System for tuning musical instruments

Details System for tuning musical instruments System for tuning musical instruments

1980-12-29

1984-11-13

Witkowski, Stanley J.

Music

Accessories

Tuning devices

84DIG18, 324 78D, 324 80, G10G 702

Patent

active

044818572

ABSTRACT:
A method and apparatus including electronic circuitry for tuning a musical instrument. When a tunable vibratory or frequency producing element of the instrument is actuated, the oscillations thereby created are converted into an electrical signal. This signal is operated upon to eliminate harmonic components and is visually displayed on a readout device as a frequency registered in units of cycles per second for a predetermined period of time. If the vibratory element is actuated again within the predetermined period of time, the frequency of the new signal will be displayed, and if the vibratory element is not actuated again within the predetermined period of time, the display on the readout device will register zero.

REFERENCES:
patent: 3997740 (1976-12-01), Eubank et al.
patent: 4023462 (1977-05-01), Denov et al.
patent: 4175254 (1979-11-01), Manfreda
patent: 4205584 (1980-06-01), Foerst
patent: 4295128 (1981-10-01), Hashemian et al.
patent: 4303979 (1981-12-01), Kato et al.

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