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6678078 |
Optical filter employing holographic optical elements and image generating system incorporating the optical filter
The present invention relates to a solid state filter used in sequentially illuminating an image display, directly or indirectly, with first, second, and third bandwidth light. The solid state...
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6661495 |
Pancake window display system employing one or more switchable holographic optical elements
An optical system including one or more switchable holographic optical elements is described for use with a pancake window display system. Each of the switchable holographic optical elements of the...
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6603504 |
Multiview three-dimensional image display device
The present invention discloses a multiview 3D image display device which decreases the size of system and has a high resolution of images, and which can thus improve the quality of images. The...
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6507419 |
Illumination system using optical feedback
Disclosed is an illumination system using optical feedback to maintain a predetermined illumination output. The illumination system employs an electrically controllable optical filter for filtering...
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6504629 |
Method and apparatus for illuminating a display
Disclosed is a device for producing colored light and an image generating apparatus including such a device. The device includes a switchable light-directing apparatus configured to receive light...
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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...
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6445406 |
Stereoscopic image display apparatus whose observation area is widened
A stereoscopic image display apparatus comprising a light source for emitting light from plural apertures, an optical element array composed of an array of optical elements having different optical...
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6424437 |
Projection display employing switchable holographic optical elements
The present invention relates to an optical system for use in a projection display system. The optical system, in one embodiment, includes a first electrically switchable holographic optical...
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6421109 |
Method and system for display resolution multiplication
Disclosed is an optical display system and a method for increasing the resolution of an display device. The optical display system includes a display device which includes a pixel and a holographic...
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6407724 |
Method of and apparatus for viewing an image
Light from an image displayed on a display screen 10 is transmitted to an observer's eye 11 by way of a dynamic optical element 12 (such as a spatial light modulator or an electrically...
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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...
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6222937 |
Method and system for tracking vantage points from which pictures of an object have been taken
A computer-based method and system for digital 3-dimensional imaging of an object which allows for viewing images of the object from arbitrary vantage points. The system, referred to as the...
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6201565 |
Method and apparatus for displaying three-dimensional images
The method and apparatus of the invention pertains to a simultaneously modulated light beam carrying the information of a three-dimensional image is directed to pixels (image points) defining a...
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6157424 |
2D/3D imaging display
An improved 2D/3D display is disclosed. In one embodiment, the display uses both an imaging LCD and a secondary LCD. The secondary LCD is a light line forming LCD which can be placed between a...
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6115152 |
Holographic illumination system
Holographic optical elements (HOEs) can be used in systems and methods for providing illumination and for projecting images. The HOEs may be switchable HOEs, whose diffractive properties can be...
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6069650 |
Autostereoscopic display apparatus
An autostereoscopic display apparatus comprises a display device (10), for example a matrix LC display panel, for producing a display output consisting of rows and columns of pixels (12) and...
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6023523 |
Method and system for digital plenoptic imaging
A computer-based method and system for digital 3-dimensional imaging of an object which allows for viewing images of the object from arbitrary vantage points. The system, referred to as the...
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