Solid-state image sensing apparatus including a noise...

Details Solid-state image sensing apparatus including a noise... Solid-state image sensing apparatus including a noise...

2006-11-14

2006-11-14

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S241000

Reexamination Certificate

active

07135665

ABSTRACT:
A solid-state image sensing apparatus of an aspect of this invention can appropriately correct the black level of a video signal even when a high-luminance state or spotlight exists. The apparatus includes an effective pixel unit to receive object light, and a light-shielded light-shielded pixel unit to output an optical black level equivalent signal. In addition to the output from the effective pixel unit, one of the output from the light-shielded pixel unit and a predetermined reference voltage is selectively output.

REFERENCES:
patent: 4816917 (1989-03-01), Yamamoto et al.
patent: 6788340 (2004-09-01), Chen et al.
patent: 2002-290841 (2002-10-01), None

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