Apparatus and method for obtaining average scene intensity...

Details Apparatus and method for obtaining average scene intensity... Apparatus and method for obtaining average scene intensity...

2006-07-25

2006-07-25

Ho, Tuan (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S229100, C348S308000

Reexamination Certificate

active

07081922

ABSTRACT:
An optical sensor array includes an array of pixel circuits. Each pixel circuit includes a photo detector and a voltage supply line. The voltage supply line from each pixel circuit is connected to a common node. A voltage supply input configured to be coupled to a voltage supply and to the common node supplies a voltage to each pixel circuit. A sensing circuit coupled to the common node senses signals from the common node and outputs at least one signal representative of an average intensity of light directed onto the array of pixel circuits.

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patent: 6794627 (2004-09-01), Lyon et al.
patent: 6801258 (2004-10-01), Pain et al.
patent: 2002/0186312 (2002-12-01), Stark

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