Electro-acoustic transducer

Details Electro-acoustic transducer Electro-acoustic transducer

1988-10-18

1991-01-01

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181130, 181135, 181158, 381187, H04R 2500

Patent

active

049811940

ABSTRACT:
An electro-acoustic transducer includes a housing enclosing an electro-acoustic transducer device and having an opening by which the diaphragm side of the transducer device is exposed to the outside, and a ring provided to the outer surface of the perimeter of the opening. The outer perimeter of the ring is adapted to be softer and more pliable than the housing.

REFERENCES:
patent: 4403120 (1983-09-01), Yoshimi
patent: 4742887 (1988-05-01), Yamagishi

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