Patent ID: 6580279
Filing Date: 2003-06-17
Classification: G01R,H02J

Abstract:
In combination with an occupant protection system, a test apparatus for testing a storage capacitor for firing a firing pellet of the occupant protection system, the test apparatus comprising:a charge carrier source for charging a storage capacitor; a charging resistor having a resistance connected between said charge carrier source and the storage capacitor; and a measuring device for determining a capacitance of the storage capacitor and having a voltage change acquisition device for determining a voltage change in a capacitor voltage and a charge change acquisition device for determining a charge change in a capacitor charge during the change in voltage, said measuring device further having a control device which initiates a measurement of the voltage change and of the charge change in the storage capacitor during a charging phase of the storage capacitor by said charge carrier source, the charging phase having a varying gradient.