Patent ID: 9295114
Filing Date: 2016-03-22
CPC Classification: H05B,Y02B,Y10T

Claim Text:
1. A LED light unit, in particular for a passenger transport vehicle, such as an aircraft, a road vehicle, a ship or a rail car, the LED light unit having at least one LED and being configured to be used with a high intensity discharge lamp power supply that is adapted to monitor its output behavior, wherein the LED light unit comprises: a power input coupleable to the high intensity discharge lamp power supply, a capacitor switchably coupled to the power input for absorbing electrical energy from the high intensity discharge lamp power supply, a power dissipating element switchably coupled to the power input for dissipating electrical energy from the high intensity discharge lamp power supply, and a control circuit coupled to the power input, wherein the control circuit is configured to sense an electric behavior at the power input, deducing the kind of driving power supplied by the high intensity discharge lamp power supply, and is further configured to selectively couple the capacitor to the power input and to selectively couple the power dissipating element to the power input as a response to the electric behavior at the power input in such a way that the LED light unit emulates an electric behavior of a high intensity discharge lamp.