Vehicle rearview mirror system

Details Vehicle rearview mirror system Vehicle rearview mirror system

2005-07-19

2005-07-19

Sikder, Mohammad (Department: 2872)

Optical: systems and elements

Glare or unwanted light reduction

With mirror

C359S601000, C359S602000, C359S603000, C359S609000

Reexamination Certificate

active

06918674

ABSTRACT:
A vehicle rearview mirror system includes an electro-optic reflective element, an ambient light sensor that is operable to sense ambient light, a glare light sensor that is operable to sense glare light and a circuit that is responsive to the ambient glare light sensors which establishes a reflectance level of the reflective element. The circuit includes a sensor-responsive device and a controller. The sensor-responsive device produces an output that is a function of light sensed by glare and ambient light sensors. The controller connects one of the glare and ambient light sensors at a time with the sensor-responsive device to establish glare and ambient light levels and thereby the reflectance level of the reflective element. The mirror system may include a display operable to project light through the reflective element and may control the intensity of the display as a function of the glare light and ambient light.

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