Diaphragm for electrodynamic transducer

Details Diaphragm for electrodynamic transducer Diaphragm for electrodynamic transducer

1992-09-25

1994-02-01

Gellner, Michael L.

Acoustics

Diaphragm

Plural dependent diaphragms

181165, G10K 1300

Patent

active

052833976

ABSTRACT:
A diaphragm with moving coil for electrodynamic transducers has in the center thereof a spherically-shaped portion and adjacent to the spherically-shaped portion a toroidally-shaped zone which may be provided with corrugations. An outwardly diverging, truncated cone-shaped collar is placed on the spherically-shaped portion. The collar may be of the same material as the diaphragm. The collar has a circular rim which is mechanically fixedly connected to the spherically-shaped portion. The circular rim of the collar has a smaller diameter than the moving coil.

REFERENCES:
patent: 2845135 (1958-07-01), Cohen et al.
patent: 2852089 (1958-09-01), Cohen et al.
patent: 3940576 (1976-02-01), Schultz
patent: 4122315 (1978-10-01), Schroeder et al.
patent: 4132872 (1979-01-01), Inoue

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