| 摘要 |
PROBLEM TO BE SOLVED: To provide an occupant protecting device for vehicle capable of properly protecting the vehic occupants by setting the optimal operation threshold value of the protection means for occupants. SOLUTION: The occupant protecting device 10 for vehicle is provided with a occupant protection means 70 for protecting occupants and an impact detection means 50 for detecting the magnitude of impact working on an own vehicle, and activates the occupant protection means when the magnitude of the impact detected by the impact detection means 50 exceeds a prescribed threshold value. The device 10 is further provided with a following distance detection means 60 for detecting the following distance between the own vehicle and a precedent car traveling in front of the own vehicle in the protecting device for occupants, a relative velocity direction means 20 for detecting the relative velocity between the own vehicle and the preceding vehicle, a vehicle state deciding means 30 for deciding the possibility of collision of the own vehicle with the preceding vehicle based on the relative velocity obtained by the following distance obtained by the following distance detection means 60 and the relative velocity obtained by relative velocity detection means 20, and a threshold value changing means 40 for changing the threshold value that activates the occupant protecting means 70 corresponding to the decided results of the vehicle state deciding means 30.
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