| 摘要 |
<p>A small lightweight electronic device to indicate the finger positions of a fretted stringed instrument represented by the musical intervals or chords in any key. The device has a series of on-off switches representing each of the desired musical keys and a series of switches representing the individual musical intervals over a desired range. The necessary circuitry is provided between these switches and a display of the frets and strings of the instrument each that the finger positions represented by a chord or series of musical intervals in a selected key are visually indicated on the display. Professional musicians and students or teachers of music for fretted stringed instruments ?, using this device, visualize the location of intervals or chords of any key.</p> |
