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. 05, 2023
Filed:
Jun. 07, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Shigeyuki Kobayashi, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An apparatus includes a control unit configured to control a position of a focus lens of the apparatus, a setting unit configured to change a threshold for detecting a luminance change in each pixel in a predetermined range, an acquisition unit configured to acquire a signal indicating a pixel in which a luminance change that is more than or equal to the threshold has occurred, and a determination unit configured to determine an in-focus position of the focus lens based on the signal detected depending on the position of the focus lens and the set threshold.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile