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    Optical recording medium on which information is recorded using train of prepits, and method for reproducing optical recording medium
    31.
    发明授权
    Optical recording medium on which information is recorded using train of prepits, and method for reproducing optical recording medium 有权
    使用预制凹坑序列记录信息的光记录介质，以及再现光记录介质的方法

    公开(公告)号：US08867328B2

    公开(公告)日：2014-10-21

    申请号：US14183183

    申请日：2014-02-18

    申请人： Sharp Kabushiki Kaisha

    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： An 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, an 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： 光记录介质包括：记录了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，提供一种光记录介质，其中记录有介质识别信息的区域和记录有内容信息的区域的磁道间距不同，并且当再现从其中的 媒体识别信息被记录到记录有内容信息的区域。

    Carbon dioxide concentration control device and apparatus
    34.
    发明授权
    Carbon dioxide concentration control device and apparatus 有权

    公开(公告)号：US10232684B2

    公开(公告)日：2019-03-19

    申请号：US15312014

    申请日：2015-05-14

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Hideharu Tajima ,  Takayuki Naka ,  Hirohisa Yamada ,  Masaki Yamamoto

    IPC分类号： B01D53/02 ,  B60H3/06 ,  B01D53/04 ,  B01D53/14

    摘要： A carbon dioxide concentration control device (10) is provided with a control unit (15) that controls an absorption amount of carbon dioxide of a carbon dioxide absorbent (16) per unit hour, and a regeneration control unit (14) that generates the carbon dioxide absorbent (16), and a second drive energy supply unit (13) which is different from a first drive energy supply unit (11) that supplies power to the control unit (15) supplies power to the regeneration control unit (14), and thus a carbon dioxide concentration in a space is controlled to be an appropriate value for long periods of time.

    Optical information recording medium having super-resolution film
    35.
    发明授权
    Optical information recording medium having super-resolution film 有权
    具有超分辨率薄膜的光学信息记录介质

    公开(公告)号：US09105278B2

    公开(公告)日：2015-08-11

    申请号：US14533378

    申请日：2014-11-05

    申请人： Sharp Kabushiki Kaisha ,  Memory-Tech Corporation

    发明人： Hideharu Tajima ,  Go Mori ,  Yasuhiro Harada ,  Masaki Yamamoto ,  Hirohisa Yamada ,  Masahito Konishi

    IPC分类号： G11B7/24 ,  G11B7/013 ,  G11B7/007 ,  G11B7/24085 ,  G11B7/24038 ,  G11B7/24088 ,  G11B7/00 ,  G11B7/26

    CPC分类号： G11B7/005 ,  G11B7/00745 ,  G11B7/013 ,  G11B7/24038 ,  G11B7/24085 ,  G11B7/24088 ,  G11B7/261 ,  G11B20/1012 ,  G11B2007/0013 ,  G11B2007/0133

    摘要： An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.

    摘要翻译： 光信息记录介质具有第一信息记录层（20）和第二信息记录层（40），每个信息记录层包括：（i）一组构成标记（32,52）的预凹坑（31,51）和空间 （33,53）和（ii）超分辨率胶片（23,43），所述标记（32,52）和所述空间（33,53）具有不同的长度，最小标记的平均长度在 长度和长度最小的最小空间小于或等于用于再现记录在第一信息记录层（20）和第二信息记录层（40）上的信息的再现光学系统的分辨率限制，该组 形成预凹坑（31,51），使得用于再现光学系统的推挽信号再现由该凹坑组记录的信息的极性是负的。 这提供了基于超分辨率技术的便宜且大容量的多层光学信息记录介质。