Audio speaking having an electrostatic membrane pump and methods to use same
US9313580B2 · kind B2 · utility
1Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2014 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Jul 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/38
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved an audio speaker having an electrostatic membrane pump. The electrostatic membrane pump can be an electrostatic graphene membrane pump. The method of making and using the audio speaker having the electrostatic membrane pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.