Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1998-04-02
2000-11-28
Nguyen, Tan
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
701 46, 280735, B60R 2122
Patent
active
061546976
ABSTRACT:
A control system for an apparatus for protecting a head portion of a vehicle occupant includes: an air bag device having an air bag body for protecting a head portion of a vehicle occupant which air bag body inflates and unfolds between the head portion of the vehicle occupant and a side portion of a vehicle; a pretensioner which, upon operation, takes up slack of a seat belt fastened to the vehicle occupant; a roll angular velocity sensor for detecting a roll rate of the vehicle in order to determine a roll state of the vehicle; and a control circuit which, when a determined roll state is a predetermined roll state, controls operation of the air bag device and operation of the pretensioner such that the pretensioner is operated before operation of the air bag device. Accordingly, a space for unfolding the air bag body of the air bag device is ensured.
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Nguyen Tan
Toyota Jidosha & Kabushiki Kaisha
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