Vehicle rearview mirror system with protocol detection

Details Vehicle rearview mirror system with protocol detection Vehicle rearview mirror system with protocol detection

2006-01-31

2008-08-05

Trieu, Van T. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S461000, C340S463000

Reexamination Certificate

active

07408451

ABSTRACT:
An automatic dimming vehicle mirror system includes an automatic dimming mirror assembly having automatic dimming circuitry. The automatic dimming circuitry includes a mirror control and at least a first silicon-based photo sensor and a second silicon-based photo sensor. The first silicon-based photo sensor is sensitive to both visible light and infrared light. The second silicon-based photo sensor is sensitive principally to infrared light. The mirror control distinguishes headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by the first photo sensor to a signal indicative of light detected by the second photo sensor.

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Commonly assigned U.S. Appl. No. 10/614,234, filed Jul. 7, 2003, entitled Light-Responsive Vehicle Control Such as an Electro-Optic Rearview Mirror System That is Adaptive to Vehicle Configuration.

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