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| Number | Title | Issue Date |
| 7643189 | Method and device for encoding and reconstructing computer-generated video holograms 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 electronically controllable pixel in a holographic array (3) wit... | 01/05/2010 |
| 7505186 | 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 using pulsed lasers. Additional hologram production system hardware and... | 03/17/2009 |
| 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 analyte results in a variation of a property of the medium. ... | 10/28/2008 |
| 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 electronically controllable pixel in a holographic array (3) wit... | 07/15/2008 |
| 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 other beam deflecting elements, which combine the b... | 05/20/2008 |
| 7367759 | Surface relief grating image machining process and product A surface relief grating (SRG) image machining process and/or product. For the SRG image machining process a material and a cutting tool are provided. The material is contacted by the cutting tool to a predetermined depth. The cutting tool is rotated to cut the mate... | 05/06/2008 |
| 7364317 | Method and apparatus for object viewing, observation, inspection, identification, and verification In an object verifier having a housing and an object holder, an object may be placed in the object holder for observation by an operator. The object is illuminated using a collimated beam of white light that is generated by a light generator. The collimated beam of ... | 04/29/2008 |
| 7363157 | Method and apparatus for performing wide area terrain mapping A method and apparatus for performing wide area terrain mapping. The system comprises a digital elevation map (DEM) and mosaic generation engine that processes images that are simultaneously captured by an electro-optical camera (RGB camera) and a LIDAR sensor. The ... | 04/22/2008 |
| 7327389 | Apparatus and method for photographing three-dimensional image, apparatus and method for displaying three-dimensional image, and apparatus and method for converting three-dimensional image display position The present invention makes it possible to acquire image information required for displaying a three-dimensional image of an object in a space with a simple configuration and to achieve display of a stereoscopic dynamic image in a true sense with a simple configurat... | 02/05/2008 |
| 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 processed and displayed on a high resolution spatial light modulator (... | 01/29/2008 |
| 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 scene can then be anywhere within a volume defined by the hologram-b... | 01/01/2008 |
| 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 populated with points that together make up the image. The invention prov... | 11/13/2007 |
| 7295356 | Method for improved holographic recording using beam apodization An apodization system for achieving a substantially uniform intensity profile of a modulated reference beam on a holographic recording medium. The substantially uniform intensity profile serves to improve the quality of any and all recorded holograms. In high-densit... | 11/13/2007 |
| 7286696 | Method and apparatus for utilizing representational images in commercial and other activities In a method and apparatus for performing commercial and other activities using one or more two- or three-dimensional representational images, superimposing a two- or three-dimensional representational image, containing an image of the workpiece in an advanced state ... | 10/23/2007 |
| 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 jets, and similar devices can be used to deposit one or more compone... | 09/18/2007 |
| 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 (animated) model. In another embodiment the data are generated from multipl... | 08/28/2007 |
| 7259898 | Direct view LC display A display is provided having first and second direct view modes of operation. The display comprises a liquid crystal display panel and a backlight which is illuminated during the first mode so that the displayed image is visible throughout an extended viewing region... | 08/21/2007 |
| 7259919 | Thin-profile projection system A relatively thin-profile projection display device that employs at least two anamorphic components is disclosed herein. ... | 08/21/2007 |
| 7254105 | Method and apparatus for diffractive information storage A petabyte diffractive storage system stores information on a diffractive storage tape. A light component generates a large reference beam to cover the plurality of points of the diffractive storage tape so as to simultaneously interfere with the plurality of object... | 08/07/2007 |
| 7245408 | Systems and methods for producing wide field-of-view holographic displays Hologram recording devices and techniques can be employed to produce wide-field-of-view holograms. In one embodiment, a specialized lens is used to couple an object beam into a holographic recording material without substantially changing the angle of incidence of t... | 07/17/2007 |
| 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 prior art. This allows a wavefront from a singel hogel to generate a... | 06/12/2007 |
| 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 containing image information with a reference laser beam. In this manner,... | 06/05/2007 |
| 7224867 | Holographic spectral filter Method and apparatus are contemplated for receiving from an input, an optical signal in a volume hologram comprising a transfer function that may comprise temporal or spectral information, and spatial transformation information; diffracting the optical signal; and t... | 05/29/2007 |
| 7209269 | Displaying holographic three dimensional images Holographic three dimensional images of objects can be displayed via a device comprising micro holographic optical elements (MHOEs). A device for displaying holographic three dimensional images of objects can comprise a laser source, a spatial filter using a micro h... | 04/24/2007 |
| 7199814 | Direct write holographic printer A direct write holographic printer for producing RGB color reflection holograms is disclosed. A Nd:YLF crystal (1) in a laser cavity is excited to produce an emission at 1313 nm which is frequency converted by doubling to 656.5 nm and by tripling to 437.7 nm.... | 04/03/2007 |
| 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 the environment and/or some object interacting with the environment. T... | 03/13/2007 |
| 7180644 | Holographic storage lenses Disclosed are holographic storage systems and lenses for holographic storage systems. The lens units can be of a two-component design. The lenses can be used to both record to photorefractive storage media and to read from photorefractive storage media. ... | 02/20/2007 |
| 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 display object and correlated with the spatial regions, and the displ... | 01/30/2007 |
| 7162080 | Graphic image re-encoding and distribution system and method An image file, which typically represents a palette-based image that has been encoded using a first predefined run-length based encoding method, is decoded to produce an image data array. The image data array is divided into blocks; either all the blocks or a majori... | 01/09/2007 |
| 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. ... | 01/09/2007 |
| 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 and a field lens. Images are designed with magnifications and optica... | 12/19/2006 |
| 7133022 | Apparatus for image projection The invention is directed to a solid-state projection device incorporating a light source, modulator, and control circuitry on a single chip. For example, projection device may include several sets of VCSELs, each associated with a set of MEMs mirrors and coupled to... | 11/07/2006 |
| 7119762 | Method and apparatus for selectively viewing captioning Alphanumeric images are displayed in common view in one color on a background of a different color using a liquid crystal projection device. The two colors are sufficiently similar so they are not distinguished by the unaided eye of the viewer. A color selective mat... | 10/10/2006 |
| 7100849 | Apparatus and method for positioning road marking material application equipment using holographic sights The present invention provides an apparatus and method for applying road marking material to a pavement surface. The apparatus includes a vehicle having a holographic sight and at least one road marking material applicator mounted thereon. In accordance with the met... | 09/05/2006 |
| 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 lenses disposed corresponding to each of the images, which a... | 08/29/2006 |
| 7095539 | Method of forming a three-dimensional orthoscopic image from its pseudoscopic image A method of forming a three-dimensional orthoscopic image from a pseudoscopic image comprising preparing an integral photograph representing the pseudoscopic image, and reconstructing a three-dimensional image from that integral photograph. Since the reconstruction ... | 08/22/2006 |
| 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 different viewing directions and thereby creating a three-dimensional imag... | 08/01/2006 |
| 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 said plurality of cells Pj has information related to a l... | 06/27/2006 |
| 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 original H1, a second optical system (60) ... | 06/13/2006 |
| 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 uses Fourier transforms of the images for projection onto the recordin... | 06/06/2006 |
