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.

Date of Patent:
Oct. 26, 2010

Filed:

Aug. 25, 2009
Applicants:

Masae Sato, Machida, JP;

Yasunari Fukuta, Hachioji, JP;

Takashi Kawasaki, Hachioji, JP;

Inventors:

Masae Sato, Machida, JP;

Yasunari Fukuta, Hachioji, JP;

Takashi Kawasaki, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/34 (2006.01); G02B 3/02 (2006.01); G02B 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image pickup lens includes a first lens block with a positive power and a second lens block with a positive or negative power. The first lens block includes a first lens substrate, and lens portionsandarranged on opposing surfaces of the first lens substrate. The lens portionsandare different from the first lens substrate in at least one of a refractive index and an Abbe number. The second lens block includes a second lens substrate, and lens portionsandarranged on opposing surfaces of the second lens substrate. The lens portionsandare different from the second lens substrate in at least one of a refractive index and an Abbe number. The image pickup lens satisfies a condition relating to focal lengths of the lens portionsand


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