Teaching aid having tactile feedback

Details Teaching aid having tactile feedback Teaching aid having tactile feedback

1988-06-20

1989-11-07

Grieb, William H.

Education and demonstration

Language

Alphabet letter formation, recognition, or sequencing

400466, 434 88, 434113, 434167, 434178, D18 24, D18 27, G09B 1700

Patent

active

048788449

ABSTRACT:
A set of characters is provided wherein each character is formed by arranging a number of relatively small like characters in a pattern that presents a filled-in outline of the character. Each of the small like characters are printed by a thermographic process to provide a character which protrudes slightly from the media surface thus providing tactile feedback when the character is touched or traced with a finger.

REFERENCES:
patent: D16374 (1885-11-01), Graham
patent: 335837 (1886-02-01), Peckham
patent: 2075529 (1937-03-01), Leubrie
patent: 3271884 (1966-09-01), Robertson
Thermography Emerges as a Fine Art, by Peter Johnston, Graphic Arts Monthly, Feb. 1982, pp. 48, 49, 55.

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