Octave subdivided diatonic scale organizer

Details Octave subdivided diatonic scale organizer Octave subdivided diatonic scale organizer

1979-08-20

1981-03-10

Franklin, Lawrence R.

Music

Accessories

Teaching devices

84479A, G10G 102

Patent

active

042546869

ABSTRACT:
The invention is in the field of musical learning and playing devices, and particularly relates to keyboard instruments. A plurality of cards are provided each of which defines a forward pocket and each of which spans an octave on the keyboard. These cards are positioned adjacent to one another across the breadth of the keyboard, and a second group of insert cards are inserted into the pockets defined by the first cards. These second cards may be one of several types, but in any event they display indicia which register with keys on the keyboard, and each of these cards also includes a laterally extended tab which engages the adjacent card by overlapping same so that the entire line of cards is stationary as a unit rather than being completely separate. The indicia on the insert cards may be scale tones identifying a chord, or the notes on a musical staff, but in either case the presence of the fixed octave-spanning cards and the varied insert cards clarifies the superimposition of the structure of written music on the octave structure.

REFERENCES:
patent: Re24195 (1956-08-01), Wallace
patent: 3101023 (1963-08-01), Weis
patent: 3350973 (1967-11-01), Weis et al.

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