发明名称 |
PLACARDS STAND CONTROL METHOD |
摘要 |
PURPOSE: A placards stand control method is provided to prevent the damage to a banner due to strong wind by automatically controlling the angle and height of the stand according to wind pressure. CONSTITUTION: Wind pressure is detected in a sensing step(50). The angle and height of a pole stand are controlled according the wind pressure in a controlling step. The angle of the pole stand against the ground is inverse proportion to the height of the top of the pole stand. A lighting device is controlled according to ambient light. The lighting device receives power from a solar generation system and a wind power generation system. |
申请公布号 |
KR20100098880(A) |
申请公布日期 |
2010.09.10 |
申请号 |
KR20090017573 |
申请日期 |
2009.03.02 |
申请人 |
KU, YOUN DU;CHOI, EUN SUK |
发明人 |
KU, YOUN DU;CHOI, EUN SUK |
分类号 |
G09F15/00;G01N7/00;G09F19/02 |
主分类号 |
G09F15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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