Simulated vibrating string tuner

Details Simulated vibrating string tuner Simulated vibrating string tuner

1978-11-30

1981-02-24

Hix, L. T.

Music

Accessories

Tuning devices

84464A, 84DIG18, 324 79R, G10G 702

Patent

active

042520487

ABSTRACT:
A transducer produces an electrical signal representing the frequency of a tone produced by the vibrating string of a musical instrument. Circuit means convert the electrical signal into a visually perceivable form which moves or appears to move in unison with the vibrating string. The signal from a frequency generator representing the desired frequency operates a strobe light source which is operatively associated with the visual vibrating motion display. When the string is in tune with the pre-selected desired frequency from the generator, the vibratory motion appears to stop and the strobe light or vibrating element appears to stand still.

REFERENCES:
patent: 2514315 (1950-07-01), Dickerson
patent: 2779920 (1957-01-01), Petroff
patent: 3722353 (1973-03-01), Westhaven
patent: 3861266 (1975-01-01), Whitaker
patent: 3901120 (1975-08-01), Youngquist
patent: 4014242 (1977-03-01), Sanderson
patent: 4041783 (1977-08-01), Shimauchi
patent: 4061071 (1977-12-01), Cameron
patent: 4078469 (1978-03-01), Calvin

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