Abstract: A circuit construction comprising a diode and a capacitor is connected to a secondary coil of a thin transformer such as a wire-type transformer. An excitation energy is discharged during a reset time of the transformer, and this excitation energy is accumulated in the capacitor, thereby output voltage is obtained through the capacitor. A direct current output voltages having two outputs is obtained through one transformer. A small volume and a light weight of the transformer, so that a compact and thin power supply apparatus can be obtained. Since a winding ratio of the transformer can be made small, a copper loss of the transformer can be reduced. It is unnecessary to select a higher switching frequency and a manufacturing cost of the power supply apparatus can be reduced.

Abstract: A sunroof driving apparatus includes a motor unit having a forwardly and reversely rotatable motor shaft and an output unit for converting rotation of the motor shaft into opening and closing movements of a sunroof lid. The motor unit and the output unit are disposed away from a roof of a motor vehicle.