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| Number | Title | Issue Date |
| 5216528 | Three-dimensional multiplex hologram The present invention provides a method and apparatus for producing a hologram from a series of two-dimensional images horizontally different in line of sight from each other. The holographic apparatus employs original images produced by photographing an ... | 06/01/1993 |
| 5191449 | Animated holographic stereogram display An animated holographic stereogram display and method of creating the same is disclosed. In accordance with the method, a user views a hologram from a fixed relative position, the hologram containing a plurality of stereographic image pairs. A plurality o... | 03/02/1993 |
| 5134504 | Method and apparatus for producing full color stereographic holograms A method and apparatus for producing temporally coherent, full color holograms is disclosed whereby a linear array of stereographically positioned cameras are simultaneously triggered to obtain a temporally coherent sequence of full color exposures. The e... | 07/28/1992 |
| 5111313 | Real-time electronically modulated cylindrical holographic autostereoscope An electronic autostereoscopic display that presents 3D images through the use of horizontal parallax is disclosed. The device disclosed presents a 3D image, viewable over 360 degrees or less, without the need of special viewing glasses. The image is crea... | 05/05/1992 |
| 5103325 | Segmented hologram for multi-image display A holographic display includes "segmented" images configured as if positioned in separate viewing "cells" corresponding spatially to preselected subareas of a desired display area with invisible segmenting cell sides. In one embodiment, a polarized conjug... | 04/07/1992 |
| 5032003 | Optially variable surface pattern An article of manufacture including an optically variable surface pattern is disclosed. The optical surface pattern makes visible one out of a plurality of N image representations for each one out of N predetermined viewing directions. The surface pattern... | 07/16/1991 |
| 5022727 | Method and apparatus for producing full color stereographic holograms A method and apparatus for producing temporally coherent, full color holograms is disclosed whereby a linear array of stereographically positioned cameras are simultaneously triggered to obtain a temporally coherent sequence of full color exposures. The e... | 06/11/1991 |
| 4993790 | Holographic lenticular screen stereoscopic avoinics display apparatus Holographic techniques are utilized to create a lens or magnifying effect in a surface film. This surface film deflects the light rays so that they leave the film at a much different angle then they arrive at the film. Since holographically produced lense... | 02/19/1991 |
| 4964684 | Holographic image recording using liquid crystal This invention pertains to holography and particularly to a novel method for producing holographic stereogram images from a sequential series of two dimensional images generated on a liquid crystal display matrix. Further a liquid crystal display matrix i... | 10/23/1990 |
| 4878717 | Apparatus and method for rapidly constructing holograms An apparatus for constructing a hologram of one or more two-dimensional images by displaying the images on a variable-reflectance device. An object beam of coherent radiation is directed at the variable-reflectance device to be redirected by the device to... | 11/07/1989 |
| 4834476 | Real image holographic stereograms Methods and devices for recording and projecting holographic stereograms are disclosed. In one aspect of the invention, a concave semi-cylindrical ("alcove") display system is disclosed in which an image is projected in front of the alcove. The display sy... | 05/30/1989 |
| 4832424 | White-light viewable, cylindrical holograms and method of spatially filtering wavefronts A white-light viewable, cylindrical hologram is made by recording on a cylindrical recording medium the interference between a radial reference beam and an object wavefront emanating from the center of the cylindrical recording medium. In a second step, t... | 05/23/1989 |
| 4807971 | Optical decorative apparatus An optical decorative apparatus for producing a three-dimensioned image in the inside space of a drum-shaped hologram film by means of light, the apparatus including a dividable casing of lower and upper parts, light equipment, a rotatably supported cylin... | 02/28/1989 |
| 4783133 | Method and apparatus for forming a hologram from incoherent light Provided is a systemic approach to creating a hologram from a sequential series of two dimensional transparencies each having a differing viewpoint of a scene taken simultaneously by a camera in incoherent light and a projection apparatus using coherent l... | 11/08/1988 |
| 4778262 | Computer aided holography and holographic computer graphics Methods for generating holograms from a computer model of any object using a combination of numerical and optical means and the holograms produced thereby. An illumination model is provided to specify sources of light rays and dispersion particles of the ... | 10/18/1988 |
| 4445749 | Holographic products and processes A method of making achromatic holographic stereograms in which projected images from a sequence of two-dimensional transparencies of a scene taken from a sequence of successively displaced positions are sequentially holographically recorded on adjacent st... | 05/01/1984 |
| 4421380 | Full-color hologram A new class of holograms, having the properties of full-color reconstruction from a single white light source, an extended vertical viewing aperture, and extended scene depth is disclosed. These advantageous properties are provided by a hologram composed ... | 12/20/1983 |
| 4411489 | System for synthesizing strip-multiplexed holograms A system for synthesizing strip-multiplexed holograms, with or without coherent light, from a plurality of two-dimensional images. The two-dimensional images may be formed by a motion picture film of a rotating subject such that each image is a view of th... | 10/25/1983 |
| 4364627 | Method and system for constructing a composite hologram Techniques for making individual narrow lenticular holograms for a composite drum shaped hologram wherein the vertical and horizontal aspects of an object beam and of an image therein are optically processed independently of each other. A very narrow lent... | 12/21/1982 |
| 4339168 | Holograms created from cylindrical hologram masters A method of constructing cylindrical holograms in which the image space is the entire space within the cylinder, and a method of constructing holograms on surfaces of other shapes, such as flat surfaces, both from original cylindrical hologram masters. Th... | 07/13/1982 |
| 4206965 | System for synthesizing strip-multiplexed holograms A system for synthesizing strip-multiplexed holograms, with or without coherent light, from a plurality of two-dimensional images. The two-dimensional images may be formed by a motion picture film of a rotating subject such that each image is a view of th... | 06/10/1980 |
| 4130337 | Holographic viewer system In the system disclosed, a hologram diffracts a portion of a reconstruction beam into an image-carrying beam which is projected onto a screen. The hologram is substantially flat and one dimension along the flat of the hologram is smaller than the flat dim... | 12/19/1978 |
| 4116526 | Double modulation holographic recording technique By simultaneously illuminating an area of a hologram recording medium through an object transparency situated in substantially direct contact with the recording plane of the hologram recording plane with each of two angularly-displaced beams of coherent l... | 09/26/1978 |
| 3985419 | Method of making a synthetic focused image hologram A method of making a synthetic focused image hologram consisting of: A step to diffusely illuminate plural number of component pictures having different image informations with coherent beam, a step to image by an imaging optical system the images of the plura... | 10/12/1976 |
| 3942861 | Full view hologram A single flat sheet hologram is provided which when illuminated displays substantially a 360° view of an object space. This is done by recording both left and right hand views of the object space on the single sheet of sensitive material. A flat sheet ho... | 03/09/1976 |
| 3940619 | Method for producing three-dimensional real image using radiographic perspective views of an object A sequence of separate radiographs are made by indexing a radiation source along a known path relative to the object under study. Thus, each radiograph contains information from a different perspective. A holographically-recorded image is then made from e... | 02/24/1976 |
