According to one embodiment of the present invention, an electrochromic rearview mirror assembly for a vehicle includes an electrochromic mirror having a variable reflectivity, a glare sensor for sensing levels of light directed towards the front element from the rear of the vehicle, an ambient sensor...http://www.google.com.au/patents/US6700692?utm_source=gb-gplus-sharePatent US6700692 - Electrochromic rearview mirror assembly incorporating a display/signal light
