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    • 1. 发明公开
    • DISK CARTRIDGE, AND DISK RECORDING AND/OR REPRODUCING DEVICE
    • DATENTRÄGERKASSETTEUNDDATENTRÄGERAUFZEICHNUNGS-UND / ODER -WIEDERGABEEINRICHTUNG
    • EP1650762A1
    • 2006-04-26
    • EP04770906.8
    • 2004-07-23
    • SONY CORPORATION
    • Kurita, K., SONY CORPORATIONKanada, T., SONY CORPORATIONYamada, T., SONY EMCS CORPORATION
    • G11B23/03
    • G11B23/0308G11B23/0307G11B23/0316
    • A disc cartridge having rotatably housed an optical disc (2) is disclosed. The disc cartridge includes a main cartridge body unit (5) having an aperture for the head part (13) for exposing a portion of the optical disc to outside across the inner and outer rims of the disc. In one surface of the main cartridge body unit is formed a center opening (12) into which is intruded a turntable (90) for rotationally driving the optical disc. An inner peripheral surface (81) of the center opening operates as a mounting reference plane along the planar direction when mounting the disc cartridge to a recording and/or reproducing apparatus. The rim of the opening of the one surface of the main cartridge body unit operates as a mounting reference surface (82) along the height-wise direction. The main cartridge body unit has an inserting end side into the recording and/or reproducing apparatus formed as a substantially semicircular arcuate section (7) having, as center, the center of the optical disc housed in the main cartridge body unit.
    • 公开了一种具有可旋转地容纳光盘(2)的盘盒。 盘盒包括具有用于头部(13)的孔的主盒体单元(5),用于将光盘的一部分暴露于盘的内轮缘和外轮缘外部。 在主盒体单元的一个表面上形成有一个中心孔(12),入口旋转驱动光盘的转台(90)。 当将盘盒安装到记录和/或再现装置时,中心开口的内周面(81)沿平面方向作为安装基准面工作。 主盒体单元的一个表面的开口的边缘沿着高度方向作为安装基准表面(82)工作。 主盒体单元具有插入到记录和/或再现装置中的插入端侧,该记录和/或再现装置形成为具有作为中心的容纳在主盒体单元中的光盘的中心的大致半圆弧形部分(7)。