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:
Aug. 09, 2011
Filed:
Jul. 14, 2010
Takashi Kawasaki, Hachioji, JP;
Yasunari Fukuta, Hachioji, JP;
Kazuki Matsui, Hachioji, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
An image pickup lens includes: a first lens block with a positive power and a second lens block. The first lens block includes a first lens substrate, a lens portionwith a positive power, formed on an object-side surface of the first lens substrate, and a lens portionwith a negative power, formed on an image-side surface of the first lens substrate. The object-side surface of the lens portionis a convex surface, and an image-side surface of the lens portionis a concave surface. The second lens block includes a second lens substrate, and a lens portionwith a negative power, formed on an object-side surface of the second lens substrate. The object-side surface of the lens portionis a concave surface. The image pickup lens satisfies the predetermined conditional expressions.