Method of controlling a vehicle safety device
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United States of America Patent
Stats
-
Dec 12, 1995
Grant Date -
N/A
app pub date -
Sep 20, 1993
filing date -
Sep 25, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control system for a vehicle safety device comprises an operation circuit in which a main switching element, an activator, and a safety switch are connected, in series, to a condenser for accumulating electric power. When a vehicle collision has occurred, the safety switch is turned on and the main switching element is turned on in response to a vehicle collision judgment which is made in accordance with a signal from an acceleration sensor. As a result, electric current is supplied to the activator to activate the vehicle safety device. The main switching element is turned off when a time period where an output of an operation instruction signal for actuating the main switching element and the ON-state of the safety switch are realized reaches a preset time period.
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