State detection device
US11561408B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2020 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Apr 17, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/611
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A state detection device includes a camera configured to capture an image of an imaging area where a driver is present, a laser configured to emit light toward the imaging area, and an optical member configured to emit the light of the laser with spreading to a predetermined irradiation area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.