PURPOSE: A power generator is provided to increase generation efficiency by minimizing the volume and size of the device by generating electricity through piezoelectric device and a magnet and an induction coil. ;CONSTITUTION: In a power generator, a piezoelectric device laminating part(10) is formed by laminating a plurality of piezoelectric elements by a certain interval between them. A moving rod(20) has a deformed protrusion by certain interval between the piezoelectric elements and applies a deforming force to the each piezoelectric element. The induction coil(30) is reeled around a moving rod or the internal core of the moving rod and generate an electromotive force through electromagnetic induction when the movable body moving. A magnet part(40) generates electromagnetic induction with the induction coil.;COPYRIGHT KIPO 2011
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