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Automatic Alignment of Projection Color Television Systems Disclosure Number: IPCOM000035686D
Original Publication Date: 1989-Jul-01
Included in the Prior Art Database: 2005-Jan-28

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Garwin, RL [+details]


A technique is described whereby all points of color convergence and focus of high-resolution projection television systems are aligned automatically. Two methods are described whereby an automatic mechanism utilizing a single photo-sensitive diode can be programmed or commanded to provide the automatic alignment. The concept explores applications to other devices, such as the alignment of projection multi-beam CRT color displays and to automatically directed and controlled telescopes.