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1. (WO2018037044) EMERGENCY LIGHTING

Pub. No.:    WO/2018/037044    International Application No.:    PCT/EP2017/071230
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Thu Aug 24 01:59:59 CEST 2017
IPC: H05B 37/02
Applicants: TRIDONIC GMBH & CO KG
Inventors: WILSON, Ian
Title: EMERGENCY LIGHTING
Abstract:
A luminaire driver (194) comprises a first interface configured to receive a first DC supply signal (81) via a first DC supply line (101) and a second interface configured to receive a second DC supply signal (82) via a second DC supply line (102). The luminaire driver (194) further comprises at least one DC-DC converter (121) configured to power a lamp (122). The luminaire driver (194) further comprises a switch (131) configured to forward the first DC supply signal (81) to the at least one DC-DC converter (121) in a first switch position and to forward the second DC supply signal (82) to the at least one DC-DC converter (121) in a second switch position.