Electroosmotic flow valve for an electronic device
US12267641B2 · kind B2 · utility
0Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Jun 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable electronic device comprising: an enclosure having an enclosure wall that defines a first chamber, a second chamber and an acoustic opening from the first chamber or the second chamber; and an electroosmotic flow valve operable to open and close the acoustic opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.