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    Multi-Format Optical Storage Medium, Optical Pickup, and Optical Read/Write Device
    1.
    发明申请
    Multi-Format Optical Storage Medium, Optical Pickup, and Optical Read/Write Device 有权
    多格式光存储介质，光学拾取器和光读/写器件

    公开(公告)号：US20090034388A1

    公开(公告)日：2009-02-05

    申请号：US11922829

    申请日：2006-05-31

    申请人： Ikuo Nakano ,  Hideharu Tajima ,  Go Mori ,  Masaki Yamamoto ,  Nobuyuki Takamori ,  Michinobu Mieda ,  Masanori Shimo ,  Toshihiko Sakai

    发明人： Ikuo Nakano ,  Hideharu Tajima ,  Go Mori ,  Masaki Yamamoto ,  Nobuyuki Takamori ,  Michinobu Mieda ,  Masanori Shimo ,  Toshihiko Sakai

    IPC分类号： G11B7/00

    CPC分类号： G11B7/13927 ,  G11B7/24038 ,  G11B2007/0006

    摘要： There is provided a storage layer (13) between storage layers (11), (15). The storage layer (13) produces a relatively large spherical aberration for a protection layer thickness error. Information is written to or read from the storage layer (13) with a beam of light having a second wavelength. Information is written to or read from the storage layers (11), (15) with a beam of light having a first wavelength (longer than the second wavelength). Accordingly, a multi-format optical storage medium is realized on which information can be recorded or reproduced with a single objective lens. Also, an optical pickup is realized which is capable of recording or reproducing information on the multi-format optical storage medium.

    摘要翻译： 在存储层（11），（15）之间设置有存储层（13）。 存储层（13）对于保护层厚度误差产生相对较大的球面像差。 用具有第二波长的光束将信息写入或从存储层（13）读取。 用具有第一波长（长于第二波长）的光束将信息写入或从存储层（11），（15）读取。 因此，实现了可以用单个物镜记录或再现信息的多格式光存储介质。 此外，实现了能够在多格式光存储介质上记录或再现信息的光学拾取器。

    Multi-format optical storage medium, optical pickup, and optical read/write device
    2.
    发明授权
    Multi-format optical storage medium, optical pickup, and optical read/write device 有权
    多格式光学存储介质，光学拾取器和光学读/写装置

    公开(公告)号：US07907497B2

    公开(公告)日：2011-03-15

    申请号：US11922829

    申请日：2006-05-31

    申请人： Ikuo Nakano ,  Hideharu Tajima ,  Go Mori ,  Masaki Yamamoto ,  Nobuyuki Takamori ,  Michinobu Mieda ,  Masanori Shimo ,  Toshihiko Sakai

    发明人： Ikuo Nakano ,  Hideharu Tajima ,  Go Mori ,  Masaki Yamamoto ,  Nobuyuki Takamori ,  Michinobu Mieda ,  Masanori Shimo ,  Toshihiko Sakai

    IPC分类号： G11B7/00

    CPC分类号： G11B7/13927 ,  G11B7/24038 ,  G11B2007/0006

    摘要： There is provided a storage layer (13) between storage layers (11), (15). The storage layer (13) produces a relatively large spherical aberration for a protection layer thickness error. Information is written to or read from the storage layer (13) with a beam of light having a second wavelength. Information is written to or read from the storage layers (11), (15) with a beam of light having a first wavelength (longer than the second wavelength). Accordingly, a multi-format optical storage medium is realized on which information can be recorded or reproduced with a single objective lens. Also, an optical pickup is realized which is capable of recording or reproducing information on the multi-format optical storage medium.

    摘要翻译： 在存储层（11），（15）之间设置有存储层（13）。 存储层（13）对于保护层厚度误差产生相对较大的球面像差。 用具有第二波长的光束将信息写入或从存储层（13）读取。 用具有第一波长（长于第二波长）的光束将信息写入或从存储层（11），（15）读取。 因此，实现了可以用单个物镜记录或再现信息的多格式光存储介质。 此外，实现了能够在多格式光存储介质上记录或再现信息的光学拾取器。

    Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method
    8.
    发明授权
    Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method 有权
    超分辨率光记录介质，其上使用预制凹坑序列记录信息，光记录介质再现装置和控制方法

    公开(公告)号：US08223620B2

    公开(公告)日：2012-07-17

    申请号：US12675557

    申请日：2008-08-28

    申请人： Toshihiko Sakai ,  Hirohisa Yamada ,  Masaki Yamamoto ,  Yasuhiro Harada ,  Go Mori ,  Hideharu Tajima ,  Nobuyuki Takamori

    发明人： Toshihiko Sakai ,  Hirohisa Yamada ,  Masaki Yamamoto ,  Yasuhiro Harada ,  Go Mori ,  Hideharu Tajima ,  Nobuyuki Takamori

    IPC分类号： G11B7/24

    CPC分类号： G11B7/007 ,  G11B7/0053 ,  G11B7/00745 ,  G11B7/24 ,  G11B7/24091

    摘要： A super-resolution optical recording medium (10) of the present invention includes: a medium information region (1) on which medium identification information is recorded; a content region (3) on which content information is recorded; and a blank region (2) provided between the medium information region (1) and the content region (3) and in which at least two tracks are provided so as to connect a train of prepits in the medium information region (1) and a train of prepits in the content region (3). No information is recorded on the blank region (2). With this arrangement, the present invention provides a super-resolution optical recording medium in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.

    摘要翻译： 本发明的超分辨率光记录介质（10）包括：记录有介质识别信息的介质信息区域（1）; 内容区域（3），内容信息被记录在其上; 以及设置在介质信息区域（1）和内容区域（3）之间的空白区域（2），并且其中设置有至少两个轨道以便连接介质信息区域（1）中的一列预凹坑和 内容区域（3）中的预制火车线。 没有信息记录在空白区域（2）上。 根据该结构，本发明提供一种超分辨率光记录介质，其中记录了介质识别信息的区域和记录有内容信息的区域在磁道间距上不同，并且当再现时难以出现再现错误 从其中记录有媒体识别信息的区域向内容信息被记录的区域移动。

    Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method
    9.
    发明申请
    Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method 有权
    超分辨率光记录介质，其上使用预制凹坑序列记录信息，光记录介质再现装置和控制方法

    公开(公告)号：US20120236703A1

    公开(公告)日：2012-09-20

    申请号：US13425060

    申请日：2012-03-20

    申请人： Toshihiko Sakai ,  Hirohisa Yamada ,  Masaki Yamamoto ,  Yasuhiro Harada ,  Go Mori ,  Hideharu Tajima ,  Nobuyuki Takamori

    发明人： Toshihiko Sakai ,  Hirohisa Yamada ,  Masaki Yamamoto ,  Yasuhiro Harada ,  Go Mori ,  Hideharu Tajima ,  Nobuyuki Takamori

    IPC分类号： G11B7/24

    CPC分类号： G11B7/007 ,  G11B7/0053 ,  G11B7/00745 ,  G11B7/24 ,  G11B7/24091

    摘要： A super-resolution optical recording medium includes: a medium information region on which medium identification information is recorded; a content region on which content information is recorded; and a blank region provided between the medium information region and the content region and in which at least two tracks are provided so as to connect a train of prepits in the medium information region and a train of prepits in the content region. No information is recorded on the blank region. Thus, a super-resolution optical recording medium is provided in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.

    摘要翻译： 超分辨率光记录介质包括：记录有介质识别信息的介质信息区域; 记录内容信息的内容区域; 以及设置在所述介质信息区域和所述内容区域之间的空白区域，并且其中设置有至少两个轨道，以便连接所述介质信息区域中的一列预凹坑和所述内容区域中的一列预凹坑。 没有信息记录在空白区域。 因此，提供了一种超分辨率光学记录介质，其中记录有介质识别信息的区域和其上记录内容信息的区域在磁道间距上不同，并且当再现从该区域移位时几乎不发生再现错误 将介质识别信息记录在其上记录有内容信息的区域。