Optical metronome

Details Optical metronome Optical metronome

1976-06-24

1978-01-31

Tomsky, Stephen J.

Music

Accessories

Teaching devices

84478, 84483R, G10B 1500

Patent

active

040709442

ABSTRACT:
An optical lighted metronome has a column of light projected onto a sheet of music by means of individual lamps passing light through lenses with the lights connected to illuminate successively by means of motor-driven contact arms or electronic circuitry.

REFERENCES:
patent: 1571110 (1926-01-01), Ebert et al.
patent: 1664010 (1928-03-01), Welch
patent: 1837944 (1931-12-01), Blum
patent: 2483570 (1949-10-01), Bergey
patent: 3744366 (1973-07-01), DEL Castillo
patent: 3991648 (1976-11-01), Karpowicz

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