Method and device for controlling the light intensity in a room illuminated by daylight and artificial light

The method calculates a required brightness level for artificial light sources (23,27) within a room (21,25) in dependence on the direction-dependent natural light intensity, obtained by determining the damping of direct solar radiation by cloud, for calculation of the level of direct solar radiatio...

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Bibliographische Detailangaben
Hauptverfasser:	WERNER, WALTER DR, GEIGINGER, JOACHIM, JOEDICKE, BERND DR, MATTNER, THOMAS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	COLORIMETRY CONTROLLING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING
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Beschreibung
Zusammenfassung:	The method calculates a required brightness level for artificial light sources (23,27) within a room (21,25) in dependence on the direction-dependent natural light intensity, obtained by determining the damping of direct solar radiation by cloud, for calculation of the level of direct solar radiation (Sd) and the level of dispersed natural light (Sstr). Also included are Independent claims for the following: (a) a device for regulation and/or control of the brightness within a room illuminated by natural and artificial light; (b) an ambient light measuring device.