Patent ID: 6542453
Filing Date: 2003-04-01
Classification: G11B

Abstract:
A recording medium read device having a loading opening for allowing a recording medium of a smaller and a larger diameter to be loaded therethrough and a read mechanism for reading said recording medium, said device comprising:positioning means for positioning said recording medium loaded into said loading opening to a predetermined position relative to said read mechanism, wherein: said positioning means has a first positioning portion for positioning a recording medium of said smaller diameter and a second positioning portion for positioning a recording medium of said larger diameter in one member; and when a recording medium of said larger diameter is transported, said first positioning portion is retreated from a transport passage for the recording medium of said larger diameter, and wherein: when the medium of the smaller diameter is loaded in the device, said medium of the smaller diameter contacts said first positioning portion and does not contact said second positioning portion; and when the medium of the larger diameter is loaded in the device, said medium of the larger diameter contacts said second positioning portion and does not contact said first positioning portion.