Record medium having a track
    93.
    发明授权
    Record medium having a track 失效
    具有轨道的记录介质

    公开(公告)号:US06625106B2

    公开(公告)日:2003-09-23

    申请号:US10158934

    申请日:2002-06-03

    IPC分类号: G11B724

    摘要: An apparatus (C) manufactures an information record medium (DK), which has a track (G, L), on which information is optically recorded. The apparatus is provided with: a track forming device (40, 43, 50) for forming the track; and a transition portion forming device (40, 43, 50) for forming a transition portion (MG) for transiting an irradiation position (SP) of a light beam (LG, LL), which is used for illegally copying the information on the formed track, from an irradiation track (G2), which is irradiated by the light beam, to an adjacent track (G1), which is adjacent to the irradiation track and on which the information is recorded before the information is recorded on the irradiation track, such that the formed transition portion is continuous with the formed track.

    摘要翻译: 一种装置(C)制造具有轨道(G,L)的信息记录介质(DK),信息被光学地记录在其上。 该装置设有:用于形成轨道的轨迹形成装置(40,43,50) 以及用于形成用于过渡光束(LG,LL)的照射位置(SP)的过渡部分(MG))的过渡部分形成装置(40,43,50),用于非法复制形成的信息的信息 将从光束照射的照射轨道(G2)跟踪到与照射轨道相邻的相邻轨道(G1),并且在信息被记录在照射轨迹之前将信息记录在其上, 使得形成的过渡部分与形成的轨道连续。

    Optical disc discriminating system
    94.
    发明授权

    公开(公告)号:US6144625A

    公开(公告)日:2000-11-07

    申请号:US61959

    申请日:1998-04-17

    摘要: An optical disc discriminating system comprises: a tracking error signal generating means adapted to generate a tracking error signal whose amplitude level varies with a groove depth of information tracks on an optical disc; a tracking servo means for directing a laser beam along an information track on the optical disc in accordance with the tracking error signal; a comparator adapted to compare the amplitude level of the tracking error signal supplied from the tracking error signal generating means with a reference level, with a tracking servo loop of the tracking servo means in an opened condition; a discriminating means adapted to discriminate the first and second groups of optical discs in accordance with a result from the comparator.

    Information recording medium
    95.
    发明授权
    Information recording medium 失效
    信息记录介质

    公开(公告)号:US07704580B2

    公开(公告)日:2010-04-27

    申请号:US10588079

    申请日:2005-01-31

    IPC分类号: B32B3/02

    摘要: An information recording medium comprising: a first recording layer in which a first recording track path to record therein record information is formed; and a second recording layer which is laminated on said first recording layer and in which a second recording tack path to record therein the record information is formed in a direction opposite to the first recording track path, in one recording layer of said first and second recording layers, a predetermined area in which focus leading of laser light is performed reflecting the laser light, in the other recording layer of said first and second recording layers, a facing area which faces the predetermined area not reflecting the laser light.

    摘要翻译: 一种信息记录介质,包括:第一记录层,其中形成记录其中的记录信息的第一记录轨道路径; 以及层叠在所述第一记录层上的第二记录层,其中在其中记录记录信息的第二记录粘合路径在与所述第一记录轨迹路径相反的方向上形成在所述第一和第二记录的一个记录层中 在所述第一记录层和第二记录层的另一个记录层中的反射激光的激光聚焦的预定区域面向不反映激光的预定区域的面对区域。

    Information recording medium and information recording/reproducing apparatus
    96.
    发明授权
    Information recording medium and information recording/reproducing apparatus 失效
    信息记录介质和信息记录/再现装置

    公开(公告)号:US07447142B2

    公开(公告)日:2008-11-04

    申请号:US10925143

    申请日:2004-08-25

    IPC分类号: G11B7/00

    CPC分类号: G11B7/24082 G11B7/0053

    摘要: A groove is formed on a master disc. The groove is formed substantially along a spiral standard locus, but a groove position is displaced in a direction crossing the standard locus according to record data. The wobble is determined from a wobble signal. A wobble is formed such that an average value of displacement of the groove position with the standard locus as a reference is zero for each predetermined data unit.

    摘要翻译: 在母盘上形成凹槽。 该槽基本上沿着螺旋标准轨迹形成,但槽位置根据记录数据在与标准轨迹交叉的方向上移位。 摆动由摆动信号确定。 形成摆动,使得以标准轨迹作为基准的槽位置的平均值为每个预定数据单元为零。

    Information recording medium, and information reproducing apparatus and method
    99.
    发明申请
    Information recording medium, and information reproducing apparatus and method 审中-公开
    信息记录介质和信息再现装置和方法

    公开(公告)号:US20050018564A1

    公开(公告)日:2005-01-27

    申请号:US10863515

    申请日:2004-06-09

    摘要: An optical disc has a spiral track. A record mark is formed along the track. Wobble, which is the meandering of the track, is determined from a wobble signal. On the optical disc, the record mark is formed with it displaced according to the wobble signal. The wobble signal is modulated such that a DC offset of the wobble signal is cancelled by a symbol unit of predetermined data. Therefore, in tracking servo upon reproducing, the position of an optical pickup can be converged onto the amplitude center of the wobble in a short time.

    摘要翻译: 光盘具有螺旋轨迹。 沿着轨道形成一条记录标记。 轨道曲折的摆动是由摆动信号决定的。 在光盘上,记录标记形成为根据摆动信号而移位。 调制摆动信号,使得摆动信号的直流偏移由预定数据的符号单元消除。 因此,在再现时跟踪伺服时,光拾取器的位置可以在短时间内会聚到摆动的振幅中心。

    Information recording medium
    100.
    发明申请
    Information recording medium 失效
    信息记录介质

    公开(公告)号:US20070128402A1

    公开(公告)日:2007-06-07

    申请号:US10588079

    申请日:2005-01-31

    IPC分类号: B32B3/02

    摘要: An information recording medium comprising: a first recording layer in which a first recording track path to record therein record information is formed; and a second recording layer which is laminated on said first recording layer and in which a second recording tack path to record therein the record information is formed in a direction opposite to the first recording track path, in one recording layer of said first and second recording layers, a predetermined area in which focus leading of laser light is performed reflecting the laser light, in the other recording layer of said first and second recording layers, a facing area which faces the predetermined area not reflecting the laser light.

    摘要翻译: 一种信息记录介质,包括:第一记录层,其中形成记录其中的记录信息的第一记录轨道路径; 以及层叠在所述第一记录层上的第二记录层,其中在其中记录记录信息的第二记录粘合路径在与所述第一记录轨迹路径相反的方向上形成在所述第一和第二记录的一个记录层中 在所述第一记录层和第二记录层的另一个记录层中的反射激光的激光聚焦的预定区域面向不反映激光的预定区域的面对区域。