Process and apparatus for making a numerical determination of th

Details Process and apparatus for making a numerical determination of th Process and apparatus for making a numerical determination of th

1984-03-27

1986-10-14

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

With color transmitting filter

250227, 356445, G01J 351, G01N 2155

Patent

active

046169334

ABSTRACT:
A coaxial optical fiber bundle assembly (Reference No. 6 in the following Specification and Drawing), carrying emitted light from a light source and received light which has been returned by an object illuminated from said light source, is moved towards the object (Reference No.: 7) to cause the intensity of the received light, as detected by a photo transistor in light emitter-receiver unit (Reference No.: 1), to attain a maximum value which is amplified and held as a display on digital voltmeter (Reference No.: 11). Comparison of the held value with the corresponding held maximum value resulting from a similar determination made of either a different object of the same object after a color change therein or thereof can thus be made on a numerical basis.

REFERENCES:
patent: 3327584 (1967-06-01), Kissinger
patent: 3743429 (1973-07-01), Kawai
patent: 4241738 (1980-12-01), Lubbers et al.
patent: 4278353 (1981-07-01), Ostermayer, Jr.
"Ein beruhrungsloses Remissions Spektral Photometer fur den Bereich von 300 bis 1100 nm" by Kolmel & Kasten, Feinwerktechnik & Messtechnik, vol. 86, No. 6, Aug./Sep. 1978, pp. 273-274.
Product Report "Fiber Optics Scanner Checks Needles" Control Engineering, Sep. 1973, vol. 20, #9, p. 56.

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