| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain the portable electronic equipment which can accurately charge its battery even if the battery can not be charged by a commercial power source, etc. SOLUTION: The portable electronic equipment which has the chargeable battery and a charging circuit for the battery and is supposed to use the battery is equipped with an operation device consisting of a pen 1 attached to the equipment and used to operate the equipment through operation including two-dimensional movement and a tablet 6, and also provided with a power generating device which transduces kinetic energy generated by movement with the operation of the above operation device into electric energy and an auxiliary charging circuit which charges the battery with the electric energy obtained by the power generating device.</p> |
