Apparatus for measuring a dimension of an object

Details Apparatus for measuring a dimension of an object Apparatus for measuring a dimension of an object

1975-11-10

1977-12-20

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

250223R, 250224, 250560, G01B 1104

Patent

active

040638200

ABSTRACT:
A beam of light angularly directed relative to a surface of an object having a dimension to be measured is intercepted by the object, which is moving at a known speed. By knowing the beam angle, the object speed, and the time lapse between the passage of the object past a reference point and the point of beam interception, the dimension of the object is readily determined.

REFERENCES:
patent: 3487226 (1969-12-01), Yetter et al.
patent: 3806253 (1974-04-01), Denton
Pirlet, R., "Measuring of Dimensions of Rolled Products" Conf. Proc. of the International Conf. on Iron & Steel Making, Dusseldorf, Germany, 16-18 Apr. 1970, pp. 31-37.
Pirlet et al., "TV/Laser System Gages Steel Slab Thickness", Instrumentation Technology, 6-1969, pp. 43-47.

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