| 摘要 |
PURPOSE: A multi-stage control device of an air bag for a vehicle is provided to be equipped plural inflator having different radiating pressures in one air bag, and to operate the air bag in a multi-stage by selectively operating plural inflator by comparing the shock speed of vehicle in an accident. CONSTITUTION: A sensor for detecting a shock detects a speed of shock generated at an accident of a vehicle, and a first and a second inflator radiates different pressures into one air bag. A control unit(20) selectively operates plural inflator by comparing the speed of shock detected from the detection sensor of shock.
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