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:
Jun. 24, 2008
Filed:
Sep. 28, 2006
Applicant:
Masayuki Inamoto, Saitama, JP;
Inventor:
Masayuki Inamoto, Saitama, JP;
Assignee:
Fujinon Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projector includes a projection lens having a first lens. The first lens is a plastic lens made by injection molding using a single gate, and has a gate mark on its outer edge. The first lens also has a weld line at the opposite side to the gate mark, which extends from the outer edge. The first lens is positioned such that the gate mark faces a long side of a rectangular pattern of image light on the lens surface, and the weld line becomes disposed outside the rectangular pattern.