Dust protection apparatus for flat loudspeakers
US8811634B2 · kind B2 · utility
8Cited by
6References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2010 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | May 28, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for fabricating flat loudspeakers comprising manufacturing a flat loudspeaker including at least one microspeaker array, having first and second main surfaces; and covering at least one of the main surfaces of the loudspeaker with a cover member including an airtight sound-pressure wave transparent thin polymer film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.