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:
Dec. 26, 2017
Filed:
Feb. 03, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Taichi Takemura, Abiko, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 15/02 (2006.01); H04N 1/60 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/60 (2013.01); H04N 1/0005 (2013.01); H04N 1/00045 (2013.01); H04N 1/6044 (2013.01);
Abstract
Multiple measurement images are formed in a test chart. Reflected light from the test patterns is received by light receiving elements of a color sensor for an accumulation time that is determined for the respective test patterns. The lengths of the test patterns in the conveyance direction of the test chart are determined according to the lengths of the accumulation times for the respective test patterns.