The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7364300 | Theta-parallax-only (TPO) displays A 3-D display may comprise a rotating optical diffuser for displaying 3-D parallax images in specific substantially unidirectional viewing zones as the rotating optical diffuser rotates; and a projector for projecting images through the rotating optical diffuser. | 04/29/2008 |
| 7327410 | High resolution 3-D image display with liquid crystal shutter array A 3-D image display comprising a backlight, a liquid crystal shutter array having an opening and a mask alternately formed therein and selectively passing light emitted from the backlight by switching the opening and the mask. A display device having left eye image ... | 02/05/2008 |
| 7165841 | Stereoscopic image display apparatus A stereoscopic image display apparatus includes at least two linear image display devices which respectively display linear images in response to image signals. The two linear image display devices are periodically moved by a mechanical scan mechanism along a plural... | 01/23/2007 |
| 7123211 | Surround-vision display system A surround-vision display system with a very high visual dynamic range is made possible by distributing a limited number of LED's on the inside of a drum and then spinning that drum around a user. The pixel information for each horizontal position in space is sent t... | 10/17/2006 |
| 5722751 | Stereo slide mount and masking-amount guide device A stereo slide viewer comprising a stereo slide holder, first and second projection lenses held in a lens holder, first and second focusing plates held by respective first and second focusing plate holders. The lens holder is located between the stereo sl... | 03/03/1998 |
| 5720538 | Stereo slide viewer and stereo slide mount A stereo slide viewer can appreciate a stereo image without cutting a roll film photographed by a stereo camera. A film feeder 3 for feeding a roll film F is mounted at the rear of a table 2 of the stereo side viewer 1, and a pair of right and left projec... | 02/24/1998 |
| 5689283 | Display for mosaic pattern of pixel information with optical pixel shift for high resolution The apparent resolution of an image displayed on an image display system is increased without increasing the number of actual pixels which are arranged in horizontal rows and vertical columns and selectively energizable to display an image composed of a p... | 11/18/1997 |
| 5581625 | Stereo vision system for counting items in a queue A number of items present in a substantially linear queue are counted by examining two images of a scene including the queue that are taken from vantage points offset relative to each other. Depth information for portions of the scene is obtained by corre... | 12/03/1996 |
| 5115339 | Stereomicroscope A stereomicroscope for comparing photographs is disclosed. The microscope includes a pair of complementary occluders with one occluder positioned in an intermediate image plane of each side of the stereo optical system, which also includes a conventional ... | 05/19/1992 |
| 4146303 | Stereo-viewer and stereo-sheet to be used for the same A stereo-viewer and a stereo-sheet for use therewith, includes a set of oculars disposed in a horizontal plane in a case and separated from each other by the distance between the eyes of the user. The case has an insertion slot for accommodating the stere... | 03/27/1979 |
| 3942884 | Interactive audio-visual apparatus A device for the viewing of photo-images and the presentation of sound recordings corresponding to such photo-images, which device may be controlled by the user to provide substantially random access to any photo-image and the sound recording correspondin... | 03/09/1976 |