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.:

US 8670064 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 11, 2014

Filed:

Aug. 01, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Takashi Kosaka, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 13/00 (2006.01); H04N 5/232 (2006.01); H04N 5/228 (2006.01); H04N 5/262 (2006.01); H04N 5/222 (2006.01); G03B 3/10 (2006.01); G03B 13/34 (2006.01); G03B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image capturing apparatus capable of switching between an optical viewfinder and live view which involves periodically reading out an image signal out of an image sensor and sequentially displaying the image signal on a display unit, comprises a phase difference focus control unit that performs auto focus control using a phase difference detection method; a selection unit that selects one of a plurality of focus detection areas used for the auto focus control; an electronic zoom unit that changes an angle of view; and a control unit that causes the phase difference focus control unit to perform auto focus control by the phase difference detection method using the selected focus detection area if the selected focus detection area is located within the changed angle of view, otherwise not to perform auto focus control by the phase difference detection method using the selected focus detection area.


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