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Position:Automotive Safety

The active safety of automobile safety piece

From;    Author:Stand originally

   Rainfall sensor

Rainfall sensor hides at the back of advanced windscreen glass, the volume that it can measure according to falling in the rainwater on glass will adjust the movement that rain brushs, decreased to drive greatly consequently the person's trouble.

Rainfall sensor is not block a behavioral speed that will alternate rain is brushed finitely with a few, the behavioral speed that brushs to rain however does stepless adjustment. The glow diode that it has a LED that be called is in charge of sending far infrared ray, when vitreous surface is dry, the light is 100% ground are reflexed to come back almost, such photoelectricity diode can receive a lot of reflex lines. The rain on glass is more, reflex the light that come back less, its are rain brushs a movement as a result faster.

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