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. 21, 2012
Filed:
Jul. 31, 2009
Shinji Ukita, Hyogo, JP;
Mitsuaki Kita, Kanagawa, JP;
Shinji Ukita, Hyogo, JP;
Mitsuaki Kita, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An imaging apparatus according to the present invention is arranged with an OB level difference correcting unit for performing a process by sectionalizing a vertical pre-stage OB unit to a first region positioned on a side opposite to an effective pixel unit along a vertical transfer direction and a second region positioned on the effective pixel unit side and read out after the first region, and calculating a correction amount for correcting the OB level difference using a signal corresponding to a dark current obtained from the first region, and a correction table described with a relationship of a signal corresponding to the dark current generated in the vertical pre-stage OB unit and an OB level difference which is a difference between a black level in the vertical pre-stage OB unit and a black level of an image signal.