Optical metronome

G - Physics – 09 – B

Patent

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58/21, 35/30

G09B 15/02 (2006.01)

Patent

CA 1079521

ABSTRACT OF THE DISCLOSURE 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.

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