Method and apparatus for displaying three coordinates of an obje

Details Method and apparatus for displaying three coordinates of an obje Method and apparatus for displaying three coordinates of an obje

1980-06-20

1982-07-27

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

354110, 355 77, G03B 2748, G03B 2750

Patent

active

043414664

ABSTRACT:
Apparatus and method are described for providing a display of objects in a plane wherein two dimensions of the objects are represented by the coordinates of the images representing the objects, and a third dimension such as the distance of an object from a reference plane and from other objects is represented by the contrast of the image. Apparatus for determining the angular coordinates of an object from a reference plane is described which permits the calculation of the distance from the reference plane to the object. Distances to the object may be ascertained by passive methods which illuminate the object with natural light or by active methods which illuminate the object with a laser.

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"Spectra-Physics, Model 124B, 15mW Helium-Neon Laser", 8/79.

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