| 摘要 |
PURPOSE: An assistance unit for a stringed instrument having a self power generating function is provided to charge a charging unit with electricity by rotating a transfer gear and a rotary unit of a generation module. CONSTITUTION: An assistance unit for a stringed instrument having a self power generating function comprises a case, a drive unit(30), a generator module(40), and a charging unit(50). The drive unit is rotatably installed in one side of the case. The generator module generates electromotive force by receiving torque from the drive unit. The charging unit is connected to the generator module and stores the electromotive force. |
