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:
Aug. 29, 2023
Filed:
Apr. 07, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Takuo Tsuchiya, Kanagawa, JP;
Nobukazu Yoshida, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An electronic apparatus to which an accessory is detachably attached includes a first processing unit communicable with the accessory by a first communication method, and a second processing unit communicable with the accessory by a second communication method. The first processing unit receives accessory information from the accessory by the first communication method. The second processing unit communicates with the accessory by the second communication method based on the accessory information. The electronic apparatus has a first power state and a second power state in which power is lower than that of the first power state. The first processing unit communicates with the accessory by the first communication method in the first power state and the second power state. The second processing unit communicates with the accessory by the second communication method in the first power state, but does not in the second power state.