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. 27, 2004
Filed:
Jan. 24, 2003
Naoki Nishimoto, Saitama, JP;
Fuji Photo Optical Co., Ltd., Saitama, JP;
Abstract
In a holding frame of the aperture mechanism is formed a holding portion to which is to be fitted a drive mechanism for opening and closing aperture blades. The holding portion can be fitted with either an electrical drive mechanism, having an iris meter, for electrically opening and closing aperture blades and or a manual drive mechanism for supporting rotatably an iris ring to manually open and close the aperture blades. Thus, an aperture mechanism whose manufacturing cost can be substantially reduced by enabling either or both of an electrical drive mechanism for electrically driving aperture blades and a manual drive mechanism for manually driving them to be fitted to a common holding frame of the aperture mechanism is to be provided.