Diaphragm element arrangement and related method
US10582304B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 12, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Nov 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Diaphragm element arrangements including at least one bistable diaphragm element, which has a first stable state and a second stable state, and corresponding methods are provided. The bistable diaphragm element can be activated above a changeover threshold in order to change over between the first and the second stable state or below the changeover threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.