LIGHTING DEVICE
First Claim
Patent Images
1. A lighting device comprising:
- a first light source having a first S/P ratio;
a second light source having a second S/P ratio that is higher than the first S/P ratio; and
a controller configured to perform dimming control of light output of the first light source and the second light source, wherein the controller performs the dimming control of light output of the second light source independently of the first light source at least under a snow covered condition.
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Abstract
A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition.
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Citations
12 Claims
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1. A lighting device comprising:
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a first light source having a first S/P ratio; a second light source having a second S/P ratio that is higher than the first S/P ratio; and a controller configured to perform dimming control of light output of the first light source and the second light source, wherein the controller performs the dimming control of light output of the second light source independently of the first light source at least under a snow covered condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification