Acoustics – Diaphragm – Critically defined material or coating
Patent
1975-08-11
1977-06-14
Tomsky, Stephen J.
Acoustics
Diaphragm
Critically defined material or coating
181166, 181170, G10K 1300, H04R 700
Patent
active
040291715
ABSTRACT:
A diaphragm having a flat multi-layer body with at least one layer of viscoelastic material.
REFERENCES:
patent: 2834424 (1958-05-01), Badmaieff
patent: 3093207 (1963-06-01), Bozak
patent: 3111187 (1963-11-01), Barlow
patent: 3154172 (1964-10-01), Tibbetts
patent: 3285364 (1966-11-01), Cohen
patent: 3586792 (1971-06-01), Gaylord
patent: 3603427 (1971-09-01), Sotome
patent: 3834486 (1974-09-01), Tsuge et al.
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