发明名称 A PEN
摘要 PURPOSE: A pen including a timer is provided to improve the fairness of a test by setting a time and guiding the pen point into the body of the pen based on the pre-set time. CONSTITUTION: An operational unit(20) with a timer is formed at one side of a pen(10). The pen point is formed in the pen and is guided to be entered in the main body of the pen after a pre-set time is passed. The operational unit is required to be equipped with an actuator in order to set time and control the pen point of the pen according to the pre-set time.
申请公布号 KR20100132652(A) 申请公布日期 2010.12.20
申请号 KR20090051358 申请日期 2009.06.10
申请人 KIM, CHANG MOK 发明人 KIM, CHANG MOK
分类号 B43K29/087 主分类号 B43K29/087
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