G - Physics – 09 – B
Patent
G - Physics
09
B
58/21, 35/30
G09B 15/00 (2006.01)
Patent
CA 1116846
MUSICAL RHYTHM INDUCTOR ABSTRACT OF THE DISCLOSURE A teaching aid for musicians has a circular disc eccentrically mounted on a motor-driven shaft which is rotatable at a constant, selected speed. The peripheral edge of the disc is eccentrically disposed with respect to the longitudinal axis of the shaft and portions of that edge provide a visual indication of musical rhythm or tempo as the disc rotates. A sounding device is associated with the disc to beat out time and augment the visual indication of tempo with an audible, repetitive sound.
342813
Boisvert Adrien J.
Fetherstonhaugh & Co.
LandOfFree
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