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:
Mar. 25, 2014
Filed:
May. 12, 2011
Applicant:
Tomohisa Kinugasa, Yokohama, JP;
Inventor:
Tomohisa Kinugasa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 3/14 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an auto-focusing (AF) sensor, it has been difficult to realize high-speed auto focusing and high-accuracy, auto focusing without increasing the scale of a circuit. In the present invention, a common buffer unit is provided for a plurality of memory cell units that are provided in each unit pixel.