| 摘要 |
PURPOSE:To facilitate automatic control of sunshade of an automobile equipped with a roof window by detecting intensity of sunshine by a sensor and controlling the sunshade according to the output thereof. CONSTITUTION:The roof window 3 is opened or closed by manually handling a switch 11. When the roof window is opened, the electric power is fed to the automatic control system, and an optical sensor 8 outputs signals depending upon the intensity of sunshine. A comparator 13 compares this output with the output from a point setter 12. When the sensor output exceeds the setpoint, a close signal is input to the control circuit 10, and a motor 7 rotates in reverse direction to close the roof window. With the manual switch 11 kept on, the roof window is opened again when sunshine becomes weak by the open signal output from the comparator 13. With the manual switch 11 off, this automatic opening and closing is not provided. Thus, the automatic control of sunshade is facilitated for persons in the car. |
