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:
Feb. 05, 2013
Filed:
Aug. 26, 2008
Takeo Santo, Osaka, JP;
Naoto Yumiki, Osaka, JP;
Yoshito Miyatake, Osaka, JP;
Hiroshi Kubota, Osaka, JP;
Takeo Santo, Osaka, JP;
Naoto Yumiki, Osaka, JP;
Yoshito Miyatake, Osaka, JP;
Hiroshi Kubota, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
There are provided a camera system and an interchangeable lens that are compatible with a contrast detection method. A camera system () has an interchangeable lens unit () and a camera body (). A lens microcomputer () changes the movable range of a second lens group (L) via a focus lens drive controller () depending on whether a second holder () is driven by the focus lens drive controller () and a focus motor () on the basis of angle information inputted to a zoom ring () of the interchangeable lens unit (), or the second holder () is driven by the focus lens drive controller () on the basis of contrast information.