Matches 1 - 50 out of 164 1 2 3 4 >
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7443553 Holographic sensors and their production  
An array of discrete sensors disposed on a substrate, each sensor comprising a holographic support medium and a hologram disposed throughout the volume of the medium, whereby interaction with an...
7400431 Method for encoding video holograms for holographically reconstructing a scene  
A method and a device for encoding and reconstructing computer-generated video holograms using a conventional LC display: it provides holographic reconstruction of three-dimensional scenes using...
7376296 Optical multiplexer  
The invention provides an optical multiplexing device comprising: a plurality of optical sources with integrated collimators ( 31 - 37 ) whose output beams are combined by mirrors ( 41 - 47 ) or...
7315408 Video hologram and device for reconstructing video holograms for large objects  
A video holographic display device operates so that the size of a reconstructed three dimensional scene is a function of the size of the hologram-bearing medium; the reconstructed three dimensional...
7295200 Computer generated hologram display system  
A method of displaying a computer generated hologram includes displaying the image as a set of facets that approximated to the true shape of the object to be displayed. Each of these facets is...
7271940 Deposition of photosensitive media for digital hologram recording  
Hologram production devices can include holographic recording material deposition systems to deposit holographic recording material as needed by the hologram production device. Various nozzles, ink...
7230746 3D display  
A method of generating a Computer Generated Hologram (CGH) using the diffraction specific algorithm allows a curved wavefront to be produced from a single hogel, rather than the planar waves of the...
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...
7190496 Enhanced environment visualization using holographic stereograms  
Hologram production techniques can combine source data representing realistic information describing an environment with source data providing representational information describing a feature of...
7169113 Portrayal of human information visualization  
An apparatus and method for displaying viewer reactions to a display object. The display object is divided into a plurality of spatial regions, viewer reactions are collected to an exposure to the...
7150531 Autostereoscopic projection viewer  
An autostereoscopic viewer is employed to produce aberration corrected images to simulate a virtual presence by employing pairs of projector optical components coupled with an image corrector plate...
7084841 Method and apparatus for the presentation of three-dimensional images  
There is disclosed a method and apparatus for the presentation of three-dimensional images, where light beams with appropriate intensity and optionally with appropriate color are projected in...
7068403 Computer-generated hologram  
A computer-generated hologram comprising a plurality of cells. The hologram has information recorded therein, the information operable to recreate a stereoscopic image of an object. At least one of...
7058252 Optical switching apparatus  
A light direction switching apparatus and method is described. The light direction switching apparatus comprises a passive birefringent lens ( 138 ), e.g. a birefringent lenticular screen, and a...
7057779 Holographic stereogram device  
An improvement to the above described techniques for producing a holographic stereogram. The present invention uses a hologram lens in the process of creating the holographic stereogram, and also...
7046409 Holographic stereogram forming apparatus  
Between a spatial beam modulator for modulating an object beam and a one-dimensional diffuser plate for diffusing the object beam modulated by the spatial beam modulator in a one-dimensional...
7027197 Pulsed-laser systems and methods for producing holographic stereograms  
Pre-sensitization techniques can be used in conjunction with holographic recording materials to allow high quality holographic stereograms to be recorded in those holographic recording materials...
7009741 Computation of computer generated holograms  
A method of computing a computer generated hologram (CGH) for use in displaying a holographic image of a replay object. The method of generating a first computer generated hologram corresponding to...
6999071 Method and apparatus for displaying 3d images  
The invention relates to a method for displaying three-dimensional images. In the method light beams (L e ) are associated to several different screen points (P) of a screen ( 20 ). The light beams...
6977761 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6975440 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6963431 Rendering methods for full parallax autostereoscopic displays  
A method of rendering image data for full parallax autostereoscopic displays. The method is based on a double frustrum camera technique, where two cameras provide image data from opposing sides of...
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...
6927886 Reconfigurable image surface holograms  
The invention provides systems and methods for generating and displaying computational holographic stereograms having a hologram surface and a spatially distinct image surface. A three-dimensional...
6903852 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6900904 Distributed system for producing holographic stereograms on-demand from various types of source material  
A distributed system for producing holographic stereograms (holograms). A data acquisition station is typically remote from image processing, printing, and replicating stations. The data...
6865002 Image exposure-recording device and image exposure-recording method  
An image exposure recorder for exposure-recording a holographic stereogram image or a hologram image on a recording medium for hologram. The recorder has an inverse correction system for rotating...
6859293 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...
6856434 Image reproducing apparatus and image illuminating apparatus  
Angle of incidence of reproducing light with respect to a hologram or a holographic stereogram is adjusted so that a reproduced image can be repetitively viewed without requiring the viewer to move...
6844948 Integral hologram revolving lamp and method for making same  
An illuminated colored display device provides a 360-degree viewable hologram, having the properties of a distortion free, monochromatic or full-color reconstruction from a single white light...
6837585 Computer processed integral photography apparatus and process for large 3D image production  
A set of enhanced apparatuses and a computer integrated processes are provided for creating large scale 3D integral photography images. A large number of mini projectors in a grid on top of each...
6806982 Pulsed-laser systems and methods for producing holographic stereograms  
Pre-sensitization techniques can be used in conjunction with holographic recording materials to allow high quality holographic stereograms to be recorded in those holographic recording materials...
6781619 Parallax image string pickup apparatus  
A parallax image string pickup apparatus can attract the gaze of the person being shot to make it stable without making the person nervous about the camera operation when the person is shot from a...
6778302 Holographic stereogram printing system, holographic stereogram printing method and holographing device  
A holographic stereogram printing system to print holographic stereograms with good efficiency and no drop in the operating rate of the imaging system and holographic printer. An imaging system...
6747770 Holographic stereogram exposure apparatus, method thereof, and holographic stereogram generation system  
An illuminating optical system 36 evenly spreads an object beam L 3 split from a beam splitter 34. When a control computer sends a number of images in the parallax direction, a spatial light...
6738170 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6736512 Pixel element for a three-dimensional screen  
A pixel element for a 3D display, wherein multiple substantially collimated controllable light beams are emitted in multiple directions, with each light beam associated with a predetermined viewing...
6721075 Holographic optical element  
A holographic optical element comprising at least two sets of regions, the regions of each set being different from the regions of the other set(s) and being interleaved or overlapping with the...
6710903 METHOD AND APPARATUS FOR FORMULATING IMAGE DATA, METHOD AND APPARATUS FOR CONVERTING IMAGE DATA, METHOD AND APPARATUS FOR FORMULATING HOLOGRAPHIC STEREOGRAM, RECORDING MEDIUM AND DATA TRANSMITTING METHOD  
In a system in which images having parallax data, and which are made up of plural images containing the parallax information, are processed with viewing point conversion, and the resulting new...
6665100 Autostereoscopic three dimensional display using holographic projection  
Large format, highly selective display screens can be formed from a plurality of holographic optical elements. In accordance with the teachings of the present invention, systems and methods are...
6661548 Method and apparatus for recording one-step, full-color, full-parallax, holographic stereograms  
The present invention concerns methods and devices for creating and printing variable size and variable resolution holographic stereograms and holographic optical elements using computer rendered...
6631016 Full-parallax holographic stereograms on curved substrates  
The current invention comprises the recording of full parallax, one-step, full color holographic stereograms so as to properly display the resultant imagery when the hologram is mounted on a curved...
6618175 Holographic stereogram preparation apparatus  
A bright holographic stereograin having a high diffraction efficiency can be prepared by restricting vibrations. The apparatus comprises: an optical system 15 for letting an objective laser L 2 ...
6618051 System and method for creating and displaying representations of holographic images  
A system and method for creating and displaying representations of holographic images comprises a display device, digital image data, a simulation module configured to create a representation of a...
6614467 Image processing method and apparatus  
In generating a parallax image string used for generating a holographic stereogram, the image quality of a stereoscopic image generated from the parallax image string is to be maintained as the...
6600580 Hologram print system and holographic stereogram  
A single photographic subsystem 2 photographs an original image for a hologram and provides an image information file Fp. In addition, this subsystem provides a management information file Fm for...
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...
6593958 System, apparatus and method for the recording and projection of images in substantially 3-dimensional format  
A system for the production of a second three-dimensional image magnified from a first three-dimensional image in substantially the same proportions, including a first active optical system for...
6590680 Holographic optical element  
A holographic optical element comprising at least two sets of regions, the regions of each set being different from the regions of the other set(s) and being interleaved or overlapping with the...
6559983 Holographic stereogram printing system, holographic stereogram printing method and holographing device  
A holographic stereogram printing system to print holographic stereograms with good efficiency and no drop in the operating rate of the imaging system and holographic printer. An imaging system...
Matches 1 - 50 out of 164 1 2 3 4 >