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:
Jun. 04, 2019
Filed:
Aug. 27, 2014
Signify Holding B.v., Eindhoven, NL;
Borong Su, Eindhoven, NL;
Bernhard Christiaan van Dijk, Geldrop, NL;
William Peter Mechtildis Marie Jans, Born, NL;
Haimin Tao, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The present invention relates to an LED retrofit lamp () for being connected to a high frequency electronic ballast (), the high frequency electronic ballast () being adapted for providing a voltage and a current to the LED retrofit lamp (). The LED retrofit lamp () comprises an LED unit (), an adapting unit () for adapting the voltage and the current provided by the high frequency electronic ballast () to a voltage and a current for operating the LED unit (), a detecting unit () for detecting an electrical value that depends on the current provided by the high frequency electronic ballast (), and a ballast protection unit () for performing, in dependence of the detected electrical value, an operation for protecting the high frequency electronic ballast () from an overcurrent situation. This allows avoiding an unsafe situation, such as when the high frequency electronic ballast () is overheated.