Optical metronome

Details Optical metronome Optical metronome

1975-07-08

1976-12-14

Tomsky, Stephen J.

Music

Accessories

Teaching devices

G10B 1500

Patent

active

039968332

ABSTRACT:
Optical metronomes with a spot or column of light shining through the sheet of music simultaneously in all staves or alternatively in all measures utilizing individual lamps, fiber optics, or lamps located in reflecting channels. Lights illuminate successively and are controlled by motor-driven perforated shields, contact arms, or an oscillator and gating circuitry.

REFERENCES:
patent: 3743758 (1973-07-01), Castillo
patent: 3808349 (1974-04-01), Baba et al.
patent: 3818693 (1974-06-01), Allard
patent: 3905269 (1975-09-01), Doerksen et al.

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