Acoustic galvanic isolation device
US8791624B2 · kind B2 · utility
2Cited by
4References
34Claims
0Family size
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Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | May 19, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B11/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An electroacoustic transducer including a first electrode formed on a substrate capable of transmitting ultrasounds, a membrane formed above the first electrode and separated therefrom by a cavity, a second electrode formed on the membrane, a first insulating layer on the second electrode, and a third electrode formed on the first insulating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.