Fatigue state determination device and fatigue state determination method
US11844613B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 28, 2017 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Mar 2, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7264
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fatigue state determination device and a fatigue state determination method determine a fatigue state of a subject. The fatigue state determination device includes a brain-function activation information provision unit and a fatigue state determination unit. The brain-function activation information provision unit provides brain-function activation information in order to activate a human brain function of a subject. The fatigue state determination unit determines a fatigue state of the subject based on facial-surface change information indicative of a time-series change of facial surface data on the subject while the brain-function activation information is being provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.