Tactile code for the visually impaired and blind

Details Tactile code for the visually impaired and blind Tactile code for the visually impaired and blind

G - Physics

09

B

35/43

G09B 21/00 (2006.01)

Patent

CA 1293856

ABSTRACT A tactile code for use by visually impaired and blind persons comprising embossed alphabet symbols representing the letters of the conventional Roman alphabet and embossed numeral symbols representing the conventional Arabic numerals. All of the alphabet symbols and the numeral symbols comprise at least a frame, and at least some of the alphabet symbols and numeral symbols also comprise an interior portion surrounded by the frame. The alphabet symbols are divided into four regions, the alphabet symbols in the first and third regions having a circular frame and the alphabet symbols in the second and fourth regions having a square frame. Each of the alphabet symbols embodies at least a physical association with its corresponding capital letter of the Roman alphabet. The numeral symbols all have a diamond frame, and each of the numeral symbols embodies at least a logical or physical asso- ciation with its corresponding Arabic numeral. Capital letters of the Roman alphabet are represented by alphabet sym- bols having double frames.

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