发明名称 OMR CARD FOR CHEAT ACTION PREVENTION
摘要 PURPOSE: An OMR card for preventing cheating is provided to prevent cheating by distinguishing the display of the marking unit with the edge lines of marking unit which is displayed with black. CONSTITUTION: An examination paper display unit(120) includes marking parts(130) is arranged in an item part to displays an examination paper in the item part. The marking unit is formed as edges(131) and a number(133) which is prepared inside the edge part. The edge parts and number are printed in black, black dot, or black spot form. The marking unit includes a sub shade part(135) inside the edge part in which number is located. The inside of a supplementary umbra has the number, the edge part, and the different color.
申请公布号 KR101143579(B1) 申请公布日期 2012.05.11
申请号 KR20100059975 申请日期 2010.06.24
申请人 发明人
分类号 G06K1/12;B42D25/351;G06K1/20 主分类号 G06K1/12
代理机构 代理人
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