Width detector system

Details Width detector system Width detector system

1981-04-29

1983-07-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250571, 356386, G01N 2186

Patent

active

043933130

ABSTRACT:
Apparatus for continuously measuring the width of moving strip materials and visually displaying such measurements; the same utilizing a pair of motorized edge sensors for locating and following the strip edges relative to a fixed reference datum and signal generators for measuring the width of the material and energizing alarm and/or recording systems whenever the measured width exceeds predetermined tolerance limits.

REFERENCES:
patent: 2548590 (1951-04-01), Cook
patent: 2730006 (1956-01-01), Gottschall
patent: 2810316 (1957-10-01), Snyder
patent: 2931917 (1960-04-01), Beelitz
patent: 2941087 (1960-06-01), Blumberg et al.

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