Cartridge type recording medium and disk-shaped recording...

Details Cartridge type recording medium and disk-shaped recording... Cartridge type recording medium and disk-shaped recording...

2007-06-05

2007-06-05

Castro, Angel (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

Reexamination Certificate

active

11407114

ABSTRACT:
The object of the present invention is to provide a technology which has high compatibility and can provide users with conveniences. A new system recording medium100has a center hole112formed on a recording disk110and a center hole121formed on a center hub120, so that the recording medium100can respond to both an old system driving unit having a centering member coupling with the center hole112and a new system driving unit300having a second centering member313coupling with the center hole121. Moreover, the old system recording medium is a recording medium providing a recording disk having a center hole incorporated in a cartridge having a center hub, and has a structure where the center hole is coupled both with a first centering member312of the new system driving unit300and with the centering member of the old system driving unit.

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