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:
Aug. 23, 2016
Filed:
Feb. 20, 2014
Applicant:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Inventors:
Kazushi Yoshikawa, Shizuoka, JP;
Tomokazu Suzuki, Shizuoka, JP;
Takanori Namba, Shizuoka, JP;
Toshiyuki Tsuchiya, Shizuoka, JP;
Masato Watanabe, Shizuoka, JP;
Assignee:
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 29/00 (2015.01); F21S 8/10 (2006.01); F21V 29/503 (2015.01); F21V 29/60 (2015.01); F21V 29/89 (2015.01);
U.S. Cl.
CPC ...
F21S 48/32 (2013.01); F21S 48/31 (2013.01); F21S 48/325 (2013.01); F21V 29/503 (2015.01); F21V 29/60 (2015.01); F21V 29/89 (2015.01);
Abstract
A vehicular lamp includes a light source, a cooling fan configured to cool the light source, a light source power supply module configured to drive the light source for emission of light, and a control module configured to execute an abnormal rotation detection of the cooling fan and to control the light source power supply module so that the quantity of light emitted from the light source is reduced in response to a detection of abnormal rotation.