Portable sensor device with a gas sensor and low-power mode
US9739762B2 · kind B2 · utility
5Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2014 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Sep 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mobile device comprises a CPU operating a display and other user interface circuitry. Further, it comprises a gas sensor as well as a sensor hub connecting the gas sensor and other sensors to the CPU. In order to save power, the device can be brought into a low-power operating mode, where the CPU is idling or switched-off and the gas sensor itself has a low-power and a high-power operating mode. However, even in this low-power operating mode, the sensor hub still monitors for changes of the signal from the gas sensor and wakes the device up if such a change is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.