Membrane plate structure for generating sound waves
US11039252B2 · kind B2 · utility
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11References
18Claims
0Family size
Assignee
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Key dates
| Filing date | May 3, 2017 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | May 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a membrane plate structure for generating sound waves, the membrane plate structure comprises a vibrating element for generating sound waves and a membrane plate which is coupleable to the vibrating element. The membrane plate has a different width with respect to its length, wherein the width is shorter than the length. The membrane plate comprises an UD layer made of fibers, wherein the fibers of the UD layer are oriented along the width of the membrane plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.