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

Claim 2:
3. The music-playing machine according to claim 2
wherein the stringed instrument comprises a plurality of strings and a fretboard;
wherein each of the plurality of strings is a cord that is attached to the stringed instrument;
wherein each of the plurality of strings is maintained under tension by the stringed instrument;
wherein the tension on each of the plurality of strings is selected such that each of the plurality of strings vibrates at a previously determined frequency;
wherein the number of strings contained in the plurality of strings varies based on the type of stringed instrument being played by the playing device;
wherein the fretboard is a finger board;
wherein the fretboard is positioned beneath the plurality of strings;
wherein the fretboard forms a roughly Euclidean planar surface;
wherein the fretboard is used to change the frequency of vibration of any string selected from the plurality of strings;
wherein the frequency of vibration of any string selected from the plurality of strings is changed by pressing the selected string against the fretboard;
wherein the new frequency of the selected string is adjustable;
wherein the new frequency of the selected string adjusts by changing the position on the fretboard that the selected string is pressed against.