Stepping motor and System thereof

摘要

A stepping motor according to the present invention includes a housing, a stator assembly which is installed in the housing, a rotor which is rotationally installed in the stator assembly and includes a rotation shaft whose both ends are supported by the housing, and a sensor unit which is installed in the housing and senses the magnetic field of the rotor. Therefore, the stepping motor according to the present invention senses a misstep without the increases of a size and material costs.