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.

Date of Patent:
Sep. 29, 2020

Filed:

Dec. 09, 2019
Applicant:

Koito Manufacturing Co., Ltd., Tokyo, JP;

Inventors:

Tomoyuki Ichikawa, Shizuoka, JP;

Hironori Tsukamoto, Shizuoka, JP;

Assignee:

KOITO MANUFACTURING CO., LTD., Minato-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/46 (2020.01); H05B 45/345 (2020.01); B60Q 1/04 (2006.01); F21V 29/70 (2015.01);
U.S. Cl.
CPC ...
H05B 45/46 (2020.01); B60Q 1/04 (2013.01); F21V 29/70 (2015.01); H05B 45/345 (2020.01); B60Q 2400/30 (2013.01);
Abstract

A lamp module includes a drive circuit; a first light source; a second light source; and a switching circuit configured to receive a switching signal for indicating switching between a first function and a second function, and to control a first switch and a second switch such that the first switch is in an on state and the second switch is in an off state while the first function is indicated, the first switch is in an off state and the second switch is in an on state while the second function is indicated, and both the first switch and the second switch are in the on states at a time of switching between the first function and the second function.


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