G - Physics – 10 – D
Patent
G - Physics
10
D
84/2, 35/30
G10D 1/00 (2006.01)
Patent
CA 1221256
- 1 - ABSTRACT A"MUSICAL THEORY SLIDE RULE FOR STRINGED INSTRUMENTS" A musical theory slide rule for stringed instruments having a base member 1 with a representation of the neck 3 of the instrument showing the strings 4, frets and colour coded fingering positions. One or more sliding masks 16, 26 are provided, each relating to a specific chord or scale type (e.g. Major Chords) that can be engaged with the base member and moved longitudinally against an index 18, 19 to highlight the fingering positions for the chord or scale shown by the index (e.g. G Major). Chord and scale masks may be used simultaneously to show acceptable combinations. The base member also incorporates calibrations 22, 30 of the chromatic scale and the masks have apertures which reveal only those notes which are contained within the specific chord or scale set on the slide rule. The chromatic scale calibrations are colour coded corresponding to the colour coding of fingering positions on the neck. A pentatonic scale cursor 35 is also described for use in highlighting those notes which can be fingered in the pentatonic scale for any particular setting of the slide rule.
458515
Duffy Anthony M.
Oyen Wiggs Green & Mutala
LandOfFree
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