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:
Nov. 01, 2016
Filed:
Oct. 19, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Satoshi Kajiya, Tokyo, JP;
Tetsuhiro Fukao, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/10 (2006.01); H01S 5/40 (2006.01); H01S 3/10 (2006.01); H04B 10/50 (2013.01);
U.S. Cl.
CPC ...
H01S 3/10015 (2013.01); H01S 5/4087 (2013.01); H04B 10/503 (2013.01);
Abstract
A laser module includes a light source device having a first amplifier that outputs first output light, and a second amplifier that outputs second output light, a first drive circuit that supplies the first amplifier with a first drive current, a second drive circuit that supplies the second amplifier with a second drive current. A dither signal is superimposed on one of two drive currents to respectively grasp the characteristics of the two amplifiers.