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:
Nov. 24, 2020
Filed:
Dec. 20, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroshi Toriumi, Yokohama, JP;
Yosuke Fukai, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An optical apparatus includes an image-forming optical system with a changeable focal length, an image pickup device configured to capture an image formed by the image-forming optical system and to output an image signal, and at least one processor or circuit programmed to function as a display control unit configured to control a display unit configured to display an image based on the image signal and a notification control unit configured to control a notification unit provided separately from the display unit and configured to notify a user of information regarding the focal length of the image-forming optical system. The notification control unit causes a notification method of information regarding the focal length by the notification unit to be changed based on the focal length.