Loudspeaker diaphragm and process for producing same

Details Loudspeaker diaphragm and process for producing same Loudspeaker diaphragm and process for producing same

1981-12-02

1983-03-22

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

181167, 181169, 181170, 1563066, 1563073, 1563317, 428246, 428286, 428287, 4284233, 4284237, 4284253, G10K 1300, H04R 700

Patent

active

043776175

ABSTRACT:
A dome-shaped diaphragm for loudspeakers comprising a substrate fabric of synthetic fiber, a poly-urethane elastomer film for giving airtightness to the substrate fabric, and a viscoelastic resin adhesive adhering the fabric and the film together.

REFERENCES:
patent: 2976202 (1961-03-01), Salem et al.
patent: 4116741 (1978-09-01), Thoma et al.
patent: 4140203 (1979-02-01), Niguchi et al.

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