| 摘要 |
PURPOSE: An automatic washing device of a vehicle glass is provide to maintain clean state of the glass and to improve convenience of the driver. CONSTITUTION: A light receiving sensor(10) detects intensity of light passing through a windshield glass of automobile. An ECU(20) is provided to calculate the intensity of light into a dust amount. When the calculated value is over a certain value, a signal is sent to a washer liquid injection portion(30) and a wiper driving portion(40). A power supply(50) is provided to supply power to the light receiving sensor and the ECU.
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