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7333252 Method of writing a composite 1-step hologram  
A method of writing a single or double parallax composite 1-step hologram is disclosed. Digital data is acquired from a real or virtual object and is described by a luminous intensity tensor. A...
7333251 Holographic data recording apparatus and method  
A holographic data recording apparatus includes: a signal beam patterning unit for irradiating a signal beam onto a holographic medium, the signal beam including a data pattern to be recorded; a...
7324249 Recording and reproducing apparatus having fixed distortion correcting function  
A recording and reproducing apparatus includes a reproduction signal detection unit reproducing a two-dimensional pattern previously recorded on a holographic recording medium or user data recorded...
7324248 Holographic printer  
A method and apparatus for producing holograms may use a computer generated 3-D model or data generated using multiple 2-D camera images taken of a real 3-D object or scene. The data is digitally...
7319550 Method and apparatus for recording hologram, method and apparatus for reproducing hologram, and information retaining body  
While Fourier transformation of a signal light beam is performed to perform recording during holographic recording so that a focal point is formed outside a holographic recording layer (defocus...
7312908 3D image display and 3D image display method  
A small, inexpensive three-dimensional image display having a structure for displaying a color three-dimensional image sharply even if a low-resolution spatial optical modulating element is used....
7310173 Hologram recording method, hologram recording reproduction method, hologram recording device, hologram recording/reproduction device and hologram reproduction device  
In the hologram recording and hologram-record reproduction using a one-dimensional optical modulator, the one-dimensional optical modulator where a plurality of light-modulating pixels are arranged...
7307768 Hologram recording method and hologram recording apparatus  
A hologram is recorded by irradiating, with a reference light beam, a region corresponding to an intensity distribution of a signal light beam on an optical recording medium. For example, the...
7301683 Hologram and holographic viewing device incorporating it  
The invention relates to a hologram that enables two or more different images to be simultaneously reconstructed even in a state where the hologram is fixed in terms of relative position with...
7277209 Computer-assisted holographic method and device  
The method consists of computing (E 1 -E 4 ) a set of two-dimensional images in a three-dimensional geometrical space representing a virtual object from respective different viewpoints. The virtual...
7274497 Holographic recording medium, method for adding address information to same, and method of addressing  
Provided are a holographic recording medium, a method for adding address information to the holographic recording medium, and a method for addressing that can identify two-dimensional information...
7274432 Radiation system, lithographic apparatus, device manufacturing method, and device manufactured thereby  
A radiation system for multiplexing radiation includes two radiation sub-sources. The sub-sources each provide a certain amount of radiation. The system further includes a member with reflecting...
7262891 Holographic printer  
A single method and apparatus for producing many of the most common types of hologram from digital data is disclosed. In one embodiment the data are generated entirely by a computer as a 3-D...
7253934 Holographic recording apparatus and method for recording holograms  
A hologram recording apparatus for carrying out holographic recording by emitting a signal beam and a reference beam onto a holographic recording medium includes a laser light source configured to...
7251066 Holographic memory using beam steering  
A method, apparatus, and system provide the ability for storing holograms at high speed. A single laser diode emits a collimated laser beam to both write to and read from a photorefractice crystal....
7248389 Holographic recording and reconstructing apparatus and holographic recording and reconstructing method  
A holographic recording and reconstructing apparatus includes a laser light source for emitting a laser beam, a beam splitting element for splitting the emitted laser beam into a signal beam and a...
7244532 Holographic recording medium  
A holographic recording medium includes a holographic recording carrier including a first light transmittable substrate, a second light transmittable substrate and a holographic recording layer...
7227674 Active digital hologram display  
Certain types of holographic recording materials can be used to updateably record holographic stereograms formed when fringe patterns are generated through interference of an object laser beam...
7215451 Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms  
A method of fabricating a hologram having a pattern made up of pixels in which a photosensitive material for forming a hologram is stacked on either a reflection-type hologram or a transmission...
7212323 Methods and apparatus for mass manufacturing two-dimensional binary information on transparent substrates using phase contrast modulated templates  
Methods and apparatus for making, encoding, and encrypting binary patterns for storing recorded information. One of the methods includes the steps of providing an original image, fragmenting the...
7206108 Method for recording and reproducing holographic data and holographic recording medium  
A holographic recording and reproducing method for recording holographic data in and reproducing holographic data from a holographic recording medium including a recording layer in which data are...
7202984 Double faced double storage capacity medium  
A first holographic data storage device has a first set of holograms stored thereon. A second holographic data storage device has a second set of holograms stored thereon. An opaque layer is...
7170661 Hologram recording medium and recording and reproducing system  
A hologram recording medium is a hologram recording medium which is irradiated with light for recording information therein or reproducing information therefrom. The hologram recording medium has a...
7167286 Polytopic multiplex holography  
Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can...
7161722 Holographic printer  
A holographic printer is disclosed which produces an intermediate hologram H3 and uses the intermediate hologram H3 to produce a white light viewable hologram H2.
7154645 Holographic recording method and apparatus  
A holographic recording method and a holographic recording apparatus capable of selectively rewriting or erasing only desired data without degrading data other than the desired data are provided....
7151623 Holographic data-storage medium  
In an example holographic data storage medium, which has a polymer film which serves as a storage layer and can be changed locally by heating, the polymer film is set up as a top layer of the data...
7149014 Holographic memory using beam steering  
A method, apparatus, and system provide the ability for storing holograms at high speed. A single laser diode emits a collimated laser beam to both write to and read from a photorefractice crystal....
7149013 Optical element and method for the production thereof  
A method for producing an optical element, preferably a security feature, wherein a film having a first embossed hologram in an embossing layer is provided, and a second embossed hologram is...
7139109 Transmission type laminated hologram optical element and image display device comprising this optical element  
The present invention is directed to a transmission type laminated hologram optical element constituting an image display apparatus, wherein plural transmission type hologram optical elements ( 13...
7136207 Holographic display system  
A holographic display system for a vehicle includes a projection unit ( 2 ), a holographic beam combiner ( 3 ), and a viewing mirror ( 4, 4 ′). The projection unit includes a light source for the...
7133171 Double facing double storage capacity  
A first holographic data storage device has a first set of holograms stored thereon. A second holographic data storage device has a second set of holograms stored thereon. An opaque layer is...
7129007 Recording medium for hologram, hologram recording apparatus and hologram recording method  
A recording medium ( 1 ) for hologram comprises a hologram recording layer ( 3 ) comprised of photo-polymer layer is formed on a base ( 2 ) comprised of colorless and transparent resin film, etc....
7126729 Double hologram  
The invention relates to a method of providing an article with identifying information, in which a hologram is provided from which at least first and second hologram patterns separated physically...
7123392 Computer-generated hologram fabrication process, and hologram-recorded medium  
The invention relates to a computer-generated hologram fabrication process that can reduce loads on computation of interference fringes for an original image including micro-characters. A visually...
7099058 Hologram preparing method  
In the method for producing holograms, a plurality of images displayed on a spatial optical modulating element 6 is used as the object light. Through a lens array 7 composed of a plurality of...
7092133 Polytopic multiplex holography  
Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can...
7061656 Hologram duplicating device and method  
A hologram duplicating apparatus ( 10 ) includes a first optical system ( 30 ) for carrying out exposure recording of holographic stereogram image on a recording medium for hologram to produce an...
7046406 Hologram plate and its fabrication process  
The invention provides a hologram plate which is used with the double-focus replication process, and which is integrated with a spacer to impart marring resistance thereto, and is integrated with a...
7046405 Computer-generated hologram fabrication process, and hologram-recorded medium  
A computer-generated hologram fabrication process which reduces loads on computation of interference fringes for an original image including micro-characters. A visually perceivable original image...
7042605 Holographic printer  
The present invention provides a single method and apparatus for producing many of the most common types of hologram from digital data is disclosed. The data are generated entirely by a computer as...
7035006 Screen for image display apparatus, method for manufacturing screen for image display apparatus, and image display apparatus  
A screen for image display apparatus according to the present invention has a base member, a light absorption layer formed on the base member and adapted for absorbing light of a visible light...
7031038 Hologram apparatus capable of detecting and correcting distortion of hologram image  
A hologram apparatus includes a light beam interfering section for allowing reference and signal light beams to interfere to form a hologram recording region; a reproducing section for allowing the...
7009742 Holographic printer  
The present invention provides a single method and apparatus for producing many of the most common types of hologram from digital data is disclosed. The data are generated entirely by a computer as...
7009700 Method and device for obtaining a sample with three-dimensional microscopy  
A method and device for obtaining a sample with three-dimensional microscopy, in particular a thick biological sample and the fluorescence field emitted by the sample. One embodiment includes...
6999214 Apparatus and method for detecting holographic data reproduced from a holographic media  
In an apparatus for detecting holographic data reproduced from a holographic medium, the holographic medium has an interference pattern and the holographic data is reproduced when a first portion...
6994938 Exposure method for producing a hologram mask  
Methods for producing a hologram mask approximating the exposure produced by a non-holographic phase shifting photo mask are disclosed. One such method exposes a hologram recording material to a...
6987591 Volume hologram  
A volume hologram for modifying a characteristic of an input microwave beam and a method for manufacturing thereof are disclosed. The hologram is fabricated from a multi-layer artificial dielectric...
6982817 Method, device and laser system for producing screen holograms, and screen hologram  
In a method of producing video screen holograms, a real video screen is illuminated by means of a narrowband light for producing a hologram of the real video screen. A plurality of individual...
6940653 Radiation conditioning system  
A holographic imaging system and method includes a radiation source for generating radiation. A data base has a set of elements, each element is indicative of a trajectory of a light ray exiting a...
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