| 摘要 |
A rollover sensing device includes a detecting unit that includes at least a pair of acceleration sensors which detect an acceleration in an vertical direction, the pair of acceleration sensors being disposed closer to each other on a same board in a lateral direction of a vehicle, an arithmetic processing unit that calculates an angular acceleration and an angular velocity of the vehicle on a basis of an output signal from the detecting unit, and a rollover determining unit that determines whether or not a rollover of the vehicle occurs on a basis of an arithmetic result obtained by the arithmetic processing unit.
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