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8184514 Signal quality evaluating apparatus and method, and information recording medium  
A signal quality evaluating method necessary for a signal quality evaluation index and a margin design is provided for an apparatus utilizing hologram recording techniques. An evaluation index is...
8179767 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...
8179579 HROM replication methods, devices or systems, articles used in same and articles generated by same  
HROM replication methods, devices or systems are disclosed herein. Also disclosed herein are articles comprising conical reference (reconstruction) beam hologram elements to generate conical or...
8174951 Optical information recording method and apparatus  
In a recording apparatus capable of performing a curing process at high speed by curing a plurality of books at a time during recording and capable of performing recording of a recordable type,...
8169876 Optical information recording method, optical information reproducing method, optical information recording apparatus and optical information reproducing apparatus  
An optical information recording method of recording information three-dimensionally by irradiating a laser light beam onto a medium having a servo information plane on which address information...
8165005 Optical recording method and optical recording apparatus  
Disclosed is an optical recording method. The optical recording method includes irradiating an area where a recording mark is formed in a medium with a pulse train of laser light, and irradiating...
8159923 Optical information recording apparatus, optical information recording method, optical information reproducing apparatus and optical information reproducing method  
An optical information recording/reproducing apparatus and an optical information recording/reproducing method that record information using holography, wherein the optical information...
8154975 Servoing system for multiple spot registration for holographic replication system  
The present techniques provide methods and systems for controlling the recording of micro-holograms using multiple counter-propagating light beams over multiple data tracks of a holographic disk....
8154974 Holographic data storing method and storing device  
A holographic data storing method includes the steps of: encoding original data to generate holographic data according to a codeword to symbol relation; and recording a hologram corresponding to...
8149676 Apparatus and method for recording/reproducing holographic data and holographic data storage medium  
A method and apparatus for recording and/or reproducing holographic data and a holographic information storage medium, wherein the apparatus for recording and/or reproducing holographic information...
8144557 Optical information recording/reproducing apparatus and disk distinction method  
An optical information recording/reproducing apparatus includes an optical source unit that emits an optical beam toward an optical information recording medium mounted on the apparatus, an optical...
8141782 Dual-use media card connector for backwards compatible holographic media card  
A card connector which can interchangeably couple a holographic memory card or an electronic memory card to a card reader and/or writer which can then read and/or write to the coupled holographic...
8139462 System and method for precise recording  
A method for calculation of recording depth in a holographic disk is disclosed. The method includes applying a first external voltage to one or more actuators coupled to an objective lens to focus...
8139461 Record medium, optical disk unit using it, and recording method  
A plate body 2, multiple hologram layers 3 are provided in the thickness direction of the plate body 2, and at least one of the multiple hologram layers 3 is formed of spirally continuous hologram...
8134771 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...
8134906 Apparatus and method to optimize the performance of a holographic data storage system  
A method is disclosed to optimize the performance of a holographic data storage system, where that holographic data storage system comprises a plurality of calibratable components, and where each...
8134905 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 direction...
8134113 Dynamically configurable photodetector arrays  
In accordance with an embodiment, a circuit includes a photodetector (PD) array including a plurality of electrically isolated PD sections. Additionally, the circuit includes a switching matrix...
8130606 Method and apparatus for encoding/decoding data, and method and apparatus for recording/reproducing data  
A method and apparatus for stably encoding/decoding data, and a method and apparatus for recording/reproducing data are disclosed. The method inserts decoding information into a data section...
8130620 Hologram recording/reproducing device, method thereof, and holographic recording medium  
A hologram recording/reproducing device includes an optical section which irradiates a holographic recording medium with an optical beam; and a control unit which controls the optical section. The...
8125872 Recording medium and recording system  
Disclosed herein is a recording medium on or from which the recording or reproduction of data is stably performed. On the recording medium, data are recorded three-dimensionally by the irradiation...
8120827 Holographic storage system for reading a hologram stored on a holographic storage medium and a method carried out therewith  
A holographic storage system for reading a hologram stored on a holographic storage medium. The system comprises: storage medium holding means; a spatial light modulator (SLM) for encoding a...
8120829 System and method for real time holographic data recording and readout  
A method for holographic data recording and simultaneous data readout without requiring additional optical power for readout illumination is provided. The method comprises reflecting a transmitted...
8121010 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...
8120826 Optical information recorder (reflection holographic memory device)  
A holographic memory device is described which records and reproduces binary image data by irradiating a holographic recording medium with signal light and reference light. The holographic memory...
8121009 Apparatus and method for recording data on holographic storage medium  
An apparatus and method to record data on a holographic storage medium, the apparatus including: a light processing unit to record the data on the holographic storage medium using a reference beam...
8116185 Holographic storage medium with integrated phase mask  
A holographic storage medium is proposed, and more specifically a holographic storage medium with an integrated phase mask layer. The holographic storage medium has a phase mask layer on top of a...
8116186 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...
8107145 Reproducing device and reproducing method  
A reproducing device for performing reproduction regarding a hologram recording medium where a hologram page is recorded in accordance with signal light, by interference between the signal light...
8107344 Phase masks for use in holographic data storage  
A spatial light modulator (SLM) having a phase mask that is provided as an internal component thereof. The phase mask can be provided as a multilevel surface of relatively higher index of...
8102747 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...
8098560 Light spot position control apparatus and light spot position control method  
Provided is a light-spot-position control apparatus including: a first-light-source; a second-light-source; a beam-splitter splitting a beam of the second-light-source into m beams; an...
8098559 Information recording/reproducing apparatus, apparatus for manufacturing optical information recording medium, and optical information recording medium  
An optical information recording/reproducing apparatus equipped with a mechanism for moving an optical pickup to an arbitrary radial position of an optical information recording medium using...
8094538 Data recording method in holography optical memory system  
According to an aspect of the present invention, a data recording method in a holography optical memory system, for recording a two-dimensional pixel data page in a recording medium can be...
8089846 Method and system for modulation coding and synchronization  
The present techniques provide systems and methods for modulation coding of data on optical disks, such as holographic data disks, and techniques for reading that data back from the disks. The...
8089847 Recording and reproducing apparatus  
The recording and reproducing apparatus has rotary drive unit (a motor) that rotationally drives a multilayer recordable recording medium 1; a reference-light-side recording and reproducing lens 6...
8085642 Servo controlling apparatus and method of holographic information recording/reproducing system  
A servo controlling apparatus of a holographic information recording/reproducing system changes the foci of reference light and signal light in a depth direction of a holographic information...
8084168 Holographic storage devices with complementary data layer and use thereof  
A data storage device including: a plastic substrate having a plurality of data volumes arranged along tracks in a plurality of stacked layers; a plurality of micro-holograms each contained in a...
8085643 Optical information reproducing apparatus, optical information recording and reproducing apparatus  
In holographic recording by the angle multiplexing method, in order to allow a signal beam and a reference beam to sufficiently overlap with each other in a storage medium to decrease as much as...
8081552 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...
8077563 Beam applying method, optical recording medium, and recording and reproducing apparatus  
In a beam applying method, recording and reproducing operations are performed on an optical recording medium, in which a signal is recorded and reproduced by applying a beam thereto and which has a...
8077579 Holographic recording medium and pickup for this medium  
A holographic recording medium with an improved servo structure is presented. The holographic recording medium has a hologram layer for storing holograms and a servo layer for positioning a light...
8077580 Optical information recording and reproducing apparatus  
An optical information recording and reproducing apparatus includes an optical pickup, a phase conjugate optical system, a disc cure optical system, and a defect discrimination optical system; and...
8072866 Marker selection method for hologram recording device  
A marker selection method includes: a marker generation step for generating a marker defining a position reference when recording data according to the modulation rule of the hologram...
8064313 Optical disk, recording/reproducing method thereof, and optical disk apparatus with employment of optical disk  
Then, in order to achieve the above-described object, in the optical disk of the present invention, while micro-hologram layers 7 and 8 made of plural layers are provided in an inner portion of a...
8064719 Method and apparatus to correct digital image blur due to motion of subject or imaging device  
Signal processing techniques are applied to digital image data to remove the distortion caused by motion of the camera, or the movement of the subject being photographed, or defective optics, or...
8064720 Method and apparatus to correct digital image blur due to motion of subject or imaging device  
Signal processing techniques are applied to digital image data to remove the distortion caused by motion of the camera, or the movement of the subject being photographed, or defective optics, or...
8059508 Holographic information storage medium, and apparatus and method for inspecting defect thereof  
A defect entry, including position information of a defective block of a reference information layer and state information indicating the defective state of blocks of the other information layers...
8059516 Method and apparatus for recording/reproducing holographic information  
Provided are a method and apparatus for recording/reproducing holographic information. The apparatus for recording/reproducing holographic information includes an optical pickup which irradiates...
8054730 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...