Scanning path alignment arrangement

Details Scanning path alignment arrangement Scanning path alignment arrangement

1978-10-13

1980-12-09

Corbin, John K.

Geometrical instruments

Straight-line light ray type

Alignment device

356399, G01B 1100, G01C 1500

Patent

active

042376165

ABSTRACT:
The present device includes a pair of wires which are located one above the other in a plane that lies parallel and orthogonal to the center lines of a path which a scanning head is going to view, as it travels in a scanning excursion. The wires are held taut and when they are in vertical alignment to the human eye (for convenience as reflected in a tilted mirror) then material to be scanned along a certain path can be centered under what appears to be "one wire" and in this way the scanning head will pass directly over the proper portion of the material.

REFERENCES:
patent: 2290586 (1942-07-01), Gentry

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