Solid state image sensor with signal line potential...

Details Solid state image sensor with signal line potential... Solid state image sensor with signal line potential...

2005-04-19

2005-04-19

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S302000

Reexamination Certificate

active

06881944

ABSTRACT:
A solid state image sensor includes an imaging circuit, a selection circuit, a signal line and an adjustment circuit. The imaging circuit has a plurality of unit cells including a photo-detection section and a first reference potential generating section which generates a first reference potential. The selection circuit selects the unit cell. The signal line is supplied with a signal potential corresponding to a signal charge from the unit cell in a read-out operation, and supplied with the first reference potential in a reset operation. The adjustment circuit operates in response to an adjustment instruction signal which is asserted in an adjustment operation following the reset operation, and applies a second reference potential to the signal line in accordance with a potential of the signal line.

REFERENCES:
patent: 5717458 (1998-02-01), Yonemoto
patent: 6002435 (1999-12-01), Yamamoto et al.
patent: 6667468 (2003-12-01), Kurosawa et al.
patent: 6677997 (2004-01-01), Kuroda et al.
patent: 2000-287131 (2000-10-01), None

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