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:
Jun. 08, 2021
Filed:
Jun. 18, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Takashi Ichimiya, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image capturing apparatus includes a light receiving sensor including two-dimensionally arranged pixels and configured to photoelectrically convert a pair of object images and to output a first image signal and a second image signal, each of the first image signal and the second image signal corresponding to a respective object image of the pair of object images; a calculation unit configured to calculate a first phase difference between the first image signal and the second image signal in the first direction and a second phase difference in a second direction; a focus detection unit configured to calculate a first focus detection result based on the first phase difference; and a determination unit configured to determine presence or absence of heat haze based on the second phase difference.