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:
Apr. 10, 2018
Filed:
Jan. 18, 2017
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Shunichiro Yoshinaga, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/04 (2006.01); G02B 15/14 (2006.01); G02B 7/105 (2006.01); H04N 5/225 (2006.01); H04N 5/232 (2006.01); G02B 13/00 (2006.01); G02B 9/64 (2006.01);
U.S. Cl.
CPC ...
G02B 7/105 (2013.01); G02B 9/64 (2013.01); G02B 13/006 (2013.01); H04N 5/2253 (2013.01); H04N 5/2254 (2013.01); H04N 5/23293 (2013.01);
Abstract
A lens system in the present disclosure includes: a first lens group that is moved toward an image side along an optical axis in focusing from a far-object in-focus state to a near-object in-focus state, and has positive optical power; and a second lens group that is disposed on the image side relative to the first lens group and has optical power. The lens system satisfies the following conditions (1) and (2).0.5<|1/|<2.0  (1)20<|2/|<700  (2)