Calculator for harmonizing colors

Details Calculator for harmonizing colors Calculator for harmonizing colors

1984-05-24

1986-06-10

Frankfort, Charles

Education and demonstration

Visual art or craft, artistic adornment, or color training...

Color display

116309, G09F 900, G09F 1100

Patent

active

045940703

ABSTRACT:
A hand held calculator including a base having basic colors displayed about its margin. A concentric rotatable member is divided into a multitude of different color sectors with each sector including a pure color, a shade thereof, a tone thereof and a tint thereof. A rotatable selection guide includes a pointer for selective positioning over a basic color on the base or over a pure color on the rotatable member, or both a basic and a pure color. The selection guide additionally defines windows and open end areas each of which being registerable with a color sector on the rotatable member. View ports defined by the selection guide each permit viewing of a tone and a tint of different color sectors. Indices on the base and rotatable member indicate incompatibility of certain colors, shades and tones.

REFERENCES:
patent: 1351661 (1920-08-01), Kaufman
patent: 1483529 (1924-02-01), Tanner
patent: 1762036 (1930-06-01), Steedle
patent: 2238316 (1941-04-01), Gaugler
patent: 2512181 (1950-06-01), Spears
patent: 4112594 (1978-09-01), Impastato
patent: 4199877 (1980-04-01), Akiyama

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