G - Physics – 09 – B
Patent
G - Physics
09
B
101/1
G09B 21/00 (2006.01)
Patent
CA 1237941
THE REPRESENTATION OF COLOR FOR BLIND PERSONS Abstract of the Disclosure The convention is established and made known to a blind person that a first set of substantially parallel first lines oriented on a substrate in a first direction represents a first color, a second set of substantially parallel second lines oriented on the substrate in a second direction represents a second color and a third set of substantially parallel third lines oriented on the substrate in a third direction represents a third color. The three colors are different from each other and, when mixed together in different combinations, provide other different colors. The three colors may be magenta, cyan and yellow from which green, purple and red can be derived by various combinations of two of the three basic colors and black from all three. The three directions are different from each other, e.g., horizontal, 60° and 120°. In the area of the substrate where color is to be represented, one or more of the three sets of lines oriented in its or their respective direction or directions is or are provided depending on the color to be represented, these lines being constructed and arranged to be capable of being sensed by the fingers of a blind person.
506959
Anczurowski Edward
Sim & Mcburney
LandOfFree
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