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:
Sep. 10, 2024
Filed:
Jul. 14, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Toru Kohno, Kanagawa, JP;
Takayuki Shu, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 17/56 (2021.01); F21K 5/16 (2006.01); G03B 15/05 (2021.01);
U.S. Cl.
CPC ...
G03B 15/0473 (2013.01); G03B 15/05 (2013.01); G03B 17/566 (2013.01); G03B 2215/056 (2013.01);
Abstract
In a first communication mode, a control unit controls a signal level of one contact based on a first command received from an imaging apparatus via another contact and a signal level indicated by an accessory device via yet another contact. In a second communication mode, the control unit receives a second command indicating the second communication mode and data via another contact. After the reception, the control unit transmits the data via still another contact. The control unit controls communication in the second communication mode based on the signal level of the one contact and the second command.