Electronic musical mobile

Details Electronic musical mobile Electronic musical mobile

1980-06-16

1982-12-14

Hirsch, Paul J.

Card, picture, or sign exhibiting

Changing exhibitor

With electric circuit control

40455, 40473, 46232, 46269, 272 31R, G09F 1100, A63H 3326, A63H 1320

Patent

active

043631819

ABSTRACT:
A mobile is rotated by an energy storage device to which energy is periodically transferred by a motor which is in turn controlled by an electronic circuit. The electronic circuit simultaneously controls a loudspeaker to produce a wide variety of music with variations in tune, tonal quality, key, tempo, and loudness.

REFERENCES:
patent: 1681310 (1928-08-01), Reiner
patent: 1913150 (1933-06-01), Atwater
patent: 2387533 (1945-10-01), Schmucker
patent: 2673087 (1954-03-01), Bacon
patent: 2828963 (1958-04-01), Steiner
patent: 3060628 (1962-10-01), Palmer
patent: 3533489 (1970-10-01), Dinnerstein
patent: 3927482 (1975-12-01), Marcus
patent: 3983647 (1976-10-01), Stubbmann
patent: 4207696 (1980-06-01), Hyman et al.

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