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. 19, 2006
Filed:
Jun. 23, 2004
Applicants:
Satoshi DO, Asaka-shi, Saitama 351-0031, JP;
Yoshiyuki Hashimoto, Saitama, JP;
Inventors:
Satoshi Do, Asaka-shi, Saitama 351-0031, JP;
Yoshiyuki Hashimoto, Saitama, JP;
Assignees:
Milestone Col., Ltd., Saitama, JP;
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an imaging lens with an number in the rangeconfigured from two lenses, with a short lens optical length, and with sufficiently high image contrast so that sharp images are obtained. The imaging lens is configured by positioning, order from an object side to an image side, an aperture diaphragm, diaphragm, and a second lens, satisfying the following first lens, a second conditions. The first lens and second lens are both meniscus-shaped with convex surface facing the positive refractive power.