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发明授权
US07228554B2 Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method 有权
盒式记录介质和盘形记录介质，包括用于对中的孔，盒，驱动单元和驱动方法

Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method
摘要：
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 medium 100 has a center hole 112 formed on a recording disk 110 and a center hole 121 formed on a center hub 120, so that the recording medium 100 can respond to both an old system driving unit having a centering member coupling with the center hole 112 and a new system driving unit 300 having a second centering member 313 coupling with the center hole 121. 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 member 312 of the new system driving unit 300 and with the centering member of the old system driving unit.
摘要（中）：

本发明的目的是提供一种具有高兼容性并可为用户提供便利的技术。 新的系统记录介质100具有形成在记录盘110上的中心孔112和形成在中心毂120上的中心孔121，使得记录介质100能够响应具有定心构件的旧系统驱动单元， 中心孔112和具有与中心孔121联接的第二定心构件313的新系统驱动单元300。 此外，旧的系统记录介质是提供记录盘的记录介质，记录盘具有并入在具有中心毂的盒中的中心孔，并且具有这样的结构，其中中心孔与新系统驱动的第一定心构件312 单元300和旧系统驱动单元的定心构件。

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