Patent ID: 7840974
Filing Date: 2010-11-23
Classification: G11B

Abstract:
1. A disc identification device for identifying a disc inserted into a disc device, comprising: a thickness detection member that is movable in a thickness direction of the disc and comes in contact with an upper face or a lower face of the disc; a disc position detection unit that detects a position of the thickness detection member in the thickness direction; a first lever member that transmits the position of the thickness detection member to the disc position detection unit, the first lever member including a detection part that is detected by the disc position detection unit; and a number-of-discs identification unit that determines whether the number of discs inserted into the disc device is one or plural based on an output of the disc position detection unit, wherein a displacement of the detection part of the first lever member is greater than a displacement of the thickness detection member in the thickness direction when the thickness detection member comes in contact with the upper face or the lower face of the disc.