Control system for occupant restraint system
First Claim
1. A control system for an occupant restraint system on a vehicle, comprising:
- means for detecting a deceleration of the vehicle;
means for initiating integration of the deceleration to obtain an integrated value when the deceleration exceeds a predetermined first threshold value;
timing means for determining a time difference between a first point of time at which integration of the deceleration is initiated to a second point of time at which the integrated value of the deceleration exceeds a second threshold value;
means for determining an operation timing of the occupant restraint system in accordance with the time difference determined by said timing means;
means for deciding necessity of operation of the occupant restraint system in accordance with the deceleration detected by said deceleration detecting means; and
means for operating the occupant restraint system at the operation timing determined by said operation timing determining means in response to the necessity of operation decided by said necessity deciding means.
1 Assignment
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Accused Products
Abstract
A control system for an occupant restraint system for protecting a vehicle occupant in a vehicle collision. The control system comprises a vehicle deceleration sensor and a microcomputer which is programmed as follows: Integration of a vehicle deceleration from the deceleration sensor is initiated to obtain the integrated value when the deceleration exceeds a threshold level. Additionally, a time (duration) is timed until the integrated value exceeds a threshold value. Then, an operating timing of the occupant restraint system is determined, while necessity of operation of the occupant restraint system is decided in accordance with the vehicle deceleration. When the necessity of the occupant restraint system operation is decided, the occupant restraint system is operated at the above-mentioned operation timing.
28 Citations
7 Claims
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1. A control system for an occupant restraint system on a vehicle, comprising:
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means for detecting a deceleration of the vehicle; means for initiating integration of the deceleration to obtain an integrated value when the deceleration exceeds a predetermined first threshold value; timing means for determining a time difference between a first point of time at which integration of the deceleration is initiated to a second point of time at which the integrated value of the deceleration exceeds a second threshold value; means for determining an operation timing of the occupant restraint system in accordance with the time difference determined by said timing means; means for deciding necessity of operation of the occupant restraint system in accordance with the deceleration detected by said deceleration detecting means; and means for operating the occupant restraint system at the operation timing determined by said operation timing determining means in response to the necessity of operation decided by said necessity deciding means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification