Electromagnetic transducer

Details Electromagnetic transducer Electromagnetic transducer

1973-12-12

1976-09-07

Claffy, Kathleen H.

1791155VC, 179120, H04R 718

Patent

active

039795667

ABSTRACT:
An electromagnetic transducer wherein magnetic forces are transmitted via an armature that has an elongated regular, or serpentine, tubular shape, and that is positioned within the air gap of a tubular shaped magnetic rim type structure having the same general overall shape as the armature. When used as an electroacoustic transducer, the armature is secured to the peripheral edge of a diaphragm.

REFERENCES:
patent: 1895071 (1933-01-01), Fanger
patent: 2535757 (1950-12-01), Root
patent: 2540487 (1951-02-01), Mott
patent: 3328537 (1967-06-01), Hecht
patent: 3464514 (1969-09-01), Mochida et al.
patent: 3659124 (1972-04-01), Lathrop
patent: 3660618 (1972-05-01), White
patent: 3686446 (1972-08-01), Manger
patent: 3723779 (1973-03-01), Gillum

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