Method and device for detecting drowsiness
US8743193B2 · kind B2 · utility
2Cited by
4References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Sep 16, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/06
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a method and a device for detecting the drowsiness of a driver in a motor vehicle, a drowsiness model is provided to determine a value characterizing the drowsiness of the driver as a function of at least one output quantity of a driver-activity sensor array. Moreover, the device for detecting drowsiness includes a brightness sensor as well as a correction model for correcting the value characterizing the drowsiness of the driver as a function of at least one output quantity of the brightness sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.