Method and apparatus for color matching
United States Patent 2540797
US Patent References:
Machine for analyzing curves or graphs
- - 2258859
Electronic equation solver
- - 2454549
Automatic solution of linear simultaneous equations
- - 2455974
Electrical computer
- - 2458697
Computing apparatus
- - 2459106
Machine for analyzing curves or graphs
- - 2258859
Electronic equation solver
- - 2454549
Automatic solution of linear simultaneous equations
- - 2455974
Electrical computer
- - 2458697
Computing apparatus
- - 2459106
Inventors:
Stearns Jr. I, Edwin
Publication Date:
02/06/1951
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Assignee:
AMERICAN CYANAMID CO
Primary Class:
Other Classes:
355/35, 318/639
International Classes:
G01J3/46; G06G7/75; G06G7/00