Automatic rearview mirror for automotive vehicles

摘要

An improved inside rearview mirror particularly adapted for use with automotive vehicles, the mirror incorporating improved means for detecting and comparing the relative brightness of light forwardly and rearwardly of the vehicle and improved means responding automatically to annoying glare from the rear of the vehicle to move a reflective element from a full reflective mode to a partial reflective mode and also automatically return the reflective element to a full reflective mode after the source of the annoying glare is removed.