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This is designed to prevent safety accidents that can happen in the subway.
It automatically detects the time of closing the door, when the door opens,
and LEDs in a display lamp change in order. This product aims to prevent passengers from being caught in the subway door, in advance. It would reduce the potential accidents by visualizing the time.
Normally, a subway stops in a station for about ten seconds. This subway signal light is designed to maintain the average time of opening the door.
Hong Ik University
Chungcheongnam-do, South Korea
hong ik university
Seoul, South Korea