Method and means for projecting images in a contour projector

Details Method and means for projecting images in a contour projector Method and means for projecting images in a contour projector

1994-07-29

1995-03-28

Cuchlinski, Jr., William A.

Optics: image projectors

Structurally related projector and screen

Profile or silhouette

353 78, 356391, G03B 21261

Patent

active

054021936

ABSTRACT:
A workpiece is mounted in a contour projector machine so that at least one of two opposed sides thereof can be observed by the operator. The side observed by the operator is illuminated by a surface illuminator, and an image thereof is projected onto the machine's projection screen also to be observed by the operator. The side of the workpiece opposite to the side observed by the operator is illuminated by a contour projector, which projects a contour image of the workpiece onto the projection screen simultaneously with the image of the illuminated surface observed by the worker, thus producing on the screen upright an unreversed images of both the contour and the observed side of the workpiece.

REFERENCES:
patent: 3229572 (1966-01-01), Meltzer
patent: 3489494 (1970-01-01), Snider
patent: 4223986 (1980-09-01), Choate
MP 320 Measuring Projector, Germany, 1970, pp. 285-287.

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