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| Number | Title | Issue Date |
| 6914662 | Digital projector automation A method for controlling a digital projector by sensing a condition of a switched power outlet and determining and performing at least one programmed response to the sensed condition. Also, a digital projector interface having a switched outlet interface for receivi... | 07/05/2005 |
| 6795158 | Real time answerprint timing system and method A method and system for color correcting and completing answerprints in preparation for making final copies of motion pictures for distribution. A light system is provided in which colors of the light projected through a film toward a viewing screen can be individua... | 09/21/2004 |
| 6501530 | Motion picture film projector illumination system for minimizing film buckle A motion picture film projector illumination system (100) for minimizing film buckle comprises a light source (405) for producing a beam of light (416). Beam shaping optics (411) focus the light beam onto a film through an aperture (408) having an apertur... | 12/31/2002 |
| 6220730 | Illumination obscurement device An illumination obscurement device for controlling the obscurement of illumination from a light source which is optimized for use with a rectangular, arrayed, selective reflection device. In a preferred embodiment, a rotatable shutter with three positions... | 04/24/2001 |
| 6118113 | Focusing mirror control system and method for adjusting same The present invention is a system and method to quickly and accurately measure the luminance and luminance distribution of a light on the surface of an object so that the position of the focusing reflectors in the projector can be adjusted to obtain the b... | 09/12/2000 |
| 4505558 | Method of modifying projected images A method of modifying projected images is disclosed wherein light is projected on a screen in a manner which provides information concerning the desired characteristics of the image. The parameters of optical attenuators required to obtain the desired ima... | 03/19/1985 |
| 4472037 | Additive color means for the calibration of stereoscopic projection Right and left projected image fields of stereoscopic images must have even illumination. If audiences are subjected to uneven illumination intensity of right and left pairs of stereoscopic images, the result for most people will be discomfort. Compliment... | 09/18/1984 |
| 4227781 | Projection lamp control A cinematographic system including a programmable viewing apparatus by which an exposed photographic film strip in a multipurpose cassette may be processed, viewed by projection, and rewound, either entirely or for a selected film length for replay, witho... | 10/14/1980 |
