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:
Jun. 14, 2016
Filed:
Aug. 24, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Isao Yoneoka, Tokyo, JP;
Yoshinori Asamura, Tokyo, JP;
Zenkou Yamamoto, Tokyo, JP;
Haruhisa Inoue, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); H05B 37/03 (2006.01);
U.S. Cl.
CPC ...
H05B 37/032 (2013.01); H05B 33/089 (2013.01); H05B 33/0827 (2013.01);
Abstract
A controller determines whether parallel-connected light sources include a faulty light source. When a faulty light source is included, the controller controls at least one of a current supply unit and a switching unit such that a current is continuously supplied to normal light sources being light sources of the light sources except for the faulty light source.