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    • 7. 发明授权
    • 자력을 이용한 유영체(遊泳體)가 구비된 광고장치
    • 使用电磁力的广告设备
    • KR1019960005192B1
    • 1996-04-22
    • KR1019940001889
    • 1994-02-02
    • 김관형
    • 김관형
    • G09F11/00
    • An advertising board system illumination and self moving effect comprises a transparent case(200) filled with liquid, swimming bodies(230) that have slightly larger specific weight than that of the liquid and have magnets(231), and electromagnets(221, 222, 223) attached to the outer side of the transparent case. Electric power controlled by relays is supplied to the electromagnets to make the swimming bodies move. The transparent case is composed of an upper tube(210) and a lower tube(220). The upper electromagnet(211) and the lower electromagnet(212) are securely attached respectively to the upper and lower sides of the upper tube, and electromagnets(221, 222, 223,...) are attached to the outer side of the lower tube at regular intervals.
    • 广告板系统照明和自动移动效果包括填充有液体的透明壳体(200),具有比液体稍大的比重的游泳体(230),并具有磁体(231)和电磁体(221,222,422) 223),其附接到透明壳体的外侧。 继电器控制的电力供给电磁铁,使游泳体移动。 透明壳体由上管(210)和下管(220)组成。 上电磁体(211)和下电磁体(212)分别牢固地安装在上管的上侧和下侧,并且电磁体(221,222,223,...)附接到下电极 管定期。