In situ offset compensation for pressure sensors
US9131896B2 · kind B2 · utility
2Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2010 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Mar 2, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0247
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pressure sensor having a substrate and a first, deformable membrane, partially supported by the substrate, which generates a first sensor reading when deformed by pressure. A second membrane is contiguous to the first membrane. When the second membrane is energized, it deforms the first membrane to alter the first sensor reading.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.