| 摘要 |
PURPOSE: An automatic transmission for a bicycle, which can improve service life of a bicycle, is provided to help the smooth operation of the bicycle driver by indicating a running speed and a shift-gear phase. CONSTITUTION: An automatic transmission for a bicycle comprises an input unit(110), a controller(120), an output unit(130) and a power supply unit(140). The input unit comprises a terminal operation button. The controller commands storage, correction and queue of information. The output unit transfers the command of a user to be performed by the controller. The input unit senses the speed of a bicycle and transfers to the controller. The power supply unit comprises an inner battery. |
