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    Pneumatic tire including zig-zag subgrooves
    5.
    发明授权
    Pneumatic tire including zig-zag subgrooves 失效
    气动轮胎包括锯齿形的子槽

    公开(公告)号：US5849119A

    公开(公告)日：1998-12-15

    申请号：US651244

    申请日：1996-05-22

    申请人： Masahiro Ishida ,  Sadakazu Takei ,  Toshihiko Suzuki

    发明人： Masahiro Ishida ,  Sadakazu Takei ,  Toshihiko Suzuki

    IPC分类号： B60C11/03 ,  B60C11/04 ,  B60C11/11 ,  B60C11/12 ,  B60C115/00

    CPC分类号： B60C11/12 ,  B60C11/0302 ,  B60C11/0306 ,  B60C2011/0374 ,  B60C2011/0388 ,  Y10S152/03

    摘要： Two or three main grooves, which extend in the circumferential direction of a tire, are provided in the central ground contacting region alone of a tread surface of the tire the rotational direction of which is designated to one direction, and at least one rib extending in the circumferential direction of the tire is formed between the main grooves. A plurality of sub-grooves respectively extending from the both sides of the main grooves outward in the widthwise direction of the tire up to at least the ground contacting ends of the tire are arranged at a predetermined pitch in the circumferential direction of the tire in such a manner that the sub-grooves formed in zigzag lines are inclined with the inner end portions thereof positioned on the forward side with respect to the rotational direction of the tire. The sub-grooves do not communicate with the main grooves but communicate with land portions separated by the sub-grooves. This enables pattern noise to be reduced without spoiling the drainage performance.

    摘要翻译： 在轮胎的轮胎周向上延伸的两个或三个主槽设置在轮胎的胎面表面的单独的中心接地区域中，轮胎的旋转方向被指定为一个方向，并且至少一个肋延伸到 轮胎的圆周方向形成在主槽之间。 在轮胎的圆周方向上分别从轮胎的宽度方向两侧向外延伸至至少轮胎的接地端的多个子槽以轮胎的周向方向以预定的间距布置 以Z字形线形成的副槽部的内端部相对于轮胎的旋转方向位于前侧的方式倾斜。 副沟槽不与主沟槽连通，而是与由子槽分隔的陆地部分连通。 这样可以降低图案噪音，而不会破坏排水性能。

    READING DEVICE AND IMAGE FORMING APPARATUS
    9.
    发明公开
    READING DEVICE AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20230143978A1

    公开(公告)日：2023-05-11

    申请号：US17930114

    申请日：2022-09-07

    申请人： Masahiro Ishida ,  Shogo Nakamoto ,  Takuya Okamoto ,  Hiroki Hamashoji

    发明人： Masahiro Ishida ,  Shogo Nakamoto ,  Takuya Okamoto ,  Hiroki Hamashoji

    IPC分类号： H04N1/00

    CPC分类号： H04N1/00708 ,  H04N1/00737 ,  H04N1/00761 ,  H04N1/00827

    摘要： A reading device includes a carriage movable in a sub-scanning direction, an optical sensor mounted on the carriage, the optical sensor being configured to scan an object placed on a contact glass, a reference scale used as a reference when a dimension of the object is computed based on an image obtained as the optical sensor scans the object, a flat gauge to be scanned by the optical sensor to calculate a corrective value used to correct the image obtained by the optical sensor, and circuitry to calculate the corrective value based on a scanned image including the reference scale and the flat gauge obtained by the optical sensor, and correct, based on the corrective value, a measurement image including an image of the object and an image of the reference scale obtained by the optical sensor and compute the dimension of the object based on the corrected measurement image.