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:
Dec. 20, 2022
Filed:
Nov. 25, 2019
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/48 (2006.01); H01S 5/0687 (2006.01); G01J 1/42 (2006.01); B25J 19/02 (2006.01); B33Y 50/00 (2015.01); B29C 64/386 (2017.01); H01S 5/42 (2006.01); H01S 5/02325 (2021.01); H01L 33/08 (2010.01); H01L 27/15 (2006.01); G06V 10/141 (2022.01); G06V 10/145 (2022.01); G05D 1/02 (2020.01); G02B 26/08 (2006.01); G06V 40/16 (2022.01); G02B 5/09 (2006.01); B60R 25/30 (2013.01);
U.S. Cl.
CPC ...
G02B 27/48 (2013.01); B25J 19/021 (2013.01); B29C 64/386 (2017.08); B33Y 50/00 (2014.12); G01J 1/4257 (2013.01); G06V 10/141 (2022.01); G06V 10/145 (2022.01); G06V 40/16 (2022.01); H01L 27/15 (2013.01); H01L 33/08 (2013.01); H01S 5/02325 (2021.01); H01S 5/0687 (2013.01); H01S 5/423 (2013.01); B60R 25/30 (2013.01); G02B 5/09 (2013.01); G02B 26/0833 (2013.01); G05D 1/0231 (2013.01);
Abstract
According to one embodiment, a light source includes a plurality of light-emitting elements each including one or more surface-emitting lasers; and a plurality of detecting elements located on a same substrate as the light-emitting elements. The detecting elements individually detect quantities of output light of the light-emitting elements.