Diaphragm for loudspeaker, loudspeaker, electronic apparatus, and mobile apparatus
US9877109B2 · kind B2 · utility
0Cited by
0References
17Claims
0Family size
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Key dates
| Filing date | Jul 17, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Sep 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A diaphragm for loudspeaker contains resin and single-crystal diamond powder dispersed in the resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.