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, 2022
Filed:
Jul. 06, 2015
Signify Holding B.v., Eindhoven, NL;
Haimin Tao, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention further describes tube LED lamp () realised to replace a fluorescent tube lamp (), which tube LED lamp () comprises a tube () containing an LED arrangement () with a number of LEDs (); a connector arrangement (A,B) with connectors () realized for insertion into sockets () of a socket arrangement (A,B) of a tube lamp housing () incorporating a dimming ballast (); a driver circuit arrangement () for driving the LED arrangement (), which driver circuit arrangement () is realized to output an LED current (I) on the basis of an input current provided by the dimming ballast (); and a safety switch (S, M) arranged within the tube () to electrically isolate connectors () of the connector arrangement (A,B), wherein the safety switch (S, M) is arranged between the driver circuit arrangement () and the LED arrangement (). The invention further describes a method of driving a tube LED lamp () from a dimming ballast () of a fluorescent tube lamp ().