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:
Aug. 18, 2015
Filed:
Oct. 12, 2010
Applicant:
Masahiro Kawarada, Tokyo, JP;
Inventor:
Masahiro Kawarada, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); H04N 5/232 (2006.01); H04N 5/238 (2006.01);
U.S. Cl.
CPC ...
H04N 5/23209 (2013.01); H04N 5/238 (2013.01); H04N 5/23212 (2013.01);
Abstract
When automatic exposure (AE) for AF is performed, an imaging apparatus sets a fastest speed or a predetermined fixed speed as a diaphragm driving speed to reduce the time to be spent for the AF. On the other hand, when an interchangeable lens in which the diaphragm driving speed can be changed is attached to the imaging apparatus, and AE is performed for moving image recording, the imaging apparatus slows down the diaphragm blade driving speed compared to the speed at the time of AE for AF in consideration of the quality of moving image recording and display.