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:
Dec. 15, 2009
Filed:
Dec. 19, 2008
Applicant:
Yasuji Seko, Kanagawa, JP;
Inventor:
Yasuji Seko, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/02 (2006.01); G02B 1/10 (2006.01); G02B 13/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical lens system includes a lens surface capable of forming concentric interference patterns on an object as if light emitted from a single light source were virtually emitted from two or more light sources within a plane containing an optical axis of the single light source.