Musical light toy

Details Musical light toy Musical light toy

1980-09-29

1982-08-17

Truhe, J. V.

Music

Instruments

84 128, 84DIG19, G10H 306, G10H 303

Patent

active

043443460

ABSTRACT:
A disc having holes in the periphery thereof is moved by successive increments so that the holes are successively brought into alignment with a photocell. The diameters of successive ones of the holes correspond to the pitch of successive tones in a musical selection. A tone generator is employed to develop a tone signal which varies in pitch in accordance with the diameter of the holes in the disc.

REFERENCES:
patent: 3309454 (1967-03-01), Cutler et al.
patent: 3405223 (1968-10-01), Pavia
patent: 3647927 (1972-03-01), Chang et al.
patent: 3800059 (1974-03-01), Pavia
patent: 4018448 (1977-04-01), Di Matteo
patent: 4127049 (1978-11-01), Ichigaya
Skutt, "Lazy Man's Cq-er", QST, Oct. 1961, pp. 62-64.

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