Diaphragm

Acoustics – Diaphragm – Critically defined material or coating

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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.

Rate now

     

Profile ID: LFUS-PAI-O-598717

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.