Music teaching aid

Details Music teaching aid Music teaching aid

1997-06-13

2000-02-29

Nappi, Robert E.

Music

Accessories

Teaching devices

84471R, 84474, G09B 1500

Patent

active

06031172&

ABSTRACT:
A music teaching aid having a number of reference rings that are positioned so as to have independent rotatable movement on a base member. Depending on the shape of the base member, the reference rings are either substantially coaxial cylindrical sleeves or concentric rings. Each reference ring has an outside surface which is divided into segments each of which displays indicia representing a note of the chromatic scale and which is identifiable by a predetermined color coding system such that when segments of the reference rings are aligned in accordance with the predetermined color coding system, corresponding segments of each successive ring will represent the notes of a non-chromatic scale.

REFERENCES:
patent: 2958251 (1960-11-01), Calabro
patent: 3572205 (1971-03-01), Scholfield
patent: 4134326 (1979-01-01), Hutton
patent: 4305323 (1981-12-01), Granham
patent: 4716806 (1988-01-01), Forrest
patent: 5320020 (1994-06-01), Corley

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