Sensor apparatus
US11674917B2 · kind B2 · utility
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1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2021 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Jun 15, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for determining a presence, a concentration or a change in concentration of a target material in an environment is disclosed. The apparatus comprises first and second sensors configured to respond to the target material. The apparatus further comprises a fluid inlet in fluid communication with the environment, and a valve assembly having a first and second configuration. In the first configuration, the fluid inlet is in fluid communication with only the first sensor. In the second configuration, the fluid inlet is in fluid communication with the first sensor and the second sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.