Method of and device for automatically and instantaneously shift

Details Method of and device for automatically and instantaneously shift Method of and device for automatically and instantaneously shift

1990-05-25

1992-04-21

Hix, L. T.

Music

Accessories

Tuning devices

84DIG18, G10G 702

Patent

active

051057077

ABSTRACT:
A method of automatically and instantaneously shifting the musical scale of a piano is constituted by the steps of gradually changing the tension of the strings or the length of a vibrating portion of strings of the piano for changing the tone of the tension adjusted or vibration length adjusted strings in order to shift the musical scale of the piano to another desired musical scale, simultaneously applying mechanical vibrations to the respective strings at the same frequency as the frequency of the tones required for the respective strings to obtain the desired musical scale, detecting the resonance of the respective strings, and when resonance of the respective strings is detected, discontinuing the change of tension or change of length of the vibrating portion of the strings and application of the mechanical vibrations.

REFERENCES:
patent: 4584923 (1986-04-01), Minnick

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