Apparatus and process for measuring an optical characteristic of

Details Apparatus and process for measuring an optical characteristic of Apparatus and process for measuring an optical characteristic of

1985-12-09

1990-02-13

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

356432, G01N 2101

Patent

active

049001485

ABSTRACT:
An apparatus for measuring an optical characteristic, such as color, of an object having two edges comprises a support for the object, a stop member slideable but releasably secureable to the support in a variety of different positions allowing for variation of the position of the stop member in two dimensions, and an optical instrument for measuring the desired optical characteristic. In use, the two edges of the object to be tested are abutted against two stop surfaces on the stop member and the optical instrument lowered adjacent the object to determine the optical characteristic of a portion of the object beneath the instrument. A number of similar objects can be tested by abutting them in turn against the stop surfaces of the stop member.

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