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    • 29. 发明授权
    • Card including rotatory system optical recording medium
    • 卡包括旋转系统光记录介质
    • US4903256A
    • 1990-02-20
    • US110282
    • 1987-10-20
    • Takashi Nakahara
    • Takashi Nakahara
    • G06K19/02G11B7/0033
    • G06K19/044G06K19/02G11B7/0033
    • A card including a rotatory system optical recording medium, comprises a rotatory system optical recording medium, a case body having a holding space which holds said optical recording medium freely detachably and a protective cover which protects the surface of said optical recording medium held on said case body, said case body being provided with an opening means for the protective cover so that said optical recording medium can be detached from said holding space.A recording and/or reproducing device for a card including a rotatory system optical recording medium comprises a means for releasing from a case body a rotatory system optical recording medium held on the case body having a protective cover by utilizing the opening formed by removal of the protective cover, a means for rotating said optical recording medium and a means for returning said optical recording medium to the holding space after recording and/or reproduction.
    • 一种包括旋转系统光学记录介质的卡,包括旋转系统光学记录介质,具有可自由拆卸地保持所述光学记录介质的保持空间的壳体,以及保护保持在所述壳体上的所述光学记录介质的表面的保护盖 所述壳体设置有用于所述保护盖的开启装置,使得所述光学记录介质可以从所述保持空间分离。 一种用于包括旋转系统光学记录介质的卡的记录和/或再现装置,包括用于通过利用通过移除所述旋转系统光学记录介质形成的开口,从壳体释放保持在具有保护盖的壳体上的旋转系统光学记录介质的装置 保护盖,用于旋转所述光记录介质的装置和用于在记录和/或再现之后将所述光记录介质返回到保持空间的装置。