Radar presence sensor device
US11789136B2 · kind B2 · utility
2Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 18, 2020 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Aug 22, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/0209
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A presence sensor device 8 for a building. The presence sensor device 8 is for detecting persons and includes a first radar sensor 14 and a second radar sensor 20. The first radar sensor 14 is arranged to operate with a first frequency band, a first power consumption, and a first range, with the second radar sensor 20 being arranged to operate with a second frequency band, a second power consumption, and a second range. The first frequency band is lower than the second frequency band and the first range is longer than the second range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.