PURPOSE: a kind of car door opening warning device is provided to increase a warning device, and one door of previous notification is opened, and automobile is parked or stopped to the situation having advertised to the rear portion of vehicle. ;CONSTITUTION: optical sensor detects the door (20) of door operation bar handle beam (30). Optical sensor is connected to the display unit of display device. When door rod is operated, display device (50) is connected to optical sensor and is activated. The display device connects certain time with lamp for emitting sound speaker comprising one. Direction display device and the lamp for marking forward unit on the display unit. ;The 2010 of copyright KIPO submissions
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