Patent ID: 6538971
Filing Date: 2003-03-25
Classification: G11B

Abstract:
An optical recording and/or reproducing apparatus to accommodate disc cartridges of at least two different sizes which receive respective discs of different sizes, comprising:a case; a tray mounted to the case and receivable into and withdrawable from the case in a first direction, the tray selectively accommodating the disc cartridges; means for supporting the disc cartridges positioned on the tray according to sizes of the disc cartridges, so as to prevent movement of the disc cartridges on the tray; means for detecting from the disc cartridges the sizes of the disc cartridges positioned on the tray, and states of the respective discs accommodated in the disc cartridges, the means for detecting being moveable in a second direction other than the first direction relative to the tray so as to detect from the disc cartridges; means for rotating the discs in the disc cartridges selectively positioned on the tray; and means for recording information on and/or reproducing the information from the discs rotated by the rotating means.