Harmonic conversion wheel

Details Harmonic conversion wheel Harmonic conversion wheel

1980-01-04

1981-12-15

Franklin, Lawrence R.

Music

Accessories

Teaching devices

84471SR, G09B 1502

Patent

active

043053238

ABSTRACT:
A Harmonic Conversion Wheel is disclosed comprising a circular disk, a faceplate and attaching means joined together along a common axis which is the centerpoint of said elements. By rotation of the disk about said axis and proper registration of said disk with the windows positioned in the faceplate, an artist, composer, student of music, performer or arranger has at their disposal a multitude of information regarding the law of intervals and similar musical relationships concerning tonics, chords, scales and notes within a scale. Thus, a person without analogous skills can perform, rearrange, transpose or learn music to the best of his ability while developing his own caliber of musical knowledge and expertise.

REFERENCES:
patent: 854572 (1907-05-01), Fitch
patent: 1804460 (1931-05-01), Cordier
patent: 2649008 (1953-08-01), Bova et al.
patent: 3572205 (1971-03-01), Scholfield

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