Music – Accessories – Teaching devices
Patent
1979-09-17
1981-09-01
Franklin, Lawrence R.
Music
Accessories
Teaching devices
84314R, 84477R, C09B 1500, G10D 306
Patent
active
042864950
ABSTRACT:
An electrical device is disclosed herein for training a student to play a string instrument which includes a first group of visual indicators mounted on the neck of a fret board and each indicator being immediately beneath and in registry with a particular string and fret of the instrument so as to identify therewith. A second group or plurality of visual indicators are mounted on the fret board adjacent the sounding hole in spaced relationship to the first plurality of visual indicators and each one is associated with a particular string to be strummed for a particular musical chord. A plurality of switches is provided for a selection of musical chords and are operably connected to a diode matrix for energizing selected ones of the visual indicators in the first and second groups whereby the energized visual indicator pattern of the first group represents finger placement locations along the neck of the fret board for a selected musical chord and the energized visual indicator pattern of the second group represents appropriate strings to be strummed associated with the selected musical chord. A programming device may be substituted for the switches whereby the visual indicators are sequentially energized to represent a series of chord patterns for the purpose of student practice.
REFERENCES:
patent: 3503296 (1970-03-01), Schmoyer et al.
patent: 3837256 (1974-09-01), Gullickson
patent: 4061072 (1977-12-01), Del Castillo
patent: 4080867 (1978-03-01), Ratanangsu
Franklin Lawrence R.
Marrs Roger A.
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