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    • 1. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM
    • 光信息记录介质
    • US20090059778A1
    • 2009-03-05
    • US12182724
    • 2008-07-30
    • Atsuo ShimizuShinichi Kojo
    • Atsuo ShimizuShinichi Kojo
    • G11B7/00
    • G11B7/24G11B7/0053G11B7/24079G11B7/24082Y10T428/21
    • Provided is an optical information recording medium that can be recorded with data with only a special recording apparatus and the recorded data can be read out with a general recording/reproducing apparatus. The optical information recording medium includes a disc-like light-transmissive substrate having a surface provided with a spiral groove WB having a wobble and a land LN between adjacent segments of the groove WB, a light-absorbing layer disposed on the surface of the light-transmissive substrate, and a light reflection layer disposed on the light-absorbing layer. The groove WB has a depth Ds of about 140 nm≦Ds≦155 nm, the light-absorbing layer has a recess with a depth Dd of about 95 nm≦Dd≦105 nm in the groove, and a push-pull signal before recording has a value of about 0.3 or less. The optical information recording medium may include an anti-illegal copy measure.
    • 提供了一种光学信息记录介质,其可以用仅具有特殊记录装置的数据进行记录,并且记录的数据可以用一般的记录/再现装置读出。 光学信息记录介质包括具有摆放摆动的螺旋槽WB的表面的盘状透光性基板和槽WB的相邻区段之间的焊盘LN,配置在光的表面上的光吸收层 透光性基板和配置在光吸收层上的光反射层。 凹槽WB具有约140nm
    • 5. 发明授权
    • Optical information recording medium
    • 光信息记录介质
    • US07936661B2
    • 2011-05-03
    • US12182724
    • 2008-07-30
    • Atsuo ShimizuShinichi Kojo
    • Atsuo ShimizuShinichi Kojo
    • G11B7/00
    • G11B7/24G11B7/0053G11B7/24079G11B7/24082Y10T428/21
    • Provided is an optical information recording medium that can be recorded with data with only a special recording apparatus and the recorded data can be read out with a general recording/reproducing apparatus. The optical information recording medium includes a disc-like light-transmissive substrate having a surface provided with a spiral groove WB having a wobble and a land LN between adjacent segments of the groove WB, a light-absorbing layer disposed on the surface of the light-transmissive substrate, and a light reflection layer disposed on the light-absorbing layer. The groove WB has a depth Ds of about 140 nm≦Ds≦155 nm, the light-absorbing layer has a recess with a depth Dd of about 95 nm≦Dd≦105 nm in the groove, and a push-pull signal before recording has a value of about 0.3 or less. The optical information recording medium may include an anti-illegal copy measure.
    • 提供了一种光学信息记录介质,其可以用仅具有特殊记录装置的数据进行记录,并且记录的数据可以用一般的记录/再现装置读出。 光学信息记录介质包括具有摆放摆动的螺旋槽WB的表面的盘状透光性基板和槽WB的相邻区段之间的焊盘LN,配置在光的表面上的光吸收层 透光性基板和配置在光吸收层上的光反射层。 凹槽WB的深度Ds为约140nm≦̸ Ds≦̸ 155nm,光吸收层具有凹槽,深度Dd在凹槽中为约95nm和nlE; Dd≦̸ 105nm,以及在记录之前的推挽信号 具有约0.3或更小的值。 光学信息记录介质可以包括反非法复制度量。
    • 6. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD FOR OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING DEVICE
    • 光信息记录介质,用于光信息记录介质和光信息记录装置的信息记录方法
    • US20100302924A1
    • 2010-12-02
    • US12744763
    • 2008-10-29
    • Atsuo Shimizu
    • Atsuo Shimizu
    • G11B27/36
    • G11B7/0045G11B7/0053G11B7/00736G11B7/126G11B20/00086G11B20/00173G11B2220/218G11B2220/2537
    • This object aims to propose an optical information recording medium configured to make copyright protection possible, an information recording method for an optical information recording medium and a recording device. An optical information recording medium is proposed to have a recording area available for recording data by laser light, wherein the recording area is provided with a user data area and a management area. The management area written in the optical information recording medium includes a recording format management area provided with information for carrying out operations that identify a format recorded in the user data area, convert the format into a predetermined signal system in accordance with an identified result and record the converted format; a recording condition management area provided with information to make the control of recording conditions of the laser light feasible when the data are recorded at the user recording area; and an authentication identification area provided with information for carrying out an operation that identifies whether or not the optical information recording medium is authenticated by a third party.
    • 本发明的目的在于提出一种能够使版权保护成为可能的光学信息记录介质,用于光学信息记录介质的信息记录方法和记录装置。 建议光信息记录介质具有用于通过激光记录数据的记录区域,其中记录区域设置有用户数据区域和管理区域。 写在光信息记录介质中的管理区包括记录格式管理区,该记录格式管理区具有用于执行识别记录在用户数据区中的格式的操作的信息,根据所识别的结果和记录将格式转换成预定的信号系统 转换格式; 记录条件管理区域,当数据被记录在用户记录区域时,设置有用于控制激光的记录条件的信息的信息; 以及具有用于执行识别光信息记录介质是否被第三方认证的操作的信息的认证识别区域。
    • 8. 发明申请
    • OPTICAL INFORMATION REPRODUCING SYSTEM
    • 光信息再现系统
    • US20090034406A1
    • 2009-02-05
    • US12181223
    • 2008-07-28
    • Atsuo Shimizu
    • Atsuo Shimizu
    • G11B7/00
    • G11B7/0935
    • An optical-information reproducing system is provided, in which the tracking capability of an optical pickup can be increased, and in which the number of occurrences in which the optical pickup fails to track a groove can be reduced, by increasing a gain margin and by ensuring the gain margin. In the optical-information reproducing system, an optical-information recording medium is rotated at a fixed linear velocity of about 3.49 m/s, and the optical pickup is caused to track the groove to irradiate the groove with laser light, whereby information recorded on the optical-information recording medium can be reproduced. A higher-order resonance frequency of the optical pickup that is generated when the optical pickup is caused to track the groove can be made lower than a wobble frequency that is reproduced using the groove without performing rotation control on the optical-information recording medium.
    • 提供了一种光学信息再现系统,其中可以增加光学拾取器的跟踪能力,并且其中可以通过增加增益裕度和通过增加光学拾取器的增益裕度来减少光学拾取器不能跟踪凹槽的出现次数 确保收益幅度。 在光信息再现系统中,光信息记录介质以约3.49m / s的固定线速度旋转,并且使光拾取器跟踪激光照射槽,从而记录在 可以再现光学信息记录介质。 当使光学拾取器跟踪凹槽时产生的光学拾取器的高次谐振频率可以低于使用该凹槽重放的摆动频率,而不对光学信息记录介质进行旋转控制。
    • 9. 发明申请
    • Optical information recording medium and manufacturing method of the same
    • 光信息记录介质及其制造方法
    • US20060083155A1
    • 2006-04-20
    • US11243130
    • 2005-10-04
    • Atsuo ShimizuToru FujiiMasashi SatohIsao Okitsu
    • Atsuo ShimizuToru FujiiMasashi SatohIsao Okitsu
    • G11B7/24
    • G11B7/00736
    • There is provided a new medium structure to record a bar code for copyright protection or the like in an optical information recording medium capable of recording and reproducing information by a laser with respect to a dye. When a laser beam 30 is irradiated and an optical disc 10 is rotation in the direction of an arrow F, the dye of a recording layer is decomposed, a mark piece MA of a bar code 20 is formed, and a substrate is deformed by heat generated by the dye decomposition. Next, the position of the laser beam 30 is shifted to a position where a part overlaps with the mark piece MA, and when the optical disc is similarly rotated in the direction of the arrow F, a mark piece MB is formed to overlap with the mark piece MA. The above processing is repeated, so that the length of a bar is sequentially lengthened, and the bar code with a length along the standard is formed.
    • 提供了一种新的介质结构,用于在能够通过激光相对于染料记录和再现信息的光学信息记录介质中记录用于版权保护等的条形码。 当照射激光束30并且光盘10沿箭头F的方向旋转时,记录层的染料被分解,形成条形码20的标记片MA,并且基板通过热而变形 由染料分解产生。 接下来,激光束30的位置移动到与标记片MA重叠的位置,并且当光盘类似地沿着箭头F的方向旋转时,标记片MB形成为与 标记MA。 重复上述处理,使得条的长度被顺序地延长,并且形成沿着标准的长度的条形码。