Magnetic pickup for stringed musical instrument

Details Magnetic pickup for stringed musical instrument Magnetic pickup for stringed musical instrument

1975-04-11

1977-05-31

Schaefer, Robert K.

Music

Instruments

84 115, G10H 300

Patent

active

040261786

ABSTRACT:
A magnetic pickup for a stringed instrument has one or two coils juxtaposed with the strings each coil having an inner polepiece disposed centrally therein. A single polarity is induced in each inner polepiece by two bar magnets, one at each side of the polepiece externally of the coil. An outer polepiece is magnetically coupled to an outside edge of each of the bar magnets and extends toward the strings. Each polepiece has a preselected shape, with an upper edge which is either continuous, or discontinuous with a plurality of pole legs, one common to each string of the musical instrument. The distance between the pickup and strings is adjustable to select a desired response. When pole legs are used, they are selectable in height by shearing off the distal end of each leg to obtain a selected pickup sensitivity for each string.

REFERENCES:
patent: 2310606 (1943-02-01), Barth
patent: 2327277 (1943-08-01), Lovell
patent: 2896491 (1959-07-01), Lover
patent: 3066567 (1962-12-01), Kelley
patent: 3236930 (1966-02-01), Fender
patent: 3249677 (1966-05-01), Burns et al.
patent: 3571483 (1971-03-01), Davidson
patent: 3715446 (1973-02-01), Kosinski

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