摘要 |
Operating device for luminous means, for example gas discharge lamps, LEDs or OLEDs, having a control circuit which is designed to operate at least one luminous means with a constantly regulated current in the normal mode, that is to say when the operating device is supplied with an AC mains voltage, wherein the control circuit is designed to change over the mode of the luminous means to a mode with a changed control loop in the emergency lighting mode. |