Music box having a generator

Details Music box having a generator Music box having a generator

1988-06-10

1990-01-02

Hix, L. T.

Music

Instruments

Automatic

G10F 106

Patent

active

048905283

ABSTRACT:
A music box having an electricity generating function includes a mechanism for using a stored energy of a spiral spring to drive a drum at an increased speed via a worm shaft, an annular magnet fixed on the worm shaft and an electricity-generating coil opposed to the outer circumferential margin of the magnet to generate electricity in a non-contacting configuration so that the energy of the spiral spring is used to not only play music but also generate electricity.

REFERENCES:
patent: 4557173 (1985-12-01), Isaka
patent: 4777394 (1988-10-01), Hayashi

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