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:
May. 28, 2013
Filed:
Mar. 16, 2011
Applicants:
Masahiko Nozaki, Kanagawa, JP;
Takeshi Nakano, Kanagawa, JP;
Junichi Hosokawa, Kanagawa, JP;
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a third optical black portion is arranged in parallel with a first optical black portion in a row direction and in parallel with a second optical black portion in column direction. At least one of the vertical line correction circuit and the horizontal line correction circuit adds/subtracts arithmetic average of the third black level signal generated by the third optical black portion.