A motor driving circuit has a driving device (37, 38) for receiving a driving signal and driving a motor based on the driving signal. When the motor is driven, the motor is energized through a first control circuit (32, 33) and a second control circuit (34...

A passenger detection system is presented so that the master control circuit (22) in the system instructs the passenger airbag control circuit (CC) controlling the operation of the airbag (30) designated for the passenger seat to be in the deployable state...