Dynamic loudspeaker

Details Dynamic loudspeaker Dynamic loudspeaker

1975-01-20

1976-05-04

Claffy, Kathleen H.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181173, H04R 906

Patent

active

039550559

ABSTRACT:
A dynamic loudspeaker including a dome-type diaphragm having at least one convex surface and another concave surface, contiguous with the convex surface. Specifically, the concave surface is an annular portion surrounding the convex surface.

REFERENCES:
patent: 1918164 (1933-07-01), Woolf et al.

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