| 摘要 |
PURPOSE: A safety lamp for a bus door is provided to prevent accident in advance when a user gets off the bus by installing a warning lamp in bus door. CONSTITUTION: A pressure sensor is installed on the bottom of bus door. A sensor unit determines whether passengers gets on/off the bus. A warning lamp having a light source is attached to the bus door. The warning lamp is turned on/off through the pressure sensor and a bus bell(1). An operation unit(9) turns on the warning lamp to informing that the passengers get off the bus.
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