Music box

Details Music box Music box

1978-06-01

1980-04-15

Franklin, Lawrence R.

Music

Instruments

Automatic

84 96, G10F 106

Patent

active

041977785

ABSTRACT:
A music box includes a casing molded from synthetic resin material, to which a diaphragm is secured with a metallic resonator plate interposed therebetween. Sound produced by the diaphragm causes a resonance of the plate and additionally of the casing, giving off an amplified, clear sound externally.

REFERENCES:
patent: 1961369 (1934-06-01), Lauter
patent: 2634649 (1953-04-01), Nemeth
patent: 3299763 (1967-01-01), Glass et al.
patent: 3390599 (1968-07-01), Komatsu
patent: 3688626 (1972-09-01), Cotey
patent: 4071364 (1978-01-01), Clark et al.

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