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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.:

US 10721398 B1

PDFFull Text
Date of Patent:
Jul. 21, 2020

Filed:

Dec. 12, 2017

Imaging optical system and imaging apparatus

Applicant:

Tamron Co., Ltd., Saitama-shi, JP;

Inventors:

Koutarou Joujiki, Saitama, JP;

Yasuhiko Obikane, Saitama, JP;

Assignee:

Tamron Co., Ltd., Saitama-shi, JP;

Attorney:

The Webb Law Firm

Primary Examiner:

Jie Lei

Int. Cl.
CPC ...
H04N 5/232 (2006.01); G02B 23/26 (2006.01); G02B 13/18 (2006.01); G02B 7/02 (2006.01); G02B 17/02 (2006.01); H04N 5/225 (2006.01); G02B 9/62 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
H04N 5/23238 (2013.01); G02B 7/02 (2013.01); G02B 7/028 (2013.01); G02B 9/62 (2013.01); G02B 13/0045 (2013.01); G02B 13/18 (2013.01); G02B 17/023 (2013.01); G02B 23/26 (2013.01); H04N 5/2253 (2013.01); H04N 5/2254 (2013.01);
Abstract

An imaging optical system according to the present invention is the imaging optical system composed by arranging a front group, a stop, and a rear group in order from an object side, a lens arranged closest to the stop in the front group is a positive lens, a lens arranged closest to the stop in the rear group is also a positive lens, and specific conditional expressions are satisfied. In addition, an imaging apparatus according to the present invention includes the imaging optical system.

Find Patent Forward Citations

Joujiki, Koutarou. (2020). Imaging optical system and imaging apparatus (U.S. Patent No. 10721398). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10721398

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

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