PROBLEM TO BE SOLVED: To provide a display device capable of confirming a person who has dementia, or a person who is bedridden in an early stage, reducing missing or the like, and allowing family members and friends to quickly determine initial change.;SOLUTION: A display device is a simple mark sheet type device in which destinations in 1-10 figures are written in a character plate using a reflection sheet, and a mark bar using a magnet is disposed on his/her destination, and based on the character plate, destination, and change of the behavior, his/her condition and change are determined, and a medical specialist examines him/her.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2016,JPO&INPIT
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