Music – Accessories – Teaching devices
Patent
1980-08-28
1981-12-29
Griffin, Donald A.
Music
Accessories
Teaching devices
G10B 1500
Patent
active
043076491
ABSTRACT:
A slide rule device displays notes and chords of a fretted musical instrument and is used to visualize and teach the operation of instruments such as the pedal steel guitar. The device includes a number of side-by-side slide members positioned in a channeled housing, corresponding to strings on the musical instrument, and which may be moved longitudinally either singly or in groups. Such movement is accomplished by handles, foot peddles, or knee levers and corresponds to the tuning operation of foot peddles or knee levers on an actual pedal steel guitar or the like. Each slide member is returned to a neutral position, which is equivalent to no movement of foot peddles or knee levers, by longitudinal springs secured to the housing after a movement therein, and each has a sequential series of musical notes displayed upon its face corresponding to the notes available on the corresponding string of the simulated musical instrument. An indicator member positioned above the slide members displays those notes the respective strings (slide members) will produce at the corresponding fret (longitudinal position of the indicator) for a specific combination of pedal or lever depressions (slide movements).
REFERENCES:
patent: 3827330 (1974-08-01), Wood
patent: 4175468 (1979-11-01), Whitlock
Fuller Benjamin R.
Griffin Donald A.
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