| 摘要 |
PURPOSE:To keep the lighting of a room for a defined time after riding while confirm the incomplete closure of a door immediately after closing said door at the time of getting off an automobile by turning off a door illuminating lamp at the same time said door is closed, whereas, turning off a room lamp after a defined time elapsed. CONSTITUTION:A current which passed through a door switch 4 flows to a door illuminating lamp 3 via a line 3a while also flowing to a room lamp 6 via a line 6a. A delay timer 15 is placed on the upper course side of the room lamp 6 on the line 6a and directly connected to a storage battery 11. When the door switch 4 is closed, a current is sent to the door illuminating lamp 3 and the room lamp 6 via the lines 3a, 6a and both lamps are turned on at the same time a door 1 is opened. When the door 1 is closed and the door switch 4 is opened, the door illuminating lamp 3 is turned off simultaneously. However, the room lamp 6 is turned off after a defined time elapsed due to the delay timer 15. Accordingly, whether the closure of the door after getting off an automobile is incomplete or not can be instantly judged.
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