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. 26, 2018
Filed:
Jul. 28, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Kota Asano, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A lens apparatus attached to and detached from an image pickup apparatus includes a diaphragm unit, a driver configured to drive the diaphragm unit, and a lens controller configured to communicate with the image pickup apparatus to which the lens apparatus is attached, and to control the driver based on aperture driving instruction information or aperture stop time request received from the image pickup apparatus. The lens controller is configured to send to the image pickup apparatus time information necessary to drive the diaphragm unit according to the aperture driving instruction information or aperture stop time request, during a period that starts when the driver starts driving the diaphragm unit and ends when the driver stops driving the diaphragm unit.