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. 17, 2025
Filed:
Sep. 22, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Hideya Takanashi, Kanagawa, JP;
Munenori Date, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An accessory detachably attached between an interchangeable lens and an imaging apparatus includes a communication unit for communicating with the interchangeable lens and the imaging apparatus, a first operation unit operated when focus position information on the interchangeable lens is to be acquired from the interchangeable lens, a memory unit storing information relating to focus of the interchangeable lens based on the focus position information, a second operation unit operated when reproduction driving is to be performed of a focus lens included in the interchangeable lens, and a control unit controlling driving of the focus lens. When the first operation unit is operated, the control unit acquires the information relating to focus by using the focus position information. When the second operation unit is operated, the control unit performs the reproduction driving of the focus lens by using the information relating to focus.