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.

Date of Patent:
Feb. 06, 2007

Filed:

Dec. 02, 2005
Applicants:

Taro Kushida, Nagano, JP;

Akiyoshi Wakafuji, Nagano, JP;

Inventors:

Taro Kushida, Nagano, JP;

Akiyoshi Wakafuji, Nagano, JP;

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A zoom lens has first to fifth lens groups Gto Ghaving positive, negative, positive, positive, and negative refractive power, in order from an object side. The first lens groups Gincludes a prism Lfor bending a light path. Zooming is performed by adjusting a focal length by linear movement of the second lens group Gand fourth lens group Gand compensating an image surface position by nonlinear movement of the fifth lens group G. Focusing is performed by moving the fifth lens group G


Find Patent Forward Citations

Kushida, Taro. (2007). Zoom lens and image pickup apparatus (U.S. Patent No. 7173768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7173768

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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