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:
Mar. 15, 2022
Filed:
Jul. 03, 2018
Applicant:
Signify Holding B.v., Eindhoven, NL;
Inventors:
Dmytro Viktorovych Malyna, Achel, BE;
Luna X Zhang, Eindhoven, NL;
Yuanqiang Liu, Shanghai, CN;
Marcus Cornelis Van Meel, Helmond, NL;
Tijmen Cornelis Van Bodegraven, Eindhoven, NL;
Raimundo De Heer Galisteo, Uden, NL;
Assignee:
SIGNIFY HOLDING B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/48 (2020.01); H05B 45/50 (2022.01); F21K 9/238 (2016.01); H05B 45/34 (2020.01); H05B 45/3578 (2020.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
H05B 45/50 (2020.01); F21K 9/238 (2016.08); H05B 45/34 (2020.01); H05B 45/3578 (2020.01); H05B 45/48 (2020.01); F21Y 2115/10 (2016.08);
Abstract
A retrofit Light Emitting Diode, LED, lighting device for connection to a ballast, wherein said ballast is arranged to be connected to a mains voltage and arranged to provide for a ballast current, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector.