| 摘要 |
PROBLEM TO BE SOLVED: To provide a switch for displaying information to be simultaneously read by a plurality of devices present on a plurality of planes in the cartridge of a detachable medium. SOLUTION: A rotary switch 740 rotates around a shaft 741 forming a sharp angle to a lower cartridge surface 720 and a cartridge end 704, and thus first and second display surfaces 742 and 743 are independently accessed by essentially different components present on essentially different planes. These display surfaces are generally orthogonal to each other, a plurality of facets are provided, and each facet includes an information subset. To support this optical reading/writing, the display surface is generally orthogonal to an essentially different reading/writing component. COPYRIGHT: (C)2006,JPO&NCIPI
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