The present invention comprises a cushion part; a pressure detection part to detect pressure applied to the cushion part; an alarming part to perform an alarm operation; and a control part to control the alarming part to perform again the alarming operation when the pressure detection part detects a pressure within a predetermined time after an alarming operation of the alarming part has stopped.
申请公布号
KR101408114(B1)
申请公布日期
2014.06.19
申请号
KR20130011368
申请日期
2013.01.31
申请人
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
发明人
KWAK, YOON KEUN;KWON, HA RAH;NOH, JAE RIN;KIM, SOO JIN;KIM, HYE WON;ARVIN OMRAN;KIM, YOUNG KEUN;LEE, MIN GU