| 摘要 |
<p>PURPOSE:To prevent a car battery's dying due to driver's not putting out the car light by carelessness by constituting the lighting system in such a manner that the power supply to the car lighting device is suspended even if the switch for the car lighting device is turned on, provided that the driver locks the car door when the leaves the car. CONSTITUTION:Both door-lock detecting means 12, which detects that the door on the driver's side is in a locked sate, and a door-condition-detecting means 13, which detects that the door on the driver's side turned from an open state to a closed state, are provided. In addition, an on-off discriminating means 11, which discriminates whether an ignition switch is in an on state or in a closed state, is provided. An electric power disconnecting means 15, which disconnects the power supply from a battery 14 to lighting devices 16 of the vehicle when the said on-off discriminating means 11 detects that the ignition switch is in an off-state and moreover individual detecting means 12 and 13 detect the items as they should be, is provided. Owing to this contrivance, even the driver forgets to put out the cat lighting devices 16, the battery never dies because the power supply to the car lighting devices is suspended as long as the locks the car door when the leaves the car.</p> |
