US 11,729,886 B2
Duration select switch for an emergency lighting converter
Deepak Makwana, Newcastle Upon Tyne (GB); and Jagjitpati Shukla, Spennymoor (GB)
Assigned to Tridonic GmbH & Co KG, Dornbirn (AT)
Appl. No. 17/599,001
Filed by TRIDONIC GMBH & CO KG, Dornbirn (AT)
PCT Filed Jun. 9, 2020, PCT No. PCT/EP2020/065892
§ 371(c)(1), (2) Date Sep. 28, 2021,
PCT Pub. No. WO2020/254140, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 19180440 (EP), filed on Jun. 17, 2019.
Prior Publication US 2022/0191992 A1, Jun. 16, 2022
Int. Cl. H05B 45/50 (2022.01); H05B 45/37 (2020.01)
CPC H05B 45/50 (2020.01) [H05B 45/37 (2020.01)] 10 Claims
OG exemplary drawing
 
1. An emergency converter device for providing a supply current (ILED) to a load device, the emergency converter device comprising:
a control circuit (11) configured to set at least one operating parameter of the emergency converter device;
an interface (9) comprising a first terminal (9.1) and a second terminal (9.2) for electrically connecting a status indicator light emitting diode (10); and
a detection circuit (12) connected to the control circuit (11), the detection circuit (12) configured to detected a polarity of the status indicator light emitting diode (10) connected to the first terminal (9.1) and the second terminal (9.2); wherein
the control circuit (11) is configured to set the at least one operating parameter of the emergency converter device based on the detected polarity.