Acoustics – Diaphragm – Critically defined material or coating
Patent
1985-10-03
1988-02-23
Fuller, Benjamin R.
Acoustics
Diaphragm
Critically defined material or coating
181168, 4283155, G10K 1300, H04R 702
Patent
active
047264438
ABSTRACT:
A diaphragm using a metal material applied with anodic oxide films, in which said metal material contains one of lead compounds, inorganic metal compounds and phosphor compounds at least to a portion in the micropores of the anodic oxide film.
REFERENCES:
patent: 4230539 (1980-10-01), Saruwatari et al.
patent: 4368107 (1983-01-01), Maejima et al.
Fuke Nobuo
Maejima Masatsugu
Saruwatari Koichi
Sogawa Hiroyuki
Ugaji Masana
Fuller Benjamin R.
Sony Corporation and Fujikura Ltd.
LandOfFree
Diaphragm does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Diaphragm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diaphragm will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-598717