The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2016
Filed:
Jun. 17, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/335 (2011.01); H03F 3/45 (2006.01); H04N 5/232 (2006.01); H04N 5/378 (2011.01);
U.S. Cl.
CPC ...
H04N 5/335 (2013.01); H03F 3/45179 (2013.01); H04N 5/23245 (2013.01); H04N 5/378 (2013.01); H03F 2203/45101 (2013.01);
Abstract
A readout circuit includes: an amplifier (); and offset controllers (and) configured to set an output offset voltage of the amplifier, wherein the readout circuit operates in first and second modes, in the first mode, a first voltage, and thereafter a second voltage lower than the first voltage, are input into the amplifier, in the second mode, a third voltage, and thereafter a fourth voltage higher than the third voltage, are input into the amplifier, and the offset controller switches the output offset voltage of the amplifier, between the first and second modes.