Patent ID: 11908437
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC G | IPC G

Claim 3:
4. The music-playing machine according to claim 3
wherein the fretboard further comprises a plurality of frets;
wherein each of the plurality of frets is a raised marking device that is formed in the fretboard;
wherein each of the plurality of frets marks a specific position on the fretboard;
wherein the plurality of frets are used to assist in selecting the frequency of each note played by the plurality of strings;
wherein the number of frets contained in the plurality of frets varies based on the stringed instrument being played by the playing device;
wherein the fretboard further comprises a major axis and a minor axis;
wherein the major axis is the direction parallel to the major axis of the fretboard;
wherein the minor axis is the direction parallel to the minor axis of the fretboard.