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7453611 Replication of data to holographic medium using holographic master media  
An apparatus for replicating holographically recorded data, comprising a holographic master media having holographically recorded data thereon; a holographic copy media; a light source for...
7423792 Holographic printer  
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 a 3-D (animated) model or from...
7362483 Postprocessing apparatus and postprocessing method  
A postprocessing apparatus for conducting postprocessing on an image forming member, including a receiving unit for receiving an image forming member having an image formed thereon, and an...
7339711 Angle-multiplexing hologram recording device, method, hologram reproduction device, and method  
A hologram recording apparatus ( 100 ) includes a record angle change device ( 19 ) capable of relatively changing the record angle of a hologram recording medium ( 200 ) relative to signal light...
7333253 Multiplex recording type hologram recording device, method, hologram reproduction device, and method  
A hologram record apparatus ( 100 ) includes a parameter set device ( 19 ), a move device ( 20 ), and a control device ( 18 ). The parameter set device ( 19 ) modifies parameters for multiple...
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...
7258957 Method for aligning exposure mask and method for manufacturing thin film device substrate  
A method for aligning an exposure mask, comprises: using a plurality of hologram masks, on which alignment marks are formed,; aligning position of the hologram masks toward an object, which is...
7255968 Alignment method of exposure mask and manufacturing method of thin film element substrate  
A method for aligning an exposure mask comprises: using a plurality of hologram masks, on which an alignment mark is formed; aligning position of the hologram masks toward an object to be exposed...
7245406 Method for forming fine concavo-convex patterns, method for producing optical diffraction structure, and method for copying optical diffraction structure  
A method for forming fine concavo-convex patterns by using a relief formation material 3 having a relief formation layer 2 composed of a resin having thermoplasticity and a relief pattern sheet...
7230747 Hologram retention method  
Information recorded as a hologram in a predetermined position of an optical recording medium is reproduced, and subsequently the reproduced information is re-recorded and retained in the same...
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...
7187481 System and method for providing gain and thresholding to a holographic data parallel recording and replication system incorporating independent angular address assignment  
System and method for providing gain and thresholding to a holographic data parallel recording and replication system incorporating independent angular address assignment. A plurality of...
7161723 Scheme capable of providing gain and thresholding to the parallel recording and replication of holographic media  
A system and method capable of providing high data rate data copying and recording in holographic data storage while maintaining the copied data's signal-to-noise ratio. This is achieved by using...
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.
7123393 Method and apparatus for holographic recording and retrieval  
A wavelength multiplexed holographic system includes a wavelength tunable blue-violet laser and a controller for wavelength multiplexing. A method of holographic data recording includes providing a...
7099057 In-line holographic mask for micromachining  
A method of fabricating a holographic mask includes the steps of providing an illumination source and a non-opaque object mask. The source is for generating a coherent illumination beam directed...
7092134 Method and apparatus for recording a hologram from a mask pattern by the use of total internal reflection holography and hologram manufactured by the method  
The present invention relates to a method and an apparatus for forming a hologram from a mask. According to the invention a photoresist is used as the holographic recording medium and the planes of...
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...
6998196 Diffractive optical element and method of manufacture  
A diffractive optical element such as a diffuser, diffraction grating, and/or hologram, can be manufactured by using a surface relief pattern on a surface of a surface relief tool. A layer of...
6903851 Method for producing light scattering elements  
The present invention relates to a method for producing light-scattering elements by holographic illumination of a layer ( 10 ) of a photo-sensitive material on a support plate ( 1 ) and subsequent...
6836348 Image display device and holographic screen  
An image display device comprising a holographic screen and an image projection device for projecting an image beam onto the holographic screen at an upward or downward angle is provided, wherein a...
6824929 Method and element for holographic replication  
A method is disclosed for replicating (copying) a master hologram into a photosensitive layer to produce a copy of the hologram in a manner such that the copy of the hologram is an accurate and...
6809846 Optical switch and optical network  
Disclosed is an optical switch for transmitting or shutting down an input light signal in accordance with a set switching state. The optical switch comprises first and second optical amplifiers...
6762810 Liquid crystal display device using a hologram, hologram scatter plate, and process of replicating a diffuse reflection type hologram  
The invention relates to a liquid crystal display device which enables a visual field range to be made wide and luminance drops to be reduced, so that bright displayed images can be presented, and...
6753989 Recording surface relief microstructure  
A method of recording a surface relief microstructure in a record medium includes: i) causing a coherent reconstruction or replay beam to impinge on a holographic optical element assembly, the...
6730442 System and method for replicating volume holograms  
The present invention offers increased efficiency and quality in the duplication of a master hologram utilizing an improved method of contact printing. This improved method of contact printing...
6728014 Hologram recording film with additional information and recording method therefor  
A hologram recording film has a hologram image of an object recorded in a volume hologram photosensitive material by holographic duplication and further has a hologram image of an additional...
6657756 Method and apparatus for increasing the effective efficiency of holograms  
A method is disclosed for reconstructing an image from a total internal reflection hologram that includes the steps of arranging the hologram in relation to the first face of a coupling body,...
6646771 Method for producing holographic optical element comprising primary and complementary holograms and associated methods for establishing authenticity of element used as security device  
A method is provided for producing a holographic optical element that is comprised of at least one primary hologram (as defined herein) and at least one complementary hologram (as defined herein)....
6606432 Phase mask consisting of an array of multiple diffractive elements for simultaneous accurate fabrication of large arrays of optical couplers and method for making same  
The present invention entails a phase mask for producing a plurality of volume gratings for use as optical couplers and method for creating the phase mask. The phase mask is produced by creating a...
6597475 Image recording apparatus and image recording method as well as recording medium  
An image recording apparatus and an image recording method can be suitably used for preparing a large number of edge-lit type holograms or holographic stereograms in a simple manner by copying. A...
6529297 Color hologram recording medium and process for fabricating the same  
A color hologram recording medium 2 includes volume hologram recording mediums 14 R, 14 G and 14 B for diffracting light of wavelengths different from each other. Reconstruction patterns 1 R,...
6515775 Diffusive optical element, illumination optical system, and image-shooting apparatus  
A diffusive optical element exploiting holography is designed in such a way that, the higher the intensity of incident light in a wavelength range, the lower the rate at which the intensity of...
6501571 Three-dimensional holographic stamping of multi-layer bit-oriented non-linear optical media  
A master hologram is generated in a first optical medium by use of a plurality m of different reference beams, each beam bearing information suitably recorded in one or more of a plurality n layers...
6388779 Process for holography involving tilt compensation  
The invention involves a holographic system containing a photopolymer-type storage medium located in the system's optical path, where the medium is rotated around a first axis such that the surface...
6384883 Liquid crystal display device using a hologram, hologram scatter plate, and process of replicating a diffuse reflection type hologram  
The invention relates to a liquid crystal display device which enables a visual field range to be made wide and luminance drops to be reduced, so that bright displayed images can be presented, and...
6366369 Transmission hologram fabrication process  
The invention relates to a process capable of fabricating a variety of transmission holograms having a simple structure, a wide visible range and a large area and comprising the first stage of...
6329104 Position alignment system for holographic lithography process  
Lithography processes that use multiple layers require registration between layers. The accuracy requirement depends on the application of the lithograph. For microlithography, the registration...
6291109 Hologram and method of and apparatus for producing the same  
A duplicating photosensitive material film is brought into close contact with an ND glass reduced in thickness so as to become flexible or a flexible sheet or an ND glass coated with a cushioning...
6281994 Method and apparatus for three-dimensional holographic display suitable for video image display  
A method and an apparatus for three-dimensional holographic display suitable for moving object display are disclosed. At least one hologram of a display target object is displayed on a display...
6266167 Apparatus and method for replicating a hologram using a steerable beam  
An apparatus and method are disclosed for replicating a hologram. The apparatus comprises an assembly operable to position a hologram in proximity to holographic recording material. The apparatus...
6266166 Self-adhesive film for hologram formation, dry plate for photographing hologram, and method for image formation using the same  
There are provided a self-adhesive film for hologram formation, a dry plate for photographing a hologram, and a method for image formation using the same, which, when a pressure-sensitive adhesive...
6226110 Method and apparatus for holographically recording an essentially periodic pattern  
The present invention relates to a method and an apparatus for holographically recording periodic or quasi-periodic features of a mask in a holographic recording layer. In holographic lithography...
6195185 Image recording apparatus  
An image recording apparatus is capable of reducing a vibration of a hologram recording medium so that a holographic stereogram which provides an excellent reproduced image can be prepared in a...
6178019 System and method for controlling the selectivity of a holographic memory system  
A system and method for controlling the selectivity function in a holographic memory system that permits more rapid location and retrieval of holographically stored data. The system and method...
6141123 Hologram and process for producing hologram  
There is provided a hologram with excellent heat resistance. The hologram comprises a hologram film (10) in which a diffraction grating has been recorded, a substrate (11) situated on one side of...
6101007 One-visual-point image display apparatus and multi-visual-points image display apparatus  
A screen hologram image is reproduced on or near a plane of a hologram plate. A dynamic image is displayed at a position crossing an optical path of light beam for illumination to view a dynamic...
6097514 Hologram replicating method, and volume hologram  
The invention relates to a method for replicating a volume hologram having an image of a scattering object recorded therein according to a hologram replicating technique, wherein the diffraction 13...
6055075 Method of recording, and replicating a reflection hologram  
The invention provides a method of recording, and replicating a reflection hologram, which enables reference light or object light to strike on a holographic recording material at an angle of...
Matches 1 - 50 out of 174 1 2 3 4 >