Education and demonstration – Audio recording and visual means – Visual information in book form
Patent
1987-04-02
1988-06-21
Grieb, William H.
Education and demonstration
Audio recording and visual means
Visual information in book form
281 15R, G09B 506
Patent
active
047522305
ABSTRACT:
A picture book including a switch unit mounted on part of the book. The switch unit is arranged in the style of an immitated telephone dial and is provided with a plurality of switching means. The picture book also provides a sound generator having a unit for generating false musical instrumental sound corresponding to activated switching means.
The picture book is further provided with at least one of two kinds of leaves, the one containing a picture to allow the switch unit to be part of a telephone and the other one containing a picture which makes up part of musical instrument.
REFERENCES:
patent: 3964179 (1976-06-01), Bennett
patent: 4642054 (1987-02-01), Wada
Dainippon Kaiga Co., Ltd.
Grieb William H.
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