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. 09, 2021
Filed:
Nov. 12, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yutaka Watanabe, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 17/14 (2006.01); G03B 17/56 (2006.01); H04N 5/225 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G03B 17/14 (2013.01); G03B 17/566 (2013.01); G03B 17/565 (2013.01); H04N 5/2254 (2013.01); H04N 5/232 (2013.01);
Abstract
An image pickup device includes a notification channel and a data communication channel for communication with an accessory device, the notification channel being used for signal transfer between the image pickup device and the accessory device, the data communication channel being used for data communication between the image pickup device and the accessory device. The image pickup device starts the communication with the accessory device when a voltage level of the notification channel takes a predetermined level.