Music – Instruments
Patent
1976-08-27
1980-01-22
Jackmon, Edith S.
Music
Instruments
84 116, G10H 308
Patent
active
041843991
ABSTRACT:
A magnetic pickup assembly for use with a musical instrument having a plurality of strings, each in magnetic relation with at least one polepiece of a magnetic pickup. The assembly includes means for selectively adjusting the reluctance between a polepiece and its associated string, either of a plurality of polepieces as a unit, or of an individual polepiece relative to its string. The assembly is housed in a casing having acoustic absorptive material surrounding the major portions of the assembly, to provide acoustic isolation from the environment including mechanical vibration of the instrument itself.
REFERENCES:
patent: 2510094 (1950-06-01), Fleury
patent: 2612541 (1952-09-01), DeArmond
patent: 2909092 (1959-10-01), Armond et al.
patent: 3338047 (1967-08-01), Kueffer
patent: 3715446 (1973-02-01), Kosinski
patent: 3916751 (1975-11-01), Stich
patent: 3992972 (1976-11-01), Rickard
patent: 4040321 (1977-08-01), Lover
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