Transducer with improved armature and yoke construction

Details Transducer with improved armature and yoke construction Transducer with improved armature and yoke construction

1971-07-12

1976-01-27

Claffy, Kathleen H.

179119A, H04r 1100

Patent

active

039353982

ABSTRACT:
An electroacoustical transducer of the magnetic armature type having an efficient electromagnetic configuration with the armature being formed integrally with a support yoke. The yoke includes a base from which two arms extend generally parallel to the armature, the two arms engage pole pieces formed of laminations, and the vibrating end of the armature is positioned in the plane of the diaphragm and is connected thereto. The armature may include a boss or gusset adjacent to the contilever end of the armature to stiffen it and thereby raise the resonant frequency of the transducer. A casing is included which is spaced from the yoke and serves as a magnetic shield.

REFERENCES:
patent: 3076062 (1963-01-01), Fener
patent: 3249702 (1966-05-01), Carlson
patent: 3432622 (1969-03-01), Sebesta et al.
patent: 3588383 (1971-06-01), Carlson et al.
patent: 3617653 (1971-11-01), Tibbetts et al.
patent: 3632904 (1972-01-01), Mauz

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