LIGHTING SYSTEM THAT MAINTAINS MELANOPIC LUX LEVELS AT THE EYE REGARDLESS OF DISTANCE TO USER
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United States of America Patent
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Jun 10, 2021
app pub date -
May 8, 2018
filing date -
May 8, 2018
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Abstract
The invention provides a lighting system (1000) comprising:—a lighting device (100) configured to provide light (101);—a sensor (150) configured to sense a user-related parameter selected from one or more of (a) a distance parameter (d) between the lighting device (100) and a user (1) and (b) an eye-activity parameter of the eye (2) of the user (1); and—a control system (200) is configured to control one or more lighting properties selected from a spectral power distribution of the light (101) and a light intensity I of the light (101) as function of the user-related parameter.
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