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:
Mar. 31, 2009
Filed:
Sep. 23, 2005
Applicant:
Masashi Isono, Hoi-gun, JP;
Inventor:
Masashi Isono, Hoi-gun, JP;
Assignee:
Konica Minolta Opto, Inc., Hachioji-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image pickup optical system comprising three lenses for forming an image on a solid imaging element, wherein the comprised lenses are, from an object side, a positive first lens (FL) whose convex surface is directed toward the object side, an aperture stop (ST), a negative second lens (FL) and a negative third lens (FL), and the following conditional expression is fulfilled,−0.23<2<−0.02