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. 12, 2011
Filed:
Oct. 06, 2008
Applicant:
Osamu Ishibashi, Tokyo, JP;
Inventor:
Osamu Ishibashi, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an optical scanning device that prevents a disadvantageous increase in device size. Transfer optical systemincludes at least concave mirrorsand. Furthermore, transfer optical systemallows a light beam scanned by scan mirrorto enter the scan mirror again at least via concave mirrorsand. Then, scan mirrorscans and emits the laser light beam received via concave mirrorsand, to a plane of projection.