Sound activated mobile

Details Sound activated mobile Sound activated mobile

1978-07-31

1980-06-17

Shepperd, John W.

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Motor operated

40457, G09F 1100

Patent

active

042076960

ABSTRACT:
An apparatus for rotating a mobile. The apparatus has a drive means and a sound activated switch, operatively connected to the drive means for activating the latter in response to sound.

REFERENCES:
patent: 1913150 (1933-06-01), Atwater
patent: 2828963 (1958-04-01), Steiner
patent: 2957957 (1960-10-01), Johnson
patent: 2990646 (1961-07-01), Berger
patent: 3444646 (1969-05-01), Domashovetz
patent: 3716756 (1973-02-01), Runge et al.
patent: 3927482 (1975-12-01), Marcus
patent: 4055014 (1977-10-01), Schmidt et al.

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