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:
Jul. 27, 2010
Filed:
May. 21, 2008
Hiroyuki Teraoka, Osaka, JP;
Junji Kitamura, Takatsuki, JP;
Masao Nishiyama, Takatsuki, JP;
Komatsulite Mfg. Co., Ltd., Suita-shi, JP;
Abstract
An image taking lenscomprises a stop, a first lenshaving a positive power and biconvex configuration, a second lenshaving a negative power and having a meniscus configuration in which a concave surface is disposed to face an object, a third lenshaving a positive power and a meniscus configuration in which a convex surface is disposed to face an image, and a fourth lenshaving a negative power and a meniscus configuration in which a convex surface is disposed to face the object, which are arranged in this order from the object. The lensestosatisfy the following formulae (1) to (4),3.00<1/1<10.00  (1)−20.0<2/3<−10.0  (2)50.0<ν1<60.0  (3)20.0<ν2<30.0  (4)hereupon,