Auditory playing device

Details Auditory playing device Auditory playing device

1992-08-28

1994-08-02

Mancene, Gene

Education and demonstration

Question or problem eliciting response

Correctness of response indicated to examine by...

434335, 434327, G09B 700, G09B 300

Patent

active

053340221

ABSTRACT:
A casing which accommodates an electric circuit for generating sounds of different tones or voice sounds has a recess 11 defined in its upper panel and a loudspeaker 12 disposed therein and mounted on the upper panel for reproducing and radiating sounds or voice sounds. A plurality of tone plates can selectively be placed, one at a time, in the recess. Each of the tone plates has dots and a bar code indicative of a sound or voice sound of its own. When one of the tone plates is inserted in the recess, the dots or bar code is detected by a sensor in the recess, and the electric circuit enables the loudspeaker to reproduce and radiate a tone or voice which is indicated by the inserted tone plate.

REFERENCES:
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patent: 3654706 (1972-04-01), Perrella
patent: 4203344 (1980-05-01), Krosnick
patent: 4358278 (1982-11-01), Goldfarb
patent: 4505682 (1985-03-01), Thompson
patent: 4668194 (1987-05-01), Narayanan
patent: 4673357 (1987-06-01), Ito
patent: 4729564 (1988-03-01), Kuna et al.
patent: 5011412 (1991-04-01), Rosenberg
patent: 5055053 (1991-10-01), Nyman

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