Color measurement system including a digital color sensor and a

Details Color measurement system including a digital color sensor and a Color measurement system including a digital color sensor and a

1997-08-08

2000-05-02

Wachsman, Hal

Data processing: measuring, calibrating, or testing

Calibration or correction system

Sensor or transducer

702 85, 356402, 356408, G01N 2125

Patent

active

060583576

ABSTRACT:
A desktop color measurement system that includes an instrument capable of making color measurements. The system includes a host computer and a digital color sensor (DCS) in communication with the host computer. The DCS includes optical elements for making spectral measurements, and control electronics for controlling the optical elements. In a specific embodiment, the DCS is dedicated to the mechanics of acquiring the raw data. The host computer, which may be a personal computer, performs all the calculations needed to convert raw measurement values into spectral data and other color representations such as tristimulus values and density. This also allows the system to function as a calorimeter and a densitometer as well as a spectrophotometer. The DCS control circuitry includes non-volatile writable storage for information obtained during a factory calibration procedure, which information allows the user to recalibrate the DCS in the field.

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