Electronic tuning device

Details Electronic tuning device Electronic tuning device

1979-05-21

1981-08-04

Hix, L. T.

Music

Accessories

Tuning devices

84DIG18, 324 79D, G10G 702

Patent

active

042815770

ABSTRACT:
An electronic tuning device provides four different modes of operation. In a first mode, the device sounds one of a plurality of internally generated audio frequency pitch standards that is manually selected by an operator for audible comparison with a note played on the instrument to be tuned. In a second mode, the manually selected, internally generated frequency pitch standard is compared with the note played on the musical instrument to be tuned and any deviation in frequency is visually displayed by a beat frequency indicator. In a third mode, the device automatically tracks an incoming note played on the musical instrument, compares such note with the internally generated frequency pitch standards and sounds the pitch standard that is closest in frequency to the incoming note. In a fourth mode, the incoming musical note is automatically tracked, compared with the internally produced pitch standards and any deviation from the pitch standard closest in frequency is visually displayed by the beat frequency indicator.

REFERENCES:
patent: 3795169 (1974-03-01), Belcher
patent: 3952625 (1976-04-01), Peterson
patent: 4120229 (1978-10-01), Ota
patent: 4123704 (1978-10-01), Johnson

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