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:
Mar. 05, 2024
Filed:
Apr. 12, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Tomokuni Hirosawa, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An accessory detachably attached to an electronic apparatus includes an accessory processing unit communicable with an electronic apparatus by a first communication method as communication via a first contact group, and by a second communication method as communication via a second contact group different from the first contact group. The accessory processing unit controls the communication by the second communication method based on information communicated by the first communication method, executes communication via a second contact included in the second contact group in the second communication method, in response to a change in a signal level of a signal via a first contact included in the second contact group from a first signal level to a second signal level, and executes communication by the second communication method based on information on the second signal level included in the information communicated by the first communication method.