CONTROL OF A LIGHTING SYSTEM FOR COLOR POINT AND FLUX LEVEL CONTROL

CONTROL OF A LIGHTING SYSTEM FOR COLOR POINT AND FLUX LEVEL CONTROL

A method is provided for controlling a multi-channel lighting system in which (nominal) color point information in respect of the light sources is adjusted both in dependence on a temperature estimate and on the current drive levels needed. The method thus compensates separately for the light source...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TER WEEME, Berend, Jan, Willem
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Beschreibung
Zusammenfassung:A method is provided for controlling a multi-channel lighting system in which (nominal) color point information in respect of the light sources is adjusted both in dependence on a temperature estimate and on the current drive levels needed. The method thus compensates separately for the light source temperature and the effect that the calculated current drive levels have on the color point and flux. An iterative loop finds the current drive levels to achieve a desired color point and flux.