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    • 10. 发明授权
    • Control device for antiglare mirror
    • 防眩光镜控制装置
    • US5469296A
    • 1995-11-21
    • US218640
    • 1994-03-28
    • Kouichi OhnoHideki MiyatakeYutaka Yoshida
    • Kouichi OhnoHideki MiyatakeYutaka Yoshida
    • B60R1/04B60R1/08G02F1/15G02F1/163G02B5/08
    • B60R1/088
    • A control device for controlling an antiglare mirror in vehicles. The inner mirror, which has a gel-type EC cell, reduces its mirror reflectivity as the positive voltage applied thereto increases. A rear light sensor receives the light from behind through the inner mirror. A comparison decision circuit detects the intensity of the light from behind in accordance with the light receiving state of the rear light sensor and an ambient light sensor. A driving circuit applies a positive voltage to the EC cell of the inner mirror so that the light from behind has a predetermined intensity level. A control circuit supplies a negative or positive voltage to outer mirrors in accordance with the positive voltage applied to the inner mirror. The outer mirrors enhances their mirror reflectivity as the negative voltage level applied becomes high and reduces their mirror reflectivity as the positive voltage level applied becomes high.
    • 一种用于控制车辆中防眩光镜的控制装置。 具有凝胶型EC电池的内反射镜随着施加于其上的正电压而降低其镜面反射率。 后灯传感器通过内镜从后面接收光。 比较判定电路根据后方光传感器和环境光传感器的受光状态来检测来自后面的光的强度。 驱动电路向内反射镜的EC单元施加正电压,使得来自后面的光具有预定的强度水平。 控制电路根据施加到内镜的正电压向外反射镜提供负电压或正电压。 随着施加的负电压电平变高,外反射镜增强了其反射率,因为施加的负电压电平变高,并降低了其反射率。