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.:

US 6919993 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 19, 2005

Filed:

Dec. 22, 2003
Applicant:

Satoru Honda, Kanagawa-ken, JP;

Inventor:

Satoru Honda, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B003/00 ; G02B026/08 ;
U.S. Cl.
CPC ...
Abstract

A scanning lens molded with resin is disclosed. The lens has a first lens surface which a light beam incident to, and a second lens surface which emits the light beam. The lens further includes a first lens frame formed to project from the first lens surface, the first lens frame is provided on at least a part of the periphery of the first lens surface. The lens further includes a second lens frame formed to project from the second lens surface. The second lens frame is provided on at least a part of the periphery of the second lens surface. At least one of the first and second lens frames has approximately constant projection amount along with the main-scanning direction of the scanning lens.


Find Patent Forward Citations

Loading…