Projector slide orientation rectification system

Details Projector slide orientation rectification system Projector slide orientation rectification system

1991-11-04

1993-05-25

Cuchlinski, Jr., William A.

Optics: image projectors

Miscellaneous

353103, G03B 2308

Patent

active

052144607

ABSTRACT:
A projector slide has eight possible orientations, only one of which is the correct one to project a properly oriented image. For an automatic orientator to work there must be a simple way to recognize any one of the eight orientations and decide how to place the slide in the correct orientation. A method and device is described here which accomplishes this task.

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patent: 4420232 (1983-12-01), Mischenko
patent: 4514063 (1985-04-01), Wang et al.
patent: 4548486 (1985-10-01), Mosley
patent: 4858003 (1989-08-01), Wirt et al.

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