| 摘要 |
PROBLEM TO BE SOLVED: To ensure high power generation efficiency without taking time and trouble.SOLUTION: The power generator includes: a power generation element 11 whose one end is connected with a vibration source and whose other end 11b is used as a fee end and which generates electric power by vibration of the vibration source; a weight 22 which is mounted to be movable along such a direction as connects one end with the other end 11b of the power generation element 11; movement means 24 that moves the weight 22; a measurement section which measures an output of the power generation element 11; and a control section which controls movement of the weight 22 by the movement means 24 according to an output level of the measured power generation element 11. |
