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:
Jul. 28, 2020
Filed:
Feb. 04, 2016
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Shinsuke Takagimoto, Kyoto, JP;
Yasunori Muramatsu, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/34 (2006.01); H05B 45/37 (2020.01); B60Q 1/44 (2006.01); B60Q 1/38 (2006.01); B60Q 11/00 (2006.01); H05B 45/46 (2020.01); H05B 47/10 (2020.01); H05B 47/20 (2020.01); H05B 47/155 (2020.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
H05B 45/37 (2020.01); B60Q 1/34 (2013.01); B60Q 1/38 (2013.01); B60Q 1/44 (2013.01); B60Q 11/00 (2013.01); G09G 3/342 (2013.01); H05B 45/46 (2020.01); H05B 47/10 (2020.01); H05B 47/155 (2020.01); H05B 47/20 (2020.01); G09G 2320/0233 (2013.01); G09G 2320/064 (2013.01);
Abstract
A switch driving devicecomprises: multichannel switch elements SWto SWwhich are connected in parallel to a plurality of light-emitting elements included in a vehicle-mounted light-emitting device; and a logic portionwhich automatically starts a series of switch driving sequence so that the on-off states of the switch elements SWto SWare sequentially switched in a predetermined pattern in response to the power-on of the device.