Touch sensor alpha-numeric blocks

Details Touch sensor alpha-numeric blocks Touch sensor alpha-numeric blocks

1989-01-31

1990-06-26

Grieb, William H.

Education and demonstration

Audio recording and visual means

Common carrier for visual means and audio recording

434159, 446397, G09B 506

Patent

active

049367803

ABSTRACT:
A series of educational blocks for teaching children the correct sounds of each letter of the English language as well as rudimentry words. Touching or depressing a surface of the block provided with particular indicia thereon would produce a sound corresponding to this indicia. This sound is produced utilizing a solid state memory and an associated speech synthesizer.

REFERENCES:
patent: 491833 (1893-02-01), Bowen
patent: 2315793 (1943-04-01), Jay
patent: 2879685 (1959-03-01), Page
patent: 3087259 (1963-04-01), Orlick et al.
patent: 3101556 (1963-08-01), Di Ponfe
patent: 3382588 (1968-05-01), Serrell et al.
patent: 3460838 (1969-08-01), Greenlee, Jr.
patent: 3491461 (1970-01-01), Echterling
patent: 3768179 (1973-10-01), Woodford et al.
patent: 4651613 (1987-03-01), Harrison
"Synthetic Speech from a $50 Teaching Aid", Popular Science, Mar., 1979, p. 153.

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