Color computer wheel

Details Color computer wheel Color computer wheel

1981-07-23

1983-08-16

Fuller, Benjamin R.

Registers

Calculators

Single axis

235 88R, 434102, 434104, G06C 2700

Patent

active

043993532

ABSTRACT:
A color computer wheel includes a white base member upon which four concentrically arranged discs are rotatably mounted by a central fastener, the discs decreasing in diameter from bottom to top and being made of a transparent sheet material. The top disc carries four concentric annular bands, each evenly divided into radial spaces. The three lower discs are each dedicated to a single primary color, and carry color bands arranged to register with the bands of the topmost disc, the color bands being divided evenly into radial spaces with progressive color shades thereon. The peripheries of the four discs carry legend strips, which identify the percentage of color in the radial spaces in alignment therewith.

REFERENCES:
patent: 1762036 (1930-06-01), Steedle
patent: 2237165 (1941-04-01), Scheuer
patent: 3088227 (1963-05-01), Tudor

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