Patent ID: 8299746

Claim:
A move-sled-home device for use in an optical disc drive, the move-sled-home device comprising: a processing unit for outputting a control signal; a motor actuator for generating a driving voltage according to the control signal; a sled; a sled motor for generating a driving current according to the driving voltage to move the sled; and a current-detecting unit for receiving the driving current, converting the driving current into an indicating signal, and outputting the indicating signal to the processing unit, wherein during a move-sled-home action, the processing unit realizes a magnitude of the driving current according to the indicating signal, thereby determining whether the move-sled-home action is finished, wherein if the driving current is greater than a threshold current value after the move-sled-home action has been executed for a specified time interval, the move-sled-home action is finished, and if the driving current is smaller than the threshold current value after the move-sled-home action has been executed for the specified time interval, the move-sled-home action is not finished.