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:
Jan. 01, 2019
Filed:
Nov. 03, 2015
Philips Lighting Holding B.v., Eindhoven, NL;
Theo Gerrit Zijlman, Eindhoven, NL;
Berend Jan Willem Ter Weeme, Eindhoven, NL;
Liang Shi, Eindhoven, NL;
Aart Jan Vroegop, Eindhoven, NL;
Lambertus Adrianus Marinus De Jong, Eindhoven, NL;
Jian Jiang, Eindhoven, NL;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
The invention describes an LED lighting system () comprising a wireless communication arrangement () for wireless transfer of signals (D, D, D, D) between devices () of the LED lighting system (); at least one LED lamp () connectable to a mains power supply (), which LED lamp () comprises a driver arrangement () with a control unit () for controlling the LED lamp () according to a received signal (D); a phase-cut detector (A,B,C) realized to detect a phase-cut input (V) to the LED lamp (); and a protection circuit () realized to prevent operation of the LED lamp () with the phase-cut input (V) if the phase-cut angle of the phase-cut input (V) exceeds a critical threshold, wherein said protection circuit () is adapted to prevent an exposure of the LED lamp to the phase-cut input. The invention further describes an LED lamp () comprising a driver arrangement (); and a method of controlling an LED lighting system ().