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. 25, 2012
Filed:
Apr. 15, 2009
Haruo Isaka, Kyoto, JP;
Mitsuyoshi Okamoto, Osaka, JP;
Kenji Kawazoe, Hyogo, JP;
Naotake Kitahira, Osaka, JP;
Koji Shibuno, Osaka, JP;
Haruo Isaka, Kyoto, JP;
Mitsuyoshi Okamoto, Osaka, JP;
Kenji Kawazoe, Hyogo, JP;
Naotake Kitahira, Osaka, JP;
Koji Shibuno, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An interchangeable lens includes a focus lens for changing a focus state of an object image, a driving unit for driving the focus lens, a lens controller for controlling the driving unit so as to move the focus lens forward and backward along the optical axis at a predetermined drive frequency, and a storage unit for storing therein drive frequency information representing a drive frequency at which the driving unit can control. A camera body obtains the drive frequency information from the interchangeable lens and performs control while referring to the drive frequency information.