Tuning pen

Music – Accessories – Teaching devices

Patent

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Details

84456, G10G 104

Patent

active

049844946

ABSTRACT:
This invention is a Tuning Pen which can serve as a writing apparatus and tuning device as well as a device for checking notes of the scale corresponding to a specific key signature. According to the present invention, the pen holder which has a tuning flute mounted thereon includes a bigger cylinder which has key signatures printed thereon and is coupled with a smaller cylinder which has the notes of the scale printed thereon and is covered with a revolving sleeve which has an opening made thereon to display the note of the scale printed on the smaller cylinder.

REFERENCES:
patent: 1859524 (1932-05-01), Nicolet
patent: 2262818 (1941-11-01), Reese
patent: 2526408 (1950-10-01), Posson
patent: 2595153 (1952-04-01), Malmgren
patent: 2777636 (1957-01-01), Weiser
patent: 2792992 (1957-05-01), Ellison
patent: 2958251 (1960-11-01), Calabro
patent: 3001435 (1961-09-01), Duffy et al.
patent: 3123291 (1964-03-01), Madry
patent: 3185016 (1965-05-01), Stinson et al.
patent: 4371278 (1983-02-01), Joo
patent: 4475433 (1984-10-01), Williamson et al.

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