Vigilance monitoring system
US6575902B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 26, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jul 26, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2040/0872
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for determining a vigilance state of a subject such as a driver of a vehicle or the like. The apparatus includes means (1 to 11) for monitoring one or more physiological variables such as EEG, EMG and EOG signals associated with the subject. The apparatus also includes means (13 to 16) for deriving from the one or more variables data representing physiological states of the subject corresponding to the or each variable and means (17) for determining from the data with the vigilance state of the subject is below a predetermined threshold. The apparatus may include means for intervening with the control of the vehicle in the event that the vigilance state of the driver is below the predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.