Patent ID: 7484227

Claim:
A disc changer that changes a plurality of discs to reproduce content of a disc, the disc changer comprising: a disc accommodation rack that accommodates a plurality of discs and that is lifted up and moved down within the disc changer; a swing arm that takes out a disc from the disc accommodation rack, and reproduces content recorded on the disc; a drive unit of the swing arm; a position sensor that detects a position of the disc accommodation rack which rises and falls within the disc changer, outputs a predetermined voltage according to the position thereof, and outputs a change of voltage due to the movement of the disc accommodation rack as a result of detection of an oscillation applied to the disc changer; a lifting mechanism that lifts up and moves down the disc accommodation rack; a swing arm operation state detector which detects an operation state of the swing arm; and a temporary stopper that temporarily stops the move operation of the swing arm, when the swing arm operation state detector detects a predetermined state of the swing arm and the oscillation is detected by the position sensor.