Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7999843 | Image processor, image processing method, recording medium, computer program, and semiconductor device To provide an image processing technique for easy initial settings when a video image feature is used as an input interface. This is an image processor having an image combining section 106 for combining a mirrored video image feature that includes an ... | 08/16/2011 |
| 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 |
| 7259899 | Narrow angle hologram device and method of manufacturing same A method of manufacturing a master for producing a hologram device. A first master is produced with a compensating angle. The second master is produced from the first master with an index matching material to reduce the interference pattern caused by internal reflec... | 08/21/2007 |
| 7250965 | System and method for calibrating a camera with one-dimensional objects Calibration for a camera is achieved by receiving images of a calibration object whose geometry is one-dimension in space. The received images show the calibration object in several distinct positions. Calibration for the camera is then calculated based on the recei... | 07/31/2007 |
| 7215474 | Method and apparatus for combining optical beams According to one aspect of the present invention, an apparatus for optically combining light beams is disclosed. The apparatus includes a set of prism shaped doorways configured to receive output beams from at least one optical device. Each of the plurality of doorw... | 05/08/2007 |
| 7206006 | Real size display system Disclosed is a real size display system comprising a real size display system comprising a photographing unit for photographing an image of a subject, and outputting first image information that includes measurement information of the subject; a flat panel display u... | 04/17/2007 |
| 7199902 | Image processing method, recording medium, and image processing apparatus An image processing apparatus includes: an image input unit into which image information is input and which can output the image information as electronic data; and an intensity computation unit for computing smoothing intensity for smoothing the electronic data, fr... | 04/03/2007 |
| 7101048 | Flat-panel projection display A flat-panel projection display comprises a slab waveguide having a preferably embossed diffraction grating on one face, a lens for directing light into an edge of the waveguide, and in the focal plane of the lens a liquid-crystal modulator for modulating the intens... | 09/05/2006 |
| 7068303 | System and method for calibrating a camera with one-dimensional objects Calibration for a camera is achieved by receiving images of a calibration object whose geometry is one-dimension in space. The received images show the calibration object in several distinct positions. Calibration for the camera is then calculated based on the recei... | 06/27/2006 |
| 6999397 | Holographic digital data storage system compatible with holographic and reflective medium In a holographic digital data storage system, a light source generates a reference beam, a holographic optical element saves a plurality of interference patterns between the reference beam and a plurality of beams of specific sizes and a beam splitter splits each re... | 02/14/2006 |
| 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 point in a recorded scene. A spatial light modulator is receptive of ... | 09/06/2005 |
| 6847488 | Far-field display A flat-panel projection display comprises a transparent slab and integral area grating, a transparent rod with rectangular cross-section and integral linear grating, arranged along the edge of the slab, and a small video projector. The projector is arranged to direc... | 01/25/2005 |
| 6639631 | Projection television using a holographic screen A projection television receiver having red, green and blue image projectors for respective images of different colors and a high gain projection screen formed by at least one hologram disposed on a substrate superimposed on at least one light transmissiv... | 10/28/2003 |
| 6628321 | Method and apparatus for simulating views from a window A remote viewing system for simulating the views from a window includes a camera assembly and a remote viewing assembly. The camera assembly obtains views of a site and transmits the views to the remote viewing assembly. The viewing assembly then displays... | 09/30/2003 |
| 6483533 | Projection televisions with three dimensional holographic screens A projection television is provided comprising at least three image projectors for projecting respective images of different colors onto a holographic projection screen. One of the projectors has a first, shortest optical path disposed in a substantially ... | 11/19/2002 |
| 6473209 | Apparatus for producing a three-dimensional image Described herein is an apparatus for producing three-dimensional staic or moving images. In one embodiment, the apparatus includes an image generator and an optical device. The image generator generates a plurality of image elements including first and se... | 10/29/2002 |
| 6339486 | Holographic technique for illumination of image displays using ambient illumination An apparatus and method is disclosed for illuminating an image display with ambient light using holographic techniques. The apparatus includes a pair of holographic optical elements each having a first surface aligned on a common axis so that the first su... | 01/15/2002 |
| 6323896 | Holographic device for formation of light beams with predetermined spectral compositions and projector of video images containing such a device The device includes a) flat mirror (7) formed by adjacent areas (5i, 6i) that are alternately transparent and reflecting with parallel and straight lines of demarcation, b) identical first (4) and second (4') reflection holograms, ea... | 11/27/2001 |
| 6181367 | Video image viewing device and method A video image viewing device includes first and second glass plates having a layer of liquid crystal therebetween. A plurality of laser diodes extending along a line near one edge of the first plate are selectively illuminated at an intensity correspondin... | 01/30/2001 |
| 6172713 | Color television system determination circuit A color system determination circuit for use with an input video signal having a frequency component is disclosed. The circuit includes a color trap filter for attenuating the frequency component in the input video signal with the color trap filter provid... | 01/09/2001 |
| 6147702 | Calibration of digital cameras A lens cover for a digital camera provides a diffused light source for calibration purposes which approximates a flat field light source. In this way, digital cameras may be calibrated in the field under user control. The diffuser may be in the form of a ... | 11/14/2000 |
| 6078351 | Projection televisions with three dimensional holographic screens A projection television comprises a projection screen formed by a three dimensional hologram disposed on a film substrate. A projection tube has an optical path in a substantially orthogonal orientation with the screen and two other projection tubes have ... | 06/20/2000 |
| 5973727 | Video image viewing device and method A video image viewing device includes first and second glass plates having a layer of liquid crystal therebetween. A plurality of laser diodes extending along a line near one edge of the first plate are selectively illuminated at an intensity correspondin... | 10/26/1999 |
| 5696552 | Stereoscopic display apparatus An image display to display a 2-dimensional image and a beam deflector to deflect the lights from the pixels constructing the image of the image display are provided. The beam deflector is arranged closely in front of the image display. A plurality of 2-d... | 12/09/1997 |
| 5652666 | Holographic 3-D display system with spatial light modulator A method of using a display system having a spatial light modulator (14) to display holographic images. The spatial light modulator (14) generates images that represent vertical strips of a hologram. These images are de-magnified by a three-dimensional op... | 07/29/1997 |
| 5600674 | Method and apparatus of an enhanced digital signal processor A digital signal processor (10) includes a primary data bus (12), a primary instruction bus (14), a program control unit (16), an arithmetic unit (18), and a multiplier (20). Within the program control unit (16), multi-instruction words are issued from pr... | 02/04/1997 |
| 5497189 | Stereoscopic display apparatus An image display to display a 2-dimensional image and a beam deflector to deflect the lights from the pixels constructing the image of the image display are provided. The beam deflector is arranged closely in front of the image display. A plurality of 2-d... | 03/05/1996 |
| 5495114 | Miniaturized electronic imaging chip A miniaturized electronic imaging chip has stratified layers wherein a base silicon layer has a peripheral edge defining an area and a thickness which allows passage therethrough of most UV, visible and IR light. A pixel layer is formed on the back side o... | 02/27/1996 |
| 5404234 | Projector using a hologram This specification discloses a method of dividing a radiation beam into a first beam and a second beam differing in color from each other, modulating the first and second beams to thereby form first and second modulated beams indicative of images differin... | 04/04/1995 |
| 5253073 | Electronic data multiplexing in a full color pulsed laser projector and method A multiplexed, multicolored video imaging system which comprises a plurality of pulsed lasers to provide input beams, a single acoustic-optical cell to receive the input beams, a transducer to modulate the input beams in the cell, a signal generator to pr... | 10/12/1993 |
| 5245448 | Apparatus for producing a moving 3-dimensional image A moving holographic image is projected into three space by producing a series of slides or fixed holographic images in quick succession in a process similar to a conventional motion picture All of the slides are produced on a single photochromic surface ... | 09/14/1993 |
| 5117296 | Apparatus and synthetic holography A novel technique for synthetic holography is disclosed. An image combiner such as a hologram comprising a number of independent off-axis holographic optical elements serves to image a set of off-axis regions to images disposed at various distances along ... | 05/26/1992 |
| 4989071 | Method of preparing a hologram using readily available light sources A method of preparing a color separation holographic master which can be used in the preparation of a colored hologram of an object, by illuminating the object with light having a very narrow wavelength range and capturing the reflectance values on the ob... | 01/29/1991 |
| 4987479 | Method of preparing a color hologram suitable for display purposes A method of preparing a hologram of an object on holographic material by a holographic laser exposure, by illuminating the object with white light and capturing the luminance values of the object using a detector having a filter which simulates the respon... | 01/22/1991 |
| 4914505 | High definition television system A high definition television system enables an object to be holographically recorded on a signal plate of an iconoscope to generate a multitude of picture signals which are, in turn, processed to form a multitude of screen lines on a display screen. A vie... | 04/03/1990 |
| 4831452 | Image pickup device having a photoconductive optical modulator element An image pickup device includes an optical modulator element for storing information corresponding to an optical image formed thereon, an imaging lens for forming an optical image of an object on the optical modulator element, and a device for reading the... | 05/16/1989 |
| 4807978 | Color display device and method using holographic lenses A system and method are described for achieving a high efficiency, full color display using color sensitive lenses such as holographic lenses. A lens assembly is composed of discrete lens elements (1, 2, 3) which are sensitive to different wavelengths ban... | 02/28/1989 |
| 4408277 | Holographic imager A holographic apparatus uses electronically processed three-dimensional information about an object to produce a three-dimensional display of that object and its movement. A holographic screen has a plurality of angularly multiplexed holographic images wh... | 10/04/1983 |
| 4142204 | Color image storage and display utilizing holography A plastic sheet is embossed with three angularly-multiplexed holograms to represent three colors of an image. Light is directed to the holograms from three directions, in sequence, to recreate the three colors of the image in sequence on the face of a bla... | 02/27/1979 |
| 4007481 | Holographic color television record A method and apparatus for constructing and relaying an optical holographic record containing a plurality of very small holograms, each of which contains color information independent of the other holograms. Each piece of full color information, such as a... | 02/08/1977 |
