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. 23, 2010
Filed:
Jul. 16, 2009
Applicant:
Masahiko Tsuzuki, Saitama, JP;
Inventor:
Masahiko Tsuzuki, Saitama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical apparatus includes an optical system in which two zoom lens units perform zooming in different ranges in accordance with a zoom position, and a mechanism for driving the two zoom lens units by a single driving portion. An urging force for urging moving members toward an interlocking movement member that is moved along the optical axis by a feed screw is cut off by regulating portions.
Tsuzuki, Masahiko. (2010). Optical apparatus (U.S. Patent No. 7839578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7839578
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile