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8998420 Optical element, light source device, and projection-type display device  
A hologram layer (13) is irradiated by light from an optical element (10). The hologram layer (13) is provided with a first hologram (14) that diffracts in a predetermined direction, from among...
8982437 Hologram recording film and method of manufacturing same, and image display apparatus  
A hologram recording film manufacturing method includes the steps of obtaining a laminated structure by alternately laminating M (where M≧2) photosensitive material precursor layers including a...
8964517 Optical apparatus  
An optical system capable of obtaining a high-resolution image using interference and thus capable of providing a stable signal is realized. A particular polarization state of response light...
8956786 Volume hologram medium  
The invention is concerned with a volume hologram medium obtained by multiple recording of holograms, which is improved in terms of just only security for forgery prevention but also aesthetics. A...
8953235 Method for producing a security mark on an optical data carrier  
A device for producing a security mark on an optical data carrier includes directing means for directing a first and a second light beam onto a hologram area of the optical data carrier, wherein...
8947495 Telepresence apparatus for immersion of a human image in a physical environment  
A telepresence device allows a remote meeting participant to establish a telepresence at a remote meeting location. The telepresence device provides a video image of the remote meeting participant...
8824033 Color photographic hologram system  
A color photographic hologram system is provided. The reference light wave is incident to the film at a fixed reference beam angle. By adjusting an included angle between the object light wave...
8817349 Photographic hologram system  
A photographic hologram system is provided. The use of an image slicing process and/or the arrangement of half-cylindrical lens in the optical path of an optical light wave and upstream of the...
8804221 Stacking a visible image and a synthetic hologram  
A synthetic hologram of a first image consists of an array of coding cells each comprising light and dark portions. A second visible image is superposed to the synthetic hologram, where the light...
8743443 Hologram fabrication process, and hologram fabricated by that process  
The invention provides a hologram fabrication process, characterized by comprising steps of fabricating a computer-generated hologram (CGH) having amplitude information and phase information...
8715887 Complex holograms, method of making and using complex holograms  
A method of making a hologram includes recording a first hologram in a holographic recording medium at a first deformation ratio; changing the first deformation ratio to a second deformation ratio...
8703363 Reflection hologram storage method  
A method is described for recording a volume reflection holographic image that is viewable when illuminated by light at a wavelength Wv. The method includes providing a transparent holographic...
8666195 Image alignment  
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for graphical overlay object translation. One of the methods includes receiving a first plurality...
8625181 Holographic security device having diffractive image generating structures  
A holographic security device including at least first and second diffractive image generating structures recorded in respective sets of substantially non-overlapping regions of a record medium,...
8559777 Optical device and optical modulation apparatus  
Provided is an optical modulator that modulates input light with a high frequency and low half-wave voltage. An optical device comprises a substrate; a dielectric film that is formed on the...
8497052 Method for determining recording exposure for holographic recording medium and method for recording thereon  
An optimal recording exposure is determined by varying in the first to nth stages the recording exposure with a write laser beam to record a bright pattern image and a dark pattern image in each...
8421849 Lighting apparatus  
A lighting control device includes: an irradiation light generation unit that receives an irradiation light signal; coating correcting means for correcting the irradiation light signal so that an...
8368743 Interface and circuit arrangement, in particular for holographic encoding units or holographic reproduction devices  
The invention relates to an interface and circuit arrangement, in particular for transmitting digital image data to at least one holographic encoding unit (HEU), which generates complex hologram...
8363323 Optically variable security device and method  
A security device comprising at least first and second superposed optically variable effect generating structures (3-5, 31-51), each having a surface relief microstructure, the second optically...
8358454 Holographic display having improved reconstruction quality  
Disclosed is a display for the holographic reconstruction of a three-dimensional scene using means which allow a reduction of speckle patterns. Speckle patterns result in the graining of a...
8339443 Three-dimensional image display method and apparatus  
A three-dimensional image display method, includes: displaying a three-dimensional image including a left eye image signal and a right eye image signal displayed at a display focus angle;...
8254003 Hologram recording medium, hologram recording apparatus and method, and computer program  
A hologram recording apparatus (300) is provided with: a recording device (100) for recording record information into a hologram recording medium (1); a measuring device (325) for measuring a time...
8247139 Volume holographic data recording media  
There is provided volume holographic data recording media having a recording layer which is capable of recording interference fringes generated by interference of light having excellent coherence...
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...
8169676 Holographic storage system with multiple reference beams  
An apparatus for reading from and/or writing to holographic storage media is described, and more specifically an apparatus for reading from and/or writing to holographic storage media with two or...
8135219 Method of detecting and compensating fail pixel in hologram optical storage system  
A method of detecting and compensating fail pixels in a holographic storage system. The method includes steps of: providing a plurality of image frames to show on a data plane for all pixels on...
8094185 Three-dimensional image display method and apparatus  
A three-dimensional image display method, includes: displaying a three-dimensional image including a left eye image signal and a right eye image signal displayed at a display focus angle;...
8054519 Wavelength-multiplex and space-multiplex holographic storage device  
The present invention discloses a wavelength-multiplex and space-multiplex holographic storage device, which comprises a storage medium, a plurality of signal light beams and at least one...
8049942 Multiplexed holographic recording apparatus and method and holographic reproduction apparatus and method  
A multiplexed holographic recording apparatus records multiplexed holograms in a plurality of recording regions that are formed on a holographic recording medium. In particular, the apparatus...
7995257 Holographic storage medium, recording and/or reproducing apparatus, and recording and/or reproducing method  
A holographic storage medium includes a hologram including data recorded in a plurality of pages in a superimposed fashion by interference of a signal beam and a reference beam, and an additional...
7936491 Hologram recording medium, hologram recording apparatus and method, and computer program  
A hologram recording apparatus (300) is provided with: a recording device (100) for recording record information into a hologram recording medium (1); a measuring device (325) for measuring a time...
7920311 Holographic storage medium and method and apparatus for recording and/or reproducing data to and/or from a holographic storage medium  
A method and apparatus for recording and/or reproducing data to and/or from a holographic storage medium and a holographic storage medium therefor are provided. The method of reproducing data from...
7869106 Holographic recording method, holographic recording apparatus, holographic recording and reproducing method, holographic recording and reproducing apparatus, and holographic recording medium  
A holographic recording method, a holographic recording apparatus, a holographic recording and reproducing method, a holographic recording and reproducing apparatus, and a holographic recording...
7822304 Laser beam multiplexer  
A laser beam multiplexer capable of easily multiplexing a plurality of laser beams is provided. A laser beam multiplexer includes a multiplexing element having a hollow portion with a sectional...
7813017 Method and system for increasing holographic data storage capacity using irradiance-tailoring element  
A method and system is disclosed for increasing the holographic storage capacity of a holographic recording medium using an irradiance-tailoring (e.g., optical) element by changing the irradiance...
7808687 Hologram reconstructing apparatus and hologram reconstructing method  
A hologram reconstructing apparatus is disclosed. The apparatus includes: unnecessary light removing means for causing the imaging means to receive necessary light only included in the...
7804633 Hologram recording film with additional information and recording method therefor  
A hologram recording film has an image of a three-dimensional object, e.g. a three-dimensional model, recorded in a volume hologram photosensitive material and further has a hologram image of a...
7800802 Hologram recording medium and method for manufacturing same  
A hologram recording medium including a substrate, a hologram recording layer that records an interference pattern formed by a first wavelength beam, a wavelength selecting reflection layer...
7791779 Hologram recording apparatus, hologram recording medium and hologram recording method  
A hologram recording apparatus that records a hologram on a recording layer of a hologram recording medium by causing interference between signal light modulated in accordance with record data and...
7787165 High density, high bandwidth multilevel holographic memory  
A holographic memory system and apparatus, and a method provide the ability to store multibit holograms in a photorefractive crystal. A single laser diode is configured to emit a collimated laser...
7760408 Hologram recording device and hologram recording method  
A hologram recording device for irradiating a recording beam (S) to a hologram recording medium (B) at a fixed incident angle (θs) and irradiating a reference beam (R) to an illuminated region (p)...
7715074 Holographic recording device  
A holographic recorder can vary the optical distance between an object lens and a relay lens near the object lens. This arrangement allows defocus-multiplexing utilizing state variations in the...
7715073 Hologram recorder  
A hologram recorder is provided, in which coherent light from a light source is split into a signal beam and a reference beam, and the signal beam is modulated by a spatial light modulator to be...
7710622 Color hologram display and its fabrication process  
The invention relates to a color hologram display an image of a three-dimensional object and a hologram image of a pattern of plane characters, images or the like are recorded in the same volume...
7697191 Generation of a desired three-dimensional electromagnetic field  
The present invention relates to a method and a system for synthesizing a prescribed three-dimensional electromagnetic field based on generalized phase contrast imaging. Such a method and...
7656564 Apparatus and method for compensating for pixel distortion in reproduction of hologram data  
An apparatus for compensating for pixel distortion while reproducing hologram data includes an extraction unit, a determination and calculation unit, a table, and a compensation unit. The...
7636185 Hologram recording device and hologram recording method  
A hologram recorder records a hologram in a hologram recording medium by interference of a recording beam irradiated at a predetermined incident angle to the medium via a spatial light modulator...
7633660 Hologram recording apparatus and method  
A hologram recording apparatus includes a laser light source for emitting laser light, a light splitter for splitting the laser light emitted from the laser light source into a signal beam and a...
7595923 Optical head and multiplexing methods for reflection type holographic storage using spatial filtering  
The invention describes a collinear optical head for a reflection-type holographic recording medium, which is capable of obtaining an increased capacity. The optical head presented here allows for...
7589876 Holographic memory reproduction method and apparatus  
A method and apparatus for performing reproduction position servo-control without reducing the recording capacity of a holographic recording medium. Upon the reproduction of a holographic...

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