Diaphragm for loudspeaker

Details Diaphragm for loudspeaker Diaphragm for loudspeaker

1989-09-08

1991-10-15

Brown, Brian W.

Acoustics

Diaphragm

Particular shape

381204, G10R 1300, H04K 700

Patent

active

050566172

ABSTRACT:
The positive characteristics of loudspeaker diaphragms are improved by the use of a thermoplastic polyurethane sheet with a thickness of 0.06 to 0.8 mm at least for the moving part (1).

REFERENCES:
patent: 3172498 (1965-03-01), Gorike
patent: 3285364 (1966-11-01), Cohen
patent: 3553392 (1971-01-01), Liebscher
patent: 3578104 (1971-05-01), Sotome
patent: 3586121 (1971-06-01), Sotome
patent: 3612783 (1971-10-01), Schneider
patent: 3862376 (1975-01-01), White
patent: 4190746 (1980-02-01), Harwood et al.

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