Vehicle occupant position sensor utilizing image focus attributes
US6578869B2 · kind B2 · utility
4Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jun 13, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2230/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle occupant sensor apparatus (34) has an imager (36) that gathers an image of an occupant (12). The image has focus attributes. A focal plane associated with the imager (36) is at a distance from the imager. A 2D high-pass filter (42), a multiple frame temporal filter (46), and a position determination component (52) operate to determine position of the occupant (12) relative to the focal plane (38) via use of the focus attributes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.