Air bag controller

Details Air bag controller Air bag controller

1997-11-06

1999-07-06

Mai, Lanna

Land vehicles

Wheeled

Attachment

340438, B60R 2132, B60Q 100

Patent

active

059188995

ABSTRACT:
Expansion enable/disable information expressing enable or disable of the expansion of an air bag at an assistant driver's seat is input from a cut-off switch, and the expansion enable/disable information is once retained in a register in a CPU. If an acceleration detected by a G-sensor and applied to a motor vehicle exceeds 2G for example, then any change in the expansion enable/disable information retained in the register of the CPU is inhibited by the CPU itself; and thus a change of the expansion enable/disable information retained in the register is inhibited even though the expansion enable/disable information input to the cut-off switch has been changed by the force majeure during the collision of the motor vehicle. Thus, any erroneous expansion of the air bag by the acceleration can be prevented during collision as long as the expansion inhibit state is continuing.

REFERENCES:
patent: 5085464 (1992-02-01), Behr et al.
patent: 5390951 (1995-02-01), Iyoda
patent: 5416704 (1995-05-01), Takia
patent: 5475269 (1995-12-01), Takeuchi
patent: 5544914 (1996-08-01), Borninski et al.
patent: 5732375 (1998-03-01), Cashler
patent: 5737224 (1998-04-01), Jeenicke et al.
patent: 5788273 (1998-08-01), Jeenicke et al.
patent: 5803491 (1998-09-01), Barnes et al.

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