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US20130094340 DATA PROTECTION SYSTEM  
The present invention provides systems and methods for logically organizing data for storage and recovery on a data storage medium using a multi-level format. The present invention also provides...
US20090231980 OPTICAL DISC ASSEMBLIES FOR PERFORMING ASSAYS  
This invention relates to an optical disc assembly capable of receiving an insert upon which an analyte of interest may be disposed. The optical disc assembly can be read by an optical disc...
US20070147214 Methods for storing holographic data and articles having enhanced data storage lifetime derived therefrom  
A method of storing holographic data is provided. The method includes providing an optically transparent substrate comprising a photochemically active dye and a singlet-oxygen generator,...
US20070201338 OPTICAL DISC RECORDING APPARATUS, CONTROLLING METHOD OF THE SAME, AND OPTICAL DISC  
An optical disk recording apparatus and method utilize a recording beam source, a spatial light modulator that modulates a recording radiation beam into an information beam carrying information...
US20060262701 Information recording apparatus, information reproducing apparatus and information recording/reproducing apparatus, according to hologram method  
A holographic recording/reproducing apparatus controls a position and an area size of a signal light and/or a reference light in a holographic recording medium by a spatial light amplitude...
US20090154318 Device and method for microstructuring a storage medium and storage medium comprising a microstructured region  
A device providing for microstructuring a storage medium includes a radiation source for producing an at least partially coherent beam from electromagnetic radiation, a modulator-provided with a...
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)....
US20050237896 Hologram recording/reproducing device and hologram recording medium  
A holographic recording and reproducing apparatus comprises: a pickup for moving an objective lens that focuses a coherent light beam along a recording track on a holographic recording medium and...
US20050174917 Hologram type optical recording medium, manufacturing method and reproducing apparatus therefor  
An optical recording medium has a recording layer recording information as hologram by receiving a beam of light corresponding to the information. The recording layer includes a plurality of...
US20090086605 Hologram Recording and Recovering Device and Holographic Recording and Recovering Method  
An object of this invention is to achieve a hologram information recording and recovering device using an angle multiplexing method capable of reducing crosstalk from an adjacent hologram. When a...
US20060280096 Erasing holographic media  
The present invention relates to embodiments of a process for subjecting a holographic storage medium to illuminative treatment to: (1) enhance or optimize recording of holographic data; (2)...
US20060233088 Method and apparatus for creating a multi-dimensional data signal  
An optical disk drive (101) is disclosed which has essentially no seek time. The drive utilizes a Virtual Head (VH) (103) which is capable of accessing any and/or all tracks in an optical disc...
US20100157774 DATA STORAGE SYSTEMS AND METHODS  
A system for use with a data storage media having at least one groove proximate a surface thereof and a plurality of volumes therein, including: objective lensing; a first tracking error detector...
US20080037397 Methods And Apparatus For The Fixing Of Holographic Media In Holographic Data Storage Systems  
Holographic data storage systems are fixed after exposure during which data in the form of holograms are stored at locations in the medium (4). Sufficient fixing energy in the form of light or...
US20060215527 Holographic recording medium and recording and reproducing apparatus  
A holographic recording medium is a medium which records and reproduces data by irradiation with an information beam and a reference beam. This medium includes a user region for recording user...
US20100008204 MULTI-WAVELENGTH MICRO HOLOGRAPHIC DATA RECORDING/REPRODUCING APPARATUS  
A multi-wavelength micro holographic data recording and/or reproducing apparatus in which decentering of light beams having different wavelengths is compensated for, the apparatus including: at...
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...
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...
US20050002311 Hologram recording medium and method of hologram recording and reproduction  
A hologram recording medium has a transparent substrate having an incidence surface, on which a write beam and a reference beam are made incident, and a servo surface opposite to the incidence...
US20070285751 Optical information processing apparatus and optical information recording and reproducing methods  
An optical information processing apparatus includes: a light source; a reference beam guiding optical system guiding a reproducing reference beam emitted from the light source to an optical...
US20090175149 HOLOGRAPHIC INFORMATION RECORDING AND/OR REPRODUCING APPARATUS  
A holographic information recording and/or reproducing apparatus includes a light pickup optical system and a recording power control unit. The light pickup optical system illuminates reference...
US20060187794 Uses of wave guided miniature holographic system  
A holographic memory device for use in a personal electronic device is disclosed. The device contains a holographic data storage media adapted to store a data pattern associated with a data beam....
US20080316896 Optical Recording/Reproducing Apparatus, Optical Recording Method, and Optical Reproduction Method  
To provide an optical recording/reproducing apparatus, optical recording method and optical reproduction method, which can easily recognize whether or not the surface temperature of an optical...
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...
US20080094998 SYSTEM FOR GENERATING REFERENCE BEAM ANGLE CONTROL SIGNAL AND HOLOGRAPHIC INFORMATION RECORDING AND/OR REPRODUCING APPARATUS EMPLOYING THE SYSTEM  
A system for generating a reference beam angle control signal and a holographic information recording and/or reproducing apparatus including the system are provided. When record of a...
US20060176799 Optical information recording method and optical information recording and reproducing apparatus utilizing holography  
Onto a recording medium including a hologram recording layer, there is condensed information light generated based on information to be recorded and including zero-order diffracted light and...
US20090073850 OPTICAL DATA STORAGE DEVICE  
The present invention aims to provide an optical data storage device capable of not only recording digital information by using holography, but also recording or reproducing information onto or...
US20050147013 Two-dimensional light-receiving element, optical reproducing apparatus and optical recording and reproducing apparatus  
A marker for position detection is included in a spatially-modulated pattern of recording information, and an object light is generated and the recording information is recorded on a recording...
US20050286386 Dichroic coating for holographic data storage media  
The invention provides a dichroic coating for holographic media. The dichroic coating is substantially non-reflective of light at a first wavelength and substantially reflective of light at a...
US20100302927 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...
US20090290471 RECORDING AND REPRODUCING DEVICE, RECORDING AND REPRODUCING METHOD, RECORDING DEVICE, RECORDING METHOD, REPRODUCING DEVICE, AND REPRODUCING METHOD  
A recording and reproducing device performs recording and reproduction on a hologram recording medium on which data is recorded by the use of interference fringes formed by signal light and...
US20080239921 OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS, AND POSITION CONTROL METHOD  
An optical information recording medium includes a recording layer in which information can be recorded as a hologram by using a phenomenon of interference between an information light beam and a...
US20080123506 Optical information recording/reproducing apparatus  
An optical information recording/reproducing apparatus is for recording optical information on a recording medium by using volumetric recording and for reproducing volumetrically-recorded optical...
US20090080315 OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS AND METHOD OF OPTICALLY RECORDING AND REPRODUCING INFORMATION  
An optical recording and reproducing apparatus according to the present invention utilizes an angle multiplexing interfering method to record multiple pieces of recording data on an optical...
US20090052301 Optical system for detecting data signal and tracking error signal including polarizing optical element  
In an optical system, reflected light from the disk is diffracted by a hologram optical element, and received by an optical detector. A focusing error signal is detected from −1st-order diffracted...
US20070201339 OPTICAL DISC RECORDING APPARATUS, CONTROLLING METHOD OF THE SAME, AND OPTICAL DISC  
An optical disk recording apparatus and method utilize a recording beam source, a spatial light modulator that modulates a recording radiation beam into an information beam carrying information...
US20100322058 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...
US20070047420 Optical information recording medium, optical information recording method and optical information reproducing method  
The present invention provides an optical recording medium, which contains a substrate; and a recording layer disposed on the substrate, wherein the recording layer is subjected to recording of...
US20080291807 Hologram Record Carrier and Record Reproducing Method and System  
A hologram recording carrier is provided with a hologram recording layer that stores inside an optical interference pattern made by components of irradiated coherent reference light and signal...
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...
US20080273444 Holographic Record Carrier  
A holographic record carrier is capable of recording or reproducing information by irradiating light. The holographic record carrier is comprised of a holographic recording layer for storing an...
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...
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...
US20050195722 Reproducing apparatus, recording and reproducing apparatus and reproducing method  
Provided is a technique for reproducing information recorded on a holographic recording medium including a reflecting layer and a recording layer. When reproducing, a reproducing reference 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...
US20050180291 Recording and reproducing method  
A hologram recording method for forming a light interference pattern in a hologram recording medium to record information thereon. The method includes a step of interfering with a reference beam a...
US20050002310 Holographic data storage apparatus and servo control method thereof  
Disclosed is a servo control method in a disk type holographic data storage apparatus such as a CD-ROM or a DVD-ROM, which has free insertion and extraction characteristics, and the holographic...
US20110096653 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...
US20130033976 STRUCTURE AND METHOD FOR GENERATING AN OPTICAL IMAGE FROM AN ULTRASONIC HOLOGRAPHIC PATTERN  
An acoustic hologram imaging system constructed from a machined housing having folded optics. Various surfaces of the housing are machined to provide a precise alignment to the optical members to...
US20110075537 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...

Matches 1 - 50 out of 155 1 2 3 4 >