Optical recording carrier having groove wobble phase changes between subsequent predetermined positions
    1.
    发明授权
    Optical recording carrier having groove wobble phase changes between subsequent predetermined positions 失效
    具有凹槽摆动相位的光记录载体在随后的预定位置之间改变

    公开(公告)号:US06714508B1

    公开(公告)日:2004-03-30

    申请号:US09577546

    申请日:2000-05-24

    IPC分类号: G11B724

    CPC分类号: G11B7/00745 G11B7/007

    摘要: An optical record carrier (1) is provided with tracks having a groove (4) wobbled in a radial direction and predetermined positions (18) along the track. Embossed pits (18) at the predetermined positions represent addressing information. The phase of the wobble near the predetermined positions depends on whether a pit is present (18) on a predetermined position or not (19). The wobble changes phase between each two subsequent predetermined positions of which one on the positions contains no pit and the other position contains a pit.

    摘要翻译: 光学记录载体(1)设置有具有沿径向摆动的凹槽(4)的轨道和沿着轨道的预定位置(18)。 在预定位置处的压纹凹坑(18)表示寻址信息。 在预定位置附近摆动的相位取决于是否在预定位置(19)存在凹坑(18)。 摆动改变了每两个后续预定位置之间的相位,其中位置上的一个不包含凹坑,另一个位置包含凹坑。

    Optical record carrier
    3.
    发明授权
    Optical record carrier 有权
    光记录载体

    公开(公告)号:US06853615B1

    公开(公告)日:2005-02-08

    申请号:US09571458

    申请日:2000-05-16

    CPC分类号: G11B7/007 G11B7/00745

    摘要: An optical record carrier (1) is provided with tracks having a groove (4) wobbled in a transverse direction and predetermined positions (18) along the track. The wobble comprises a substantially monotonous undulation (15). Local excursions (16) of the groove superposed on the undulation at the predetermined positions represent position information, such as addresses. The spatial frequency of the undulation is lower than that of the excursions.

    摘要翻译: 光学记录载体(1)设置有沿横向方向摆动的凹槽(4)和沿着轨道的预定位置(18)的轨道。 摆动包括基本上单调的起伏(15)。 叠加在预定位置的起伏处的凹槽的局部偏移(16)表示诸如地址的位置信息。 起伏的空间频率低于偏移的空间频率。

    Optical record carrier recording method and recording apparatus
    5.
    发明授权
    Optical record carrier recording method and recording apparatus 失效
    光记录载体记录方法和记录装置

    公开(公告)号:US07330415B2

    公开(公告)日:2008-02-12

    申请号:US10495286

    申请日:2002-10-18

    IPC分类号: G11B7/00

    摘要: In an optical record carrier recording method for forming marks and lands by irradiating a radiation beam onto a recording surface of an optical record carrier, the radiation beam for each mark to be recorded is set to at least one write power level (Pw) capable of forming a mark during a mark period (31) and, for each land between the marks, to at least one bottom power level (P0) incapable of forming a mark during a land period (32). When recording a wobble signal on the record carrier, in order to achieve a better wobble signal-to-noise ratio during writing, the bottom power level (P0) is temporarily raised to an intermediate power level (Pi) during an intermediate period (34). Preferably, the intermediate power level (Pi) is set within a range of from 1.5 to 6, in particular, from 2 to 4, times the bottom power level (P0).

    摘要翻译: 在通过将辐射束照射到光学记录载体的记录表面上来形成标记和平台的光学记录载体记录方法中,要记录的每个标记的辐射束被设置为至少一个写入功率水平(P < 能够在标记周期(31)期间形成标记,并且对于标记之间的每个平台,能够形成不能形成标记的至少一个底部功率水平(P <0> 0 < 在一个土地期间(32)。 当在记录载体上记录摆动信号时,为了在写入期间获得更好的摆动信噪比,底部功率电平(P <0> 0 )暂时升至中间功率电平 在中间周期(34)期间。 优选地,中间功率电平(P SUB)设置在底部功率电平的1.5至6,特别是2至4倍的范围内(P >)。