US 12,324,069 B2
Light system
Michael Frey, Erfurt (DE); Jorgen Sturm, Erfurt (DE); and Thomas Freitag, Erfurt (DE)
Assigned to Melexis Technologies NV, Tessenderlo (BE)
Filed by Melexis Technologies NV, Tessenderlo (BE)
Filed on Feb. 7, 2023, as Appl. No. 18/165,672.
Claims priority of application No. 22155588 (EP), filed on Feb. 8, 2022.
Prior Publication US 2023/0254959 A1, Aug. 10, 2023
Int. Cl. H05B 45/50 (2022.01); H05B 47/17 (2020.01); H05B 47/18 (2020.01)
CPC H05B 45/50 (2020.01) [H05B 47/17 (2020.01); H05B 47/18 (2020.01)] 19 Claims
OG exemplary drawing
 
1. A safety related light system, the system comprising:
one light source;
a first control circuit;
a second control circuit;
wherein one of the first control circuit or the second control circuit is selectively enabled to operate in a drive mode to operate the one light source, wherein the respective control circuit in the drive mode is adapted to diagnose the one light source or the respective other control circuit and provide diagnostic information; and
a controller adapted to selectively enable the first control circuit or the second control circuit to operate in the drive mode, wherein the controller is further adapted to selectively enable the respective control circuit not operating in the drive mode to operate in a diagnose mode.