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. 24, 2024
Filed:
Jun. 07, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Shigeyuki Kobayashi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/67 (2023.01); G06T 7/20 (2017.01); G06T 7/73 (2017.01); H04N 23/63 (2023.01);
U.S. Cl.
CPC ...
H04N 23/67 (2023.01); G06T 7/20 (2013.01); G06T 7/73 (2017.01); H04N 23/633 (2023.01); G06T 2207/30232 (2013.01);
Abstract
An apparatus includes a control unit configured to control a position of a focus lens of the apparatus, an acquisition unit configured to acquire an event signal indicating a position of a pixel in which a luminance change has occurred and a time when the luminance change has occurred, and a determination unit configured to determine an in-focus position of the focus lens by acquiring, for each position of the focus lens, an evaluation value based on the event signal.