Rearview assembly for a vehicle including a light sensor...

Details Rearview assembly for a vehicle including a light sensor... Rearview assembly for a vehicle including a light sensor...

2006-08-08

2006-08-08

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C359S601000

Reexamination Certificate

active

07087878

ABSTRACT:
Light sensors having a wide dynamic range are used in a variety of applications. A wide dynamic range light sensor includes an exposed photodiode light transducer accumulating charge in proportion to light incident over an integration period. Sensor logic determines a light integration period prior to the beginning of integration and the charge is reset. Charge accumulated by the exposed light transducer over the light integration period is measured and a pulse having a width based on the accumulated charge is determined.

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