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:
Nov. 15, 2005
Filed:
Dec. 27, 2001
Applicants:
Yasuyuki Tomita, Tochigi, JP;
Shinichiro Yakita, Tochigi, JP;
Inventors:
Yasuyuki Tomita, Tochigi, JP;
Shinichiro Yakita, Tochigi, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B015/14 ; G03B017/00 ;
U.S. Cl.
CPC ...
Abstract
In a zoom lens in/from which a magnification changing optical unit for changing an overall focal length of the zoom lens can be inserted/removed, wherein a wobbling unit which can be slightly amplitude-driven in an optical axis direction to detect a best imaging position is placed closer to an image side than an insertion position of said magnification changing optical unit.
Tomita, Yasuyuki. (2005). Zoom lens and photographing system (U.S. Patent No. 6965481). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6965481
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile