| 摘要 |
PROBLEM TO BE SOLVED: To provide a rechargeable wrist watch using an alternative-current power generator without spoiling fine appearance from the viewpoint of design. SOLUTION: This power generating device composed of at least a rotor, a stator, a coil and a mechanism for rotating the rotor, for converting mechanical energy into electric energy, a rectifier circuit for rectifying alternative- current electromotive force induced in the coil of the power generating device, and the above rectifier circuit are provided. |
