| 摘要 |
PURPOSE: To provide a motor controller by which the vibration of a scanner is restrained to the minimum and an excellent copied image is obtained. CONSTITUTION: This controller is provided with a vibrational amount measuring means 13 measuring the vibrational amount of the carriage of a scanner or an optical element driven by a stepping motor 11, a vibrational amount storage means 14 storing the vibrational amount measured by the measuring means 13, a memory 15 previously storing control data in accordance with the vibrational amount, and a control means 16 reading out the control data corresponding to the vibrational amount stored in the storage means 14 from the memory 15 and controlling the driving current of the motor 11 based on the data. Thus, even being in an unstable system it is prevented from being influenced by disturbance and secular change. |
