systems of tape technology disclose optical tape media including: configurations,...
US20080285419 HOLOGRAM OPTICAL DEVICE, AND COMPATIBLE OPTICAL PICKUP HAVING THE HOLOGRAM OPTICAL DEVICE AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE COMPATIBLE OPTICAL PICKUP  
A hologram optical device, and a compatible optical pickup having the hologram optical device and an information storage medium system employing the hologram optical device. The hologram optical...
US20080112302 Beam shifting element for an optical storage system  
The present invention relates to a beam shifting element and to an apparatus for reading from and/or writing to optical storage media using in such a beam shifting element. According to the...
US20150063089 Six-dimensional Optical Multilayer Storage Using Two-photon Absorption Writing, Erasing and Optical Coherence Tomography Reading  
This invention relates a method of six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading and the apparatus designed based...
US20080310282 Method for Acquiring Optimum Position of Reserved Block in Holographic Storage System  
A method for acquiring an optimum position of a reserved block in a holographic storage system is provided. Firstly, an initial offset error between an initial reserved block and its two nearest...
US20080106995 Optical rotation counter  
Optical rotation counter associated with a rotary disc of an angle sensor provided with means for coding the angular position of the disc, including at least one fixed source of coherent light...
US20090010134 Holographic storage medium with integrated phase mask  
The present invention relates to a holographic storage medium, and more specifically to a holographic storage medium with an integrated phase mask layer. According to the invention, the...
US20090129233 Shift-insensitive storage of information in page oriented optical data storage systems  
A data page for optical data storage for an optical storage system, i.e. a holographic storage system, is presented. The data page includes one or more areas, which are less sensitive against a...
US20080304392 Hologram Storage System  
A hologram storage system having a plurality of data bits groups (each data bits group is related to each other, and all these data bits groups together constituted to a codeword) stored on...
US20080137511 TECHNIQUES TO STORE AND ACCESS INFORMATION USING A HOLOGRAPHIC MEDIUM  
Techniques are described that can be used to store information onto a holographic storage medium. Techniques are described that can be used to access information from a holographic storage medium....
US20090296557 OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS  
There is provided an optical information recording/reproducing apparatus having an optical disc drive unit for driving an optical disc mounted, a hologram disc drive unit for driving a hologram...
US20090116363 INFORMATION STORAGE DEVICE AND STORAGE MEDIA  
In an information memory apparatus having minute areas for storing information arranged in x, y and z directions three-dimensionally, parallel rays are irradiated to a memory area MA in a...
US20080253257 Phase-Conjugate Read-Out in a Holographic Data Storage  
The invention relates to a holographic data storage medium (4) in which there are sections (20) which are used for data storage and sections (21) which are not. A diffractive structure (30a, 30b)...
US20080130461 Holographic Storage with Homodyne Detection  
The invention concerns the field of holographic storage units. More particularly, the invention concerns the field of holographic storage units used for bit-by-bit storage of information. It...
US20070201340 Holographic storage medium  
The present invention relates to a holographic storage medium, and more specifically to a holographic storage medium with an improved servo architecture for precise positioning of a laser beam in...
US20070242589 Stabilizing holographic disk medium against vibrations and/or controlling deflection of disk medium  
The present invention relates to: stabilizing a holographic disk medium against vibrations by engaging at least one of surface of a disk medium when coupled to a disk medium coupler and during...
US20080008076 Calibration of Holographic Data Storage Systems Using Holographic Media Calibration Features  
Calibration of holographic data storage systems (HDSS) is provided by utilizing holographic media (4) having calibration features which can be read, written, or read and written by a HDSS (30)....
US20070140091 Holographic storage and reproduction system and method with servo  
A holographic storage and reproduction system and method with a servo are provided, wherein a servo mechanism is provided, such that the holographic interferogram is continuiously stored in the...
US20060066948 Multi-level and gray-level diffraction gratings  
Multi-level and gray-level diffraction gratings are provided for use in beam splitters and optical pickups. The multi-level and gray-level diffraction gratings are designed for utilization with...
US20090080313 Optical Information Recording and Reproducing Device  
The optical information recording and reproducing device utilizing holography requires the optical system to generate the signal beam and the reference beam to be irradiated to the holographic...
US20090196143 Method and System for Command-Ordering for a Disk-to-Disk-to-Holographic Data Storage System  
A system, method and computer program product for managing command ordering for a host-Disk-to-intermediate-Disk-to-Holographic (D2D2H) data storage system. Specifically, a command ordering...
US20070115789 Holographic scanning device  
The invention relates to an optical holographic device for reading out a data page recorded in a holographic medium (106). The device comprises means (104, 105) for forming an imaged data page...
US20090175148 Holographic system, in particular for holographic data storage  
In order, in the case of a holographic system, in particular for holographic data storage, comprising a radiation source for emission of a radiation an objective lens, a signal evaluation means, a...
US20080192608 Velocity Control of Holographic Media  
A holographic storage device for reading media includes a first, holographic layer and a second, stamped layer having a plurality of land and grooved tracks. A sled is adapted to move radially...
US20090103416 LAYOUT METHOD FOR MULTIPLEXED HOLOGRAMS  
Methods are disclosed for determining the layout of cure sites/cure spots and/or stack positions on the recordable section of a holographic storage medium. Also disclosed are methods for carrying...
US20090147654 Sync mark correction for holographic data pages  
The presented invention relates to a method for reading data from a data page from an optical data storage medium, e.g. a holographic storage medium and to an apparatus for performing this method....
US20090097378 DATA TRANSMISSION OPTICAL DEVICE COMPRISING A SOURCE EMITTING A LASER BEAM  
The present invention relates to a data transmission optical device including a source emitting a laser beam for transmitting the data toward an optical sensor. The device has means for...
US20090207710 USE OF FEEDBACK ERROR AND/OR FEED-FORWARD SIGNALS TO ADJUST CONTROL AXES TO OPTIMAL RECOVERY POSITION OF HOLOGRAM IN HOLOGRAPHIC DATA STORAGE SYSTEM OR DEVICE  
A method for adjusting at least one alignment control axis of a holographic data storage system or device to or towards a sufficiently optimal recovery position for recovery of a hologram based on...
US20090003179 DIRECTORY HOLOGRAM FORMING AN ANCHOR LOCATION OF A PATTERN OF STORED HOLOGRAMS  
A method writes at least a group of holograms in a predetermined pattern in the holographic storage medium, and writes a directory hologram which relates to the holograms of the group to form an...
US20090141612 HOLOGRAM REPRODUCING APPARATUS AND HOLOGRAM REPRODUCING METHOD  
Almost all regions of a liquid crystal element 24 is used as a reproduction light transmission region. Through the reproduction light transmission region, a large volume of reproduction light 25a,...
US20060193233 Light control apparatus and drive method therefor  
A light control apparatus including a plurality of two-dimensionally arranged pixels, each of the plurality of pixels comprising a first storage element which stores a luminance value of a present...
US20090080317 DEVICES FOR STORING AND READING DATA ON A HOLOGRAPHIC STORAGE MEDIUM  
In one embodiment, the invention provides a device for storing data on a holographic storage medium, comprising means for generating an object beam encoded by spatial modulation with the data to...
US20090225641 INFORMATION RECORDING/REPRODUCING DEVICE AND HOLOGRAM RECORDING/REPRODUCING METHOD  
An information recording/reproducing device irradiates a signal light beam containing arbitrary two-dimensional information and a reference beam emitted from the same light source as the signal...
US20080101196 APPARATUS AND METHOD FOR RECORD AND/OR REPRODUCE HOLOGRAPHIC INFORMATION  
An apparatus and a method to record and/or reproduce holographic information includes a light source to generate a light beam, a first beam splitter to split the light beam generated by the light...
US20090067310 STORAGE MEDIUM, PREFERABLY FOR A CARRIER, AND READING DEVICE AND METHOD FOR READING THE STORAGE MEDIUM  
The invention relates to a storage medium, preferably a carrier. The aim of the invention is to make manipulation of data information of the storage medium or of non-authorized copies of the...
US20080239419 Hologram Reproduction Apparatus and Hologram Reproduction Method  
A hologram reproducing apparatus is provided that can be reduced in size. A hologram reproducing apparatus of the invention reproduces signal information from a recorded media having a domain of...
US20060002274 Hologram duplication method  
A hologram duplication method is disclosed which makes it easy to duplicate a large number of holograms from a volume-recorded hologram, particularly from a hologram recorded in a recording medium...
US20080130462 Optical Device, in Particular Holographic Device  
An optical device comprises a light source (301) for generating a radiation beam, a reflective diffractive structure (304) for reflecting and diffracting said radiation beam along an optical path...
US20100061213 OPTICAL HOLOGRAPHIC DEVICE AND METHOD WITH GAIN COMPENSATION  
The present invention relates to an optical holographic device and a corresponding method for reading out a data page recorded in a holographic recording medium (106). In order to improve the bit...
US20080025185 Hologram Reproducing Head  
A hologram reproducing head that reproduces information recorded as a hologram (11) on a recording medium (10) includes a light source (3) that emits a reference beam (21) for reproducing the...
US20060193232 Miniature guided wavelength multiplexed holographic storage system  
A holographic data storage system is disclosed. The data storage system includes a holographic data storage media adapted to receive a data beam and a reference beam and store a data pattern...
US20090141613 HOLOGRAM APPARATUS  
A light-shielding member having a pinhole filter is disposed at a boundary between reference light emitted from a light source and reproduction light output from a holographic recording medium....
US20090161519 OPTICAL INFORMATION RECORDING APPARATUS AND METHOD  
An optical information recording apparatus includes a light source that emits an irradiation beam; a spatial light modulator that converts the irradiation beam to an information beam, the...
US20090161516 METHACRYLATE-BOUND PHOTOISMERIZABLE CHROMOPHORE, METHODS FOR ITS SYNTHESIS AND OF ITS INTERMEDIATES  
The invention discloses novel dicyanostilbene derivatives bound to a methacrylic moiety that can serve as an active chromophore in a 3-dimensional optical memory, processes for its synthesis and...
US20090201782 HOLOGRAPHIC DISK WITH OPTICAL-NOTCH-FILTER LABEL  
A holographic disk, including: a holographic recording layer and a servo-tracking layer, the holographic recording layer separated from the servo-tracking layer by a dichroic mirror that prevents...
US20090003181 HOLOGRAM RECORDING MEDIUM, HOLOGRAM RECORDER/REPRODUCER, HOLOGRAM RECORDING METHOD, AND HOLOGRAM REPRODUCING METHOD  
A hologram recording medium (B) includes a recording region (Ba) where a condensation spot (sp) is formed upon being irradiated with an information beam (I) and a reference beam (R) under the...
US20090147653 Holographic content search engine for rapid information retrieval  
An apparatus for information retrieval comprising a first holographic drive, configured to content-search holographic recording media (HRM), and to generate an address, and at least one data...
US20070076562 Optical information recording method and optical information recording medium  
Provided is an optical information recording method and an optical information recording medium, which can achieve easy duplication in holographic recording. The optical information recording...

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