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US 4,228,718 AGranted
Magic chorder
OwnerRobert L. Smithinventor
Life of this patent
Estimating the term…
Abstract
Both finger and foot operated, electrical keyboards supply current through connectors to fret selecting devices which are mounted on fretted, stringed, musical instruments, said devices being guided in an array of note and chord formations so that notes and chords are formed when the devices are activated.
Claims6
A stringed instrument fretting device, comprising:
- body means adapted to be secured to the neck of said instrument;
- a plurlaity of fretting rods located within said body means in string fretting locations;
- electromanetic means for actuating said rods;
- circuit means for selectively activating said electromagnetic means;
- finger-operated switches mounted on said body means and electrically connected with said circuit means for actuating a single rod to fret a single selected note;
- and
- foot-operated switches spaced from said body means but electrically connected with said circuit means for actuating a plurality of said rods to fret selected chords.
4 more elements
Dependencies are inferred from the claim text.