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:
Feb. 19, 2019
Filed:
Mar. 09, 2017
Applicants:
Kohji Sakai, Tokyo, JP;
Kazuhiro Akatsu, Kanagawa, JP;
Inventors:
Kohji Sakai, Tokyo, JP;
Kazuhiro Akatsu, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01J 3/50 (2006.01); G01J 3/02 (2006.01); G01J 3/10 (2006.01); H01S 5/068 (2006.01); H04N 9/31 (2006.01); G01J 3/46 (2006.01); H01S 5/00 (2006.01); H01S 5/06 (2006.01); H01S 5/0683 (2006.01); H01S 5/40 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
G01J 3/50 (2013.01); G01J 3/0264 (2013.01); G01J 3/0286 (2013.01); G01J 3/10 (2013.01); G01J 3/505 (2013.01); G01J 3/506 (2013.01); H01S 5/06804 (2013.01); H01S 5/4093 (2013.01); H04N 9/3129 (2013.01); H04N 9/3144 (2013.01); H04N 9/3155 (2013.01); H04N 9/3164 (2013.01); H04N 9/3182 (2013.01); H04N 9/3194 (2013.01); G01J 2003/467 (2013.01); H01S 5/0035 (2013.01); H01S 5/0617 (2013.01); H01S 5/06832 (2013.01); H01S 5/4012 (2013.01); H05B 33/0869 (2013.01);
Abstract
A wavelength estimation device including a light detector to receive light emitted from a light source and an estimation unit. The estimation unit estimates a wavelength of the light based on an amount of light received by the light detector.