Occupant protective system for automotive vehicles

Land vehicles – Wheeled – Attachment

Patent

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Details

307101, 340436, B60R 2132

Patent

active

050803956

ABSTRACT:
An improved occupant protective system for an automotive vehicle includes an occupant-protecting member, an acceleration sensor for detecting acceleration of the vehicle, an actuator for actuating the occupant-protecting member, and a monitoring device for monitoring potentials of two signal lines connected respectively to the opposite ends of the actuator and having portions thereof extending substantially parallel with each other. One of the signal lines is connected between the acceleration sensor and the actuator. When the vehicle undergoes acceleration having a magnitude greater than a predetermined value, the acceleration sensor operates to cause an increased amount of electric current to flow through the two signal lines to thereby cause the actuator to operate. The improved occupant protective system includes a monitoring line extending parallel with the two signal lines along the portions of the two signal lines extending substantially parallel with each other. The monitoring line has one end thereof being open. A voltage, which is different from the potentials of the two signal lines when the vehicle is normally running, is applied to another end of the monitoring line.

REFERENCES:
patent: 3668627 (1972-06-01), Brainerd
patent: 3863208 (1975-01-01), Balban
patent: 4220871 (1980-09-01), Yasui et al.
patent: 4974874 (1990-12-01), Muraoka
patent: 4987316 (1991-01-01), White et al.

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