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:
May. 19, 2020
Filed:
Mar. 09, 2017
Applicant:
Toshiba Lighting & Technology Corporation, Yokosuka-shi, Kanagawa-ken, JP;
Inventors:
Daisuke Kosugi, Yokosuka, JP;
Atsushi Heike, Yokosuka, JP;
Assignee:
Toshiba Lighting & Technology Corporation, Yokosuka-shi, Kanagawa-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 45/50 (2020.01); B60Q 1/26 (2006.01); H05B 45/44 (2020.01);
U.S. Cl.
CPC ...
B60Q 1/26 (2013.01); H05B 45/44 (2020.01); H05B 45/50 (2020.01);
Abstract
A vehicle lighting device includes a plurality of circuit portions that have at least one light emitting element; and a control portion that is electrically connected to the plurality of circuit portions. The control portion detects an input voltage and connects the plurality of circuit portions in series when the detected input voltage exceeds a predetermined value and connects at least a part of the plurality of circuit portions in parallel when the detected input voltage is equal to or less than the predetermined value.