Can-measuring densitomer

Details Can-measuring densitomer Can-measuring densitomer

1991-09-23

1993-12-28

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

250223B, G01J 346

Patent

active

052744388

ABSTRACT:
A system for measuring the color quality of rounded objects is disclosed. A stand has a mandrel for holding the object in a fixed position. Preferably, the mandrel includes an expandable bladder mounted for rotation on an axle. The stand has a reflectometer coupled thereto in such a way as to permit angular movement of the densitometer in a fixed plane. The can is clamped in a fixed position between the holding means and the densitometer such that the densitometer is in a fixed radial orientation relative to the surface of the object. Different points on the surface of the object may be measured by rotating and translating the object and/or the reflectometer. Rotational and translation control of positioning can be performed automatically.

REFERENCES:
patent: 4090243 (1978-05-01), Kotera et al.
patent: 5073028 (1991-12-01), Bowden et al.
Sales brochure for Hammamatsu Position-Sensitive Detectors, Oct. 1988.
Sales brochure for UDT 431 X-Y Optical Position Indicator.
Sales brochure for OP-EYE Optical Position Indicator.
Sales brochure for Reticon Image Sensing Products, 1981.
Sales brochure for Cosar Auto Smart Desitometer.
Introduction for Cosar Auto Smart Densitometer.

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