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:
Aug. 11, 2015
Filed:
Apr. 09, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Masayuki Hino, Osaka, JP;
Abstract
A viewfinderincludes a finder optical system Sincluding first and second lens groups L, L; a zoom frameprovided with first and second cam groovesconfigured to rotate about an optical axis Ato move the first and second lens groups L, Lin the optical axis direction in accordance with the shapes of the first and second cam grooves; and a diopter adjusterconfigured to adjust the diopter of the finder optical system S. The diopter adjusterchanges the position of the zoom framein the optical axis direction to adjust the diopter of the finder optical system S, and adjusts, during rotation of the zoom frame, the position of the zoom framein the optical axis direction such that the diopter of the finder optical system Sis maintained.