Solid-state imaging device

Details Solid-state imaging device Solid-state imaging device

2005-07-04

2010-02-23

Lee, John R (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S294000

Reexamination Certificate

active

07667171

ABSTRACT:
In the case where a subject is captured with a high-luminance light, such as sunlight, for a background, a phenomenon that a portion of the high-luminance subject is detected as a no-signal level is prevented. The solid-state imaging device includes: a photoelectric transducer PD which converts incident light to charges; a voltage level detection circuit50in which pixel units10an1and10bn1, each having a voltage conversion amplifying transistor Q13awhich outputs a voltage by converting the charges accumulated in the photoelectric transducer PD, are arranged one-dimensionally or two-dimensionally, and which detects a pixel output voltage outputted from each of the pixel units to the common column signal line Ln; and a column signal processing circuit80which receives a logic output voltage of the voltage level detection circuit50and the pixel output voltage and which outputs a voltage to a horizontal output circuit90. The column signal processing circuit80outputs either a voltage identical to the pixel output voltage or a fixed voltage, depending on the logic output voltage.

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