Planar diaphragm and supporting frame assembly

Details Planar diaphragm and supporting frame assembly Planar diaphragm and supporting frame assembly

1978-12-21

1980-01-22

Tomsky, Stephen J.

Acoustics

Diaphragm

Mounting or suspension means

181174, G10K 1300, H04R 700

Patent

active

041845633

ABSTRACT:
A substantially planar diaphragm and supporting frame assembly, preferably for loudspeakers, where on the rear face side of said diaphragm there is an asymmetrically shaped sound producing portion defining the central portion of said diaphragm, which central portion is surrounded by a marginal portion including spaced-apart teeth-like projections which define the periphery of said marginal portion and an endless channel in said marginal portion between said teeth-like projections and said central portion, a resilient cushion-like damping washer having two opposite faces one of which is linked to said teeth-like projections and the other face being linked to said supporting frame, and said washer having blind cuts on said other face, at least in those portions which are located in-between said spaced-apart teeth-like projections.

REFERENCES:
patent: 3596733 (1971-08-01), Bertagni
patent: 3767005 (1973-10-01), Bertagni
patent: 4003449 (1977-01-01), Bertagni

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