System for activating passenger-protecting device mounted on...

Details System for activating passenger-protecting device mounted on... System for activating passenger-protecting device mounted on...

2006-11-14

2006-11-14

Dunn, David R. (Department: 3616)

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

Responsive to sensing of acceleration, deceleration, or tilt...

C280S735000, C701S045000

Reexamination Certificate

active

07134521

ABSTRACT:
Angular velocity in a rolling action of a vehicle is detected by an angular velocity sensor, and a difference between two angular velocities detected in a short time interval is calculated. The calculated angular velocity difference is compared with a predetermined threshold value. If the angular velocity difference is larger than the threshold value, a passenger-protecting device is activated. A rolling angle of the vehicle may be calculated by integrating the detected angular velocity, and a combination of the rolling angle and the angular velocity may be compared with a predetermined threshold. If the combination exceeds the threshold, it is determined that the vehicle is rolling over and the passenger-protecting device is activated.

REFERENCES:
patent: 6038495 (2000-03-01), Schiffmann
patent: 6212455 (2001-04-01), Weaver
patent: 6363306 (2002-03-01), Palmertz et al.
patent: 6611784 (2003-08-01), Tobaru et al.
patent: 6618656 (2003-09-01), Kueblbeck et al.
patent: 6681196 (2004-01-01), Glaser et al.
patent: 6766875 (2004-07-01), Yamamoto
patent: 6832146 (2004-12-01), Ogata et al.
patent: H04-295787 (1992-10-01), None
Office Communication dated Jul. 28, 2006 from Japanese Patent Office for counterpart application of JP 2002-205431.

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