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| Number | Title | Issue Date |
| 7372606 | Optical pattern generator using a single rotating component An optical pattern generator uses a single rotating component. The rotating component includes a number of deflection sectors. Each sector deflects an incident optical beam by a substantially constant angular amount although this amount may vary from one sector to t... | 05/13/2008 |
| 6877864 | Projector and method of correcting image distortion Projector has projection optical system for projecting an image onto a projection surface and optical zoom mechanism for actuating projection optical system to enlarge and reduce the image projected onto the projection surface. Projector also has distortion correcti... | 04/12/2005 |
| 6844912 | Optical system for the rotation of images taken by a film camera about the optical axis The invention relates to an optical system for the rotation of images taken by a film camera about an optical axis, having a controller device for the rotation of images with an adjusting motor and a position sensor for recording the rotation angle of the image-rota... | 01/18/2005 |
| 6014198 | Method for shortening the closure time and apparatus for executing same The invention refers to a method of shortening the closure time of shutters in cinema projectors of the type in which film is intermittently advanced one frame at a time into registry with an image window in the projector, and wherein each time the film i... | 01/11/2000 |
| 5153733 | Film scanner A film scanner is disclosed which comprises a dynamic film gate. The film gate includes a pair of capstans for supporting the film at an imaging station and a pair of belts which clamp the film against the capstans. The capstans are driven to advance the ... | 10/06/1992 |
| 5088812 | High-frequency movie camera A high-frequency movie camera has a sprocket wheel for supporting and transporting of a film. A rotating prism is positioned opposite to the perimeter of the sprocket wheel and is driven by the combination of a gear located on the sprocket wheel shaft and... | 02/18/1992 |
| 4150882 | Identification code generator for high speed motion picture photography A method and apparatus for generating a variable pulse width code of at lt three binary coded decimal digits at a rate sufficiently greater than the film speed of a movie camera to cause a single light source in the camera to record in a continuous seque... | 04/24/1979 |
| 4126386 | Image stabilization system for continuous film scanning apparatus An optical scanner system such as a projector for the continuous transmission of images to provide image immobilization is provided. The optical scanner system includes an illumination system, a scanner mechanism, and a projection lens system. The scanner... | 11/21/1978 |
| 4113367 | Roof reflective polygon scanning apparatus The present invention provides a multifaceted reflecting polygon scanner system that is suitable for incorporation into a projector, camera, or other optical scanning or image immobilizing apparatus. The rotating reflecting optical system of the present i... | 09/12/1978 |
