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:
May. 03, 2022
Filed:
Aug. 16, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Hiroyuki Shobayashi, Hyogo, JP;
Yoshio Matsumura, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/12 (2006.01); G03B 17/14 (2021.01);
U.S. Cl.
CPC ...
G02B 13/0035 (2013.01); G02B 9/12 (2013.01); G02B 13/004 (2013.01); G03B 17/14 (2013.01);
Abstract
A lens system includes, in order from an object side to an image plane side: a first lens element having a negative power; a second lens element whose concave surface faces the object side; and a third lens element having a positive power, and satisfies conditions (1) and (2).0.205<|(1/)·tan(ω)|  (1)0.120<<0.170  (2)