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:
Aug. 19, 2014
Filed:
Dec. 20, 2011
Applicant:
Toshishige Fujii, Kanagawa, JP;
Inventor:
Toshishige Fujii, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H01J 3/14 (2006.01); G03G 15/04 (2006.01); F21V 9/16 (2006.01); G01J 1/42 (2006.01); B41J 27/00 (2006.01); G01D 15/14 (2006.01); B41J 2/435 (2006.01); G02B 6/12 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device is disclosed, including a surface emitting laser element having a surface emitting laser which emits a light in a direction which is perpendicular to a substrate face; a light receiving element which monitors the light of the surface emitting laser; a package provided with a region on which the surface emitting laser element and the light receiving element are provided; and a lid which has a window through which passes the light of the surface emitting laser, the window being formed with a transparent member, and which covers the surface emitting laser element and the light receiving element.