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US 7,350,809 B2Granted
Airbag device and occupant classification device
AssigneeKabushiki Kaisha Toshiba
InventorMieko Matsuda
Life of this patent
Estimating the term…
Abstract
A seating state of an occupant including a presence, absence, and posture of the occupant is accurately determined. The device includes a seat belt provided with marks whose image is to be taken, an imaging portion that takes an image of the marks provided on the seat belt, and a seating state determining portion that determines the seating state of the occupant based on the image of the marks taken by the imaging portion.
Claims15
A device for classifying a seating state of an occupant, comprising:
- a seat belt having a string of labels;
- a camera which takes an image of said string of labels on said seat belt;
- a detector which detects an arrangement pattern of said string of labels on said image;
- and
- an estimator which estimates said seating state of the occupant fastening said seat based on said arrangement pattern.
2 more elements
An airbag device, comprising:
- a seat belt having a string of labels;
- a camera that takes an image of said string of labels on said seat belt;
- an airbag having a mechanism for adjusting its inflation amount or inflation speed;
- a processor;
- and
- a memory accessible from said processor,
- wherein said memory stores program code executed by said processor, said program code including the steps of:
- detecting an arrangement pattern of said string of labels from said image;
- estimating a seating state of an occupant fastening said seat belt based on said detected arrangement pattern;
- and
- controlling the inflation amount or inflation speed of said airbag according to said seating state of the occupant.
8 more elements
Dependencies are inferred from the claim text.