Instrument tuner

Details Instrument tuner Instrument tuner

1976-03-19

1978-03-14

Jackmon, E. S.

Music

Accessories

Tuning devices

84464, 84477R, 324 79R, 324 79D, G04B 108, A63J 1700, G09B 1502, G01R 2314

Patent

active

040784690

ABSTRACT:
Display means for electronically generating a visual display of the frequency difference between two frequencies, adaptable for the tuning of musical instruments. In the exemplary body of said adaptation the note from the instrument is picked up through a microphone and fed through electronic means for isolating the fundamental frequency; the frequency and a reference frequency generated by a reference frequency synthesizer are fed into said display means which generates a visual display of the frequency difference between said fundamental frequency and said reference frequency.

REFERENCES:
patent: 2958250 (1960-11-01), Poehler
patent: 3861266 (1975-01-01), Whitaker
patent: 3901120 (1975-08-01), Youngquist
patent: 3982184 (1976-09-01), Sanderson

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