Method and apparatus for color measurement of non-solid colors
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United States of America Patent
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Oct 10, 2017
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Aug 6, 2015
filing date -
Feb 9, 2015
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Abstract
In one embodiment, an apparatus for measuring a color of a non-solid colored sample includes an integrating sphere having a sensor port, a sample port, and a plurality of registration marks affixed to an interior surface of the integrating sphere, outside a periphery of the sample port, a camera positioned near the sensor port, and a plurality of filters positioned between the integrating sphere and camera. An optical axis of the camera extends from the camera, through at least one of the plurality of filters, through the sensor port, to the sample port.
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