| 摘要 |
PROBLEM TO BE SOLVED: To provide an emergency message device which can message an emergency affair to the following vehicle without a criminal's when it breaks out inside a bus. SOLUTION: The emergency message device is characterized by displaying the emergency affairs as SOS and the emergency by pushing emergency message switches 12 and 13 installed inside the vehicle to an indicator light installed on outside of a body 1 of the bus displaying when passengers get on and off.
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