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8837267 Method for recording and reproducing a holographic read only recording medium, and holographic read only 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...
8830809 Optical information recording device  
An optical information recording/reproduction device includes a detection unit which detects a focus-direction height of a recording medium, a focus adjustment unit which adjusts a focus-direction...
8830810 Holographic optical pickup device, optical information recording and reproducing device, and method of recording and reproducing optical information  
A holographic optical pickup device includes an image sensor that detects a diffracted beam generated from the region to be reproduced when irradiating an optical information recording medium with...
8817585 Holographic memory reproduction device and holographic memory reproduction method, demodulation device and demodulation method, and observation device and observation method  
The present invention relates to a reproduction device of a holographic memory capable of precisely reproducing multi-value phase information without being influenced by noise. This holographic...
8804474 Optical information recording/reproducing apparatus  
An optical information recording/reproducing apparatus, to apply holograms of an angle multiplex recording method therein includes: a light source to emit a light beam; a divider unit to divide the...
8786399 Computer implemented method to display technical data for monitoring an industrial installation  
A computer implemented method to display an industrial installation, which display may also display information about an event or an alarm in the installation. The method includes displaying an...
8787136 Holographic memory apparatus and method for adjusting incident angle of reference beam  
A holographic memory apparatus includes an optical detector which receives reflected light of reference beam from the surface of a hologram recording medium. An incident angle of the reference beam...
8780425 Holographic storage system with improved beam overlap  
An apparatus and a method for reading from and/or writing to holographic storage media using a coaxial arrangement of an object beam and one or more reference beams or a coaxial arrangement of a...
8760988 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...
8737184 Holographic optical pickup device, optical information recording and reproducing device, and method of recording and reproducing optical information  
An optical pickup device includes a galvanometer mirror that changes an incident angle of a reference beam to an optical information recording medium, an image sensor that detects a diffracted beam...
8730775 Optical information reproducing device, optical information recording device, and method for recording optical information  
Multi-level recording is quite effective for attaining a larger capacity and a higher transfer rate in the case of an optical disk; however, with conventional technologies, a SIGNAL-TO-NOISE RATIO...
8730779 Test element having an optical data storage, device for reading the optical data storage of the test element and measuring system thereof  
A test element is disclosed for analyzing a human or animal body fluid sample. The test element includes a substrate carrying a test field with a reagent for effecting a detection reaction when...
8724441 Encoding device, encoding method, recording device, recording method, optical recording medium, decoding device and decoding method  
An encoding device for converting m-bit data words into n-bit (both n and m are integers and 2n≧2m×2) code words includes a first encoding table in which 2m code words selected from the 2n n-bit co...
8699310 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...
8699311 Optical information recording/reproducing apparatus, optical information reproducing apparatus, optical information recording/reproducing method and optical information reproducing method  
An optical-information reproducing apparatus for reproducing information from an optical-information storage medium where an interference pattern between a signal beam and a reference beam is...
8687470 Optical disk playback device with three-dimensional playback functionality  
An optical disk playback device comprises one or more lasers, an optical assembly, an optical detector, and controller circuitry coupled to the optical detector. The optical assembly is configured...
8659982 Optical information recording/reproducing apparatus and optical information reproducing apparatus  
In a system of detecting an interference light with a light not irradiated onto an optical disc to increase the S/N ratio, it is difficult to stably acquire a reproduced signal with a simple...
8644123 Hologram generating device and hologram printer  
The invention provides a hologram generating device and a hologram generating method that allows the generation of a hologram for reproducing an easily observable three-dimensional image without...
8634282 Apparatus and method for providing a tracking servo control when reproducing optical information  
An optical information reproducing apparatus and an optical information reproducing method using the same are provided. The optical information reproducing apparatus includes: a reference beam...
8630157 Data reproducing apparatus  
According to one embodiment, a data reproducing apparatus includes a data recording medium, light source unit, light application unit, photodetector unit and control unit. An address mark string...
8619533 Holographic data storage medium and an associated method thereof  
A method implemented using a data recording system is disclosed. The method includes receiving a micro-holographic data storage medium comprising a micro-hologram track having a first...
8614937 Optical information recording device and method  
In an optical information recording device and optical information recording method for angularly multiplexing and recording data on pages on the same recording region on a hologram disk, data on...
8605561 Method and system for re-writing with a holographic storage medium  
A method and device for re-writing data on a holographic storage device is disclosed. First and second electro-optic modulators may phase shift the reference and data beams used to store data on...
8605562 Apparatus and method for recording micro-hologram  
An apparatus and method for recording a micro-hologram are provided. The micro-hologram recording apparatus includes a first light source configured to emit a first light, the first light being...
8599661 Optical disk device, optical pickup, and optical recording medium  
The present invention can properly correct spherical aberration. An optical disk device (10) displaces an objective lens (18) so that the objective lens is displaced to a reference lens position as...
8593927 Method of reading optical information and method of recording optical information  
In a method of recording and reading optical information in a recording medium using holography, a first recording operation is performed for recording optical information in a first recording...
8593926 Information storage device, information recording medium, and information storage method  
An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position...
8588046 Information recording device and information reproducing device  
An information recording/reproducing device includes a radiation light source 1 such as a semiconductor laser, a spatial modulation element 6 that splits laser light 2 emitted from the radiation...
8576681 Optical information recording medium, optical information recording apparatus and optical information recording method  
An optical information recording medium includes a recording layer in which a track is formed, the track having recording marks linearly arranged thereon. Each recording mark has a dimension...
8565057 Multilayer optical recording medium  
An optical recording medium is provided. The optical recording medium includes a multilayer including an N (N≦5) number of interfaces capable of reflecting incident light.
8553515 System and method for precise servoing  
A method for servoing when reading out a recorded holographic disk or recording in a preformatted disk includes detecting a primary signal of a reflected primary beam from a target data track of a...
8542566 Holographic recording method detecting displacement of a holographic recording medium, and recording and reproduction apparatus  
A method for recording information in form of a hologram. The method can generate a displacement signal by detecting a displacement of a holographic recording medium. The method can perform an...
8537649 Optical retrieval system, data storage system, data storage medium and method of optical retrieval and data storage  
An optical data retrieval system configured to retrieve data from a data storage medium, including: a source of n path-entangled photons, where n is an integer of at least 2; a detector system...
8531933 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....
8526291 Optical information recording medium  
Optical information recording medium comprises: a plurality of recording layers 14, each of which undergoes a change in refractive index by irradiation with recording beam; and an intermediate...
8520485 Recording apparatus and servo control method  
A recording apparatus includes the following elements. A recording light source emits pulse laser light for recording. A first light source emits first CW laser light. An irradiation optical system...
8520483 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...
8520484 Optical information reproduction apparatus and optical information reproduction method  
In an optical information reproduction method for reproducing information using holography from a medium which records an interference pattern generated when overlapping a signal beam and a...
8514680 Recording device and spot position control method  
A recording device including a light irradiating and light receiving unit which, in regard to an optical recording medium, which has a reference surface and a recording layer which is formed at a...
8503273 Optical disc device and recording method  
An optical disc device and a recording method is provided in which information can be additionally recorded on an optical disc, which has a servo layer and recording layers separately formed, by...
8493830 Optical information reproducing apparatus  
Disclosed is an optical information reproducing apparatus that has a light path difference between two lights easily adjusted, has a high effect on the amplification of a signal, and detects an...
8488433 Modulated signal detecting apparatus and modulated signal detecting method  
When ld0 denotes an initial optical path length that is a length of an optical path, along which the signal light travels, as converted using a refractive index in vacuum, lm0 denotes an initial...
8488430 Recording medium and reproducing apparatus  
A recording medium includes a photosensitive layer, a nonphotosensitive layer, and a recording layer formation region in which the photosensitive layer and the nonphotosensitive layer are...
8488426 Disc device  
Provided is an optical disc drive device which stably controls an actuator of an optical pickup, by individually controlling an optical spot when following the guide track and an optical spot when...
8472298 Optical information recording and reproducing apparatus and optical information recording method  
An optical information recording and reproducing apparatus includes an irradiation unit of a signal light beam and a reference light beam required for data recording, and a cure irradiation unit...
8456514 3D display device with controllable device for tracking visibility regions  
A 3D display device with controllable device for tracking visibility regions is disclosed, and includes a controllable device for tracking a visibility region, generated by way of superposition of...
8446808 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...
8437236 Optical information recording/reproducing apparatus and method  
An optical information recording/reproducing apparatus includes a spatial light modulator that converts an irradiation beam emitted from a light source to a single information beam that carries...
8432591 Light irradiation device for recording information in a hologram recording medium  
A light irradiation device includes: a focus servo control unit including a light source, a spatial light modulating unit, and a light irradiating unit, for focus servo control so that the ideal...
8427912 System and method for tracking in single-bit holographic data storage  
A system and method for controlling tracking in a holographic data storage system, including: impinging a beam on a holographic data disc, wherein the beam is reflected from a micro-hologram...