Packaging box
    2.
    外观设计

    公开(公告)号:USD455651S1

    公开(公告)日:2002-04-16

    申请号:US29138290

    申请日:2001-03-09

    申请人: Philip Ma

    设计人: Philip Ma

    Packaging box
    4.
    外观设计

    公开(公告)号:USD461124S1

    公开(公告)日:2002-08-06

    申请号:US29138262

    申请日:2001-03-09

    申请人: Philip Ma

    设计人: Philip Ma

    Toy vehicle
    7.
    外观设计

    公开(公告)号:USD445465S1

    公开(公告)日:2001-07-24

    申请号:US29134250

    申请日:2000-12-18

    申请人: Philip Ma

    设计人: Philip Ma

    Magnetic drawing board apparatus
    10.
    发明授权
    Magnetic drawing board apparatus 失效
    磁力绘图板装置

    公开(公告)号:US06722891B1

    公开(公告)日:2004-04-20

    申请号:US10385710

    申请日:2003-03-12

    申请人: Philip Ma

    发明人: Philip Ma

    IPC分类号: B43L100

    摘要: A magnetic drawing apparatus including image forming means, image erasing means, motion generating means, movement control means and a main housing, wherein: the image forming means include a plurality of magnetic cells which collectively define an image forming surface, the magnetic cell contains a viscous fluid and magnetic powder; the image erasing means include a magnetic image eraser which is adjacent to the image forming means, the magnetic image eraser is connected to the motion generating means and is movable relative to the image forming means; and the movement control means include means for actuating the motion generating means and means for selecting the direction of movement of the magnetic image eraser with respect to the image forming means.

    摘要翻译: 一种磁性绘图装置,包括图像形成装置,图像擦除装置,运动产生装置,运动控制装置和主壳体,其中:图像形成装置包括共同限定图像形成表面的多个磁细胞,磁性细胞包含 粘性流体和磁性粉末;图像擦除装置包括与图像形成装置相邻的磁性图像擦除器,磁性图像擦除器连接到运动产生装置并且可相对于图像形成装置移动; 并且移动控制装置包括用于启动运动产生装置的装置和用于选择磁性图像擦除器相对于图像形成装置的移动方向的装置。