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:
Nov. 19, 2013
Filed:
Sep. 14, 2011
Applicant:
Takashi Suzuki, Saitama, JP;
Inventor:
Takashi Suzuki, Saitama, JP;
Assignee:
Fujifilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/12 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A small-size wide angle lens substantially consists of a first lens group having positive refractive power, a stop, a second lens group having positive refractive power, and a third lens group having negative refractive power, which are arranged in this order from the object side. Each of the first lens group, the second lens group and the third lens group includes a negative lens and a positive lens. Further, at least one of the second lens group and the third lens group includes an aspheric surface. Further, the small-size wide angle lens satisfies predetermined formulas.