Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8047657 | Display shelf having placing tables and transmission type screens at front of placing tables Screens are positioned at front areas of respective placing tables which form placing spaces for placing an article. Each of the screens is a transmission-type screen capable of transmitting projection image light projected on a back side of the screen. A first opti... | 11/01/2011 |
| 7350927 | Image display apparatus The present invention includes a reflection portion which light-modulates three primary color lights by three rectangular reflective liquid crystal light modulators, then color-combine the light-modulated lights and reflects the resultant light; and a projection len... | 04/01/2008 |
| 7347565 | Device for mounting and demounting optical element An optical element mounting and demounting device for bringing an optical element (26) into an optical path of an optical lens system and removing it from the optical path includes a holder frame (28) for holding the optical element (26) that is... | 03/25/2008 |
| 7086738 | Optical projection system and method An optical projection system has a parallel light source for producing a parallel light beam. A first color splitter splits the parallel light beam into a first color beam and a color mixing beam. The color mixing beam includes a second color beam and a third color ... | 08/08/2006 |
| 6843570 | Micro mirror device and projector employing the same Provided are a micro mirror device capable of realizing color images without a color wheel by selectively reflecting color beams using a plurality of micro mirrors whose driving axes are positioned in different directions, and a projector employing the same. The mic... | 01/18/2005 |
| 6811265 | Retractable image projecting system An image projecting system for mounting in a hidden location such as a ceiling or a piece of furniture such as a desk. The system includes an image producing apparatus and a plurality of optical components. At least one of the optical components is a mirror that can... | 11/02/2004 |
| 6494582 | Projection monitor having darkroom The present invention relates to a projection monitor, and in particular to a projection monitor having a darkroom casing capable of preventing a penetration of a foreign material and any leakage of light and easily assembling reflection mirrors which gui... | 12/17/2002 |
| 6379012 | Overhead projector mount system An overhead projector mounting system is provided that is configured to support a projector in a ceiling of a room. The system includes a housing having an opening through which an image generated by the projector is transmitted. Preferably, the system in... | 04/30/2002 |
| 4379628 | Folding transparency (microfiche) viewer The film image is illuminated by the bulb or by ambient light admitted through an aperture on the top of the viewer. The image is projected on a folded light path onto a screen pivotally mounted on the underside of the upper housing to depend into the vie... | 04/12/1983 |
| 4235536 | Microfilm reader A microfilm reader is provided which comprises two casings. The first casing comprises selection means for selecting a micropicture as well as means providing a projection beam for imaging the positioned micropicture through at least one selected orifice ... | 11/25/1980 |
