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:
Jul. 15, 2014
Filed:
May. 13, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Minoru Uchiyama, Utsunomiya, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
A lens apparatus detachable from an image pickup apparatus includes a focus lens, a driver configured to drive the focus lens, a first position detector configured to detect a position of the focus lens, and a controller configured to correct the position of the focus lens detected by the first position detector to a position of the focus lens in a predetermined optical characteristic, to transmit a corrected position of the focus lens to the image pickup apparatus, to correct driving information of the focus lens in the predetermined characteristic received from the image pickup apparatus to driving information of the focus lens in a current optical characteristic, and to instruct the driver to drive the focus lens in accordance with the position of the focus lens detected by the first position detector and corrected driving information of the focus lens.