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    • 6. 发明授权
    • Apparatus for discriminating optical recording medium and method for discriminating optical recording medium
    • 鉴别光学记录介质的设备和鉴别光学记录介质的方法
    • US07158459B2
    • 2007-01-02
    • US10512493
    • 2003-04-25
    • Toshikazu HosobuchiTakashi NamiokaYasufumi TakasugiKazuo FukunagaGiichi ShibuyaHideki HirataKazuki Suzawa
    • Toshikazu HosobuchiTakashi NamiokaYasufumi TakasugiKazuo FukunagaGiichi ShibuyaHideki HirataKazuki Suzawa
    • G11B5/58
    • G11B19/12G11B17/04G11B2007/0006
    • It is an object of the present invention to provide an apparatus for discriminating an optical recording medium which can reliably discriminate the kind of an optical recording medium even in the case where the optical recording medium to be discriminated is warped and formed with periodical undulation in the circumferential direction thereof.The apparatus 10 for discriminating an optical recording medium according to the present invention includes a first electrode 11, a second electrode 12, a third electrode 13, a fourth electrode 14, an alternating current signal generation circuit 17 for applying an alternating current signal A to the first electrode 11 and the third electrode 13, a detection circuit 18 for detecting the level of an alternating current signal B1 appearing at the second electrode 12 and the level of an alternating current signal B2 appearing at the fourth electrode 14, a supporting mechanism 15 for supporting the first electrode 11 and the second electrode 12, a supporting mechanism 16 for supporting the third electrode 13 and the fourth electrode 14, a driving mechanism 33 for vertically moving the supporting mechanism 15, a driving mechanism 34 for vertically moving the supporting mechanism 16, and a control circuit 19 for controlling the operations of the alternating current signal generation circuit 17, the detection circuit 18, the driving mechanism 33 and the driving mechanism 34, and a table 19a is provided in the control circuit 19.
    • 本发明的一个目的是提供一种鉴别光学记录介质的装置,即使在待鉴别的光记录介质被弯曲并形成有周期波动的情况下也能够可靠地区分光记录介质的种类 圆周方向。 根据本发明的用于鉴别光学记录介质的装置10包括第一电极11,第二电极12,第三电极13,第四电极14,用于将交流信号A施加到 第一电极11和第三电极13,用于检测出现在第二电极12处的交流信号B 1的电平的检测电路18和出现在第四电极14处的交流信号B 2的电平, 用于支撑第一电极11和第二电极12的机构15,用于支撑第三电极13和第四电极14的支撑机构16,用于垂直移动支撑机构15的驱动机构33,用于垂直移动 支撑机构16,以及用于控制交流信号发生电路的动作的控制电路19 t 17,检测电路18,驱动机构33和驱动机构34以及工作台19a设置在控制电路19中。
    • 8. 发明申请
    • Optical recording medium judgment device and optical recording medium judgment method
    • 光记录介质判断装置和光记录介质判断方法
    • US20050157621A1
    • 2005-07-21
    • US10512493
    • 2003-04-25
    • Toshikazu HosobuchiTakashi NamiokaYasufumi TakasugiKazuo FukunagaGiichi ShibuyaHideki HirataKazuki Suzawa
    • Toshikazu HosobuchiTakashi NamiokaYasufumi TakasugiKazuo FukunagaGiichi ShibuyaHideki HirataKazuki Suzawa
    • G11B7/00G11B7/004G11B17/04G11B19/12G11B5/58
    • G11B19/12G11B17/04G11B2007/0006
    • It is an object of the present invention to provide an apparatus for discriminating an optical recording medium which can reliably discriminate the kind of an optical recording medium even in the case where the optical recording medium to be discriminated is warped and formed with periodical undulation in the circumferential direction thereof. The apparatus 10 for discriminating an optical recording medium according to the present invention includes a first electrode 11, a second electrode 12, a third electrode 13, a fourth electrode 14, an alternating current signal generation circuit 17 for applying an alternating current signal A to the first electrode 11 and the third electrode 13, a detection circuit 18 for detecting the level of an alternating current signal B1 appearing at the second electrode 12 and the level of an alternating current signal B2 appearing at the fourth electrode 14, a supporting mechanism 15 for supporting the first electrode 11 and the second electrode 12, a supporting mechanism 16 for supporting the third electrode 13 and the fourth electrode 14, a driving mechanism 33 for vertically moving the supporting mechanism 15, a driving mechanism 34 for vertically moving the supporting mechanism 16, and a control circuit 19 for controlling the operations of the alternating current signal generation circuit 17, the detection circuit 18, the driving mechanism 33 and the driving mechanism 34, and a table 19a is provided in the control circuit 19.
    • 本发明的目的是提供一种鉴别光学记录介质的装置,即使在待鉴别的光记录介质被弯曲并形成有周期波动的情况下也能够可靠地区分光记录介质的种类 圆周方向。 根据本发明的用于识别光记录介质的装置10包括第一电极11,第二电极12,第三电极13,第四电极14,用于将交流信号A施加到的交流信号产生电路17 第一电极11和第三电极13,用于检测出现在第二电极12处的交流信号B 1的电平的检测电路18和出现在第四电极14处的交流信号B 2的电平, 用于支撑第一电极11和第二电极12的机构15,用于支撑第三电极13和第四电极14的支撑机构16,用于垂直移动支撑机构15的驱动机构33,用于垂直移动 支撑机构16,以及用于控制交流信号发生电路的动作的控制电路19 t 17,检测电路18,驱动机构33和驱动机构34以及工作台19a设置在控制电路19中。