B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
88/113.11
B60R 1/00 (2006.01) B60R 1/08 (2006.01) B62J 29/00 (2006.01)
Patent
CA 1182315
AUTOMATIC REARVIEW MIRROR FOR AUTOMOTIVE VEHICLES Abstract of the Disclosure 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 respond- ing 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. Brief Summary of the Invention This invention relates to rearview mirrors for automotive vehicles and, more particularly, to an improved inside rearview mirror which is particularly adapted for use with automotive vehicles and which automatically transfers from the full reflectance mode (day) to the partial reflectance mode (night) for glare protection from light emanating from the headlights of vehicles approaching from the rear. Rearview mirrors embodying the present invention utilize a prism type reflective element which is substantially identical to the prism type reflective elements utilized in manually (hand) operated day-night mirrors conventionally provided on modern day automobiles. In general, rearview mirrors embodying the present invention automatically respond to annoying glare from the rear of the vehicle and shift to the partial or low reflectance mode. After the source of the annoying glare is removed, mirrors embodying the present invention automatically return to the full or high reflectance mode without requiring any action on the part of the driver of the vehicle during any portion of the cycle, the power required being
403758
Bauer Frederick T.
Bechtel Jon H.
Gentex Corporation
Ridout & Maybee Llp
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