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:
Sep. 04, 2018
Filed:
Jan. 11, 2017
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Takuya Imaoka, Kanagawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 3/02 (2006.01); G02B 9/64 (2006.01); G02B 13/08 (2006.01); G02B 13/06 (2006.01);
U.S. Cl.
CPC ...
G02B 9/64 (2013.01); G02B 13/06 (2013.01); G02B 13/08 (2013.01);
Abstract
A lens system which includes a lens group including at least one lens element and forms an image on an image sensor which is rectangular with a first side and a second side greater than or equal to the first side in length, the lens system including: in order from an object side to an image surface side, a front lens group; a diaphragm; and a rear lens group, wherein at least one of the front lens group and the rear lens group includes a freeform surface lens asymmetric about an optical axis, and the lens system satisfies 1<A/(B−C)<10000 and 1<A/(D−E)<10000.