Planar diaphragm

Details Planar diaphragm Planar diaphragm

1975-11-26

1977-01-18

Tomsky, Stephen J.

Acoustics

Diaphragm

Particular shape

181167, 181174, 179181F, G10K 1300, H04R 700

Patent

active

040034496

ABSTRACT:
A planar diaphragm, preferably for loudspeakers where, on the rear face side there is an asymmetrically shaped sound producing portion, surrounded by marginal and channel shaped portions to assure that sound waves generated by said sound producing portion will not trespass said portion, and said marginal portion is provided plugs of different density than said diaphragm, to modify the vibratory characteristic of the sound producing portion and thereby improve the response curve.

REFERENCES:
patent: 3464514 (1969-09-01), Mochida et al.
patent: 3718779 (1973-02-01), Schoengold
patent: 3722617 (1973-03-01), Bertagni
patent: 3767005 (1973-10-01), Bertagni
patent: 3779336 (1973-12-01), Bertagni

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