Auto-zeroing absolute pressure sensor
US9116060B2 · kind B2 · utility
2Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2012 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Nov 19, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L7/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
One aspect provides a method including determining that an absolute pressure sensor is not submersed in a fluid; measuring an atmospheric pressure with the absolute pressure sensor to determine an offset pressure measurement; submersing the absolute pressure sensor in a fluid; and measuring pressure with the absolute pressure sensor; wherein a compensated pressure measurement of the fluid is determined. Other embodiments are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.