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. 25, 2018
Filed:
Mar. 18, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masaaki Uenishi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 13/36 (2006.01); G03B 13/20 (2006.01); G02B 7/09 (2006.01); G02B 7/38 (2006.01); G02B 7/36 (2006.01); H04N 5/232 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G03B 13/36 (2013.01); G02B 7/09 (2013.01); G02B 7/36 (2013.01); G02B 7/38 (2013.01); G03B 13/20 (2013.01); H04N 5/23212 (2013.01); G02B 27/0093 (2013.01);
Abstract
An automatic focusing apparatus detects presence or absence of change in a distance between an object and the automatic focusing apparatus while operating in an operation mode to continuously perform an adjustment of the position of a focus lens to focus on the object, and stops a movement of the focus lens if a change in the distance is not detected.