Patent ID: 7168737

Claim:
An air bag system provided with a plurality of gas generators, comprising: an electronic control unit connected to a power source and an impact detecting sensor; bus lines including a plurality of loop wires which pass through the electronic control unit, the loop wires supplying and transmitting currents and information; and a plurality of igniters operationally connected to the bus lines at predetermined portions of the bus lines, said plurality of igniters including an igniter provided with a heat generating portion, a priming in contact with the heat generating portion, an integrated circuit, and a capacitor through which a current is supplied to the heat generating portion for igniting the priming, wherein, the current from the capacitor is supplied to the heat generating portion for a time period starting from a point where the current reaches a value corresponding to 5% of the maximum current value to a point where the current reduces to a value corresponding to 5% of the maximum current value, which is within 500 μsec.