Patent ID: 8291441

Claim:
A storage device to execute at least any one of reading and writing data from and to a portable recording medium, comprising: a first loading tray to comprise a loading surface on which to abut a non-recording surface of said portable recording medium; a second loading tray to comprise a loading surface, parallel with the loading surface of said first loading tray, on which to abut a recording surface of said portable recording medium loaded in the way of being turned in the same direction as that of the recording surface of said portable recording medium loaded into said first loading tray; and an access unit disposed on the side of the recording surface to access the recording surface of said portable recording medium even in such a case that said portable recording medium is loaded into any one of said first loading tray and said second loading tray, wherein the loading surface of the first loading tray and the loading surface of the second loading tray are different in their loading directions.