ELECTRONICALLY VARIABLE LIGHT BEAM PATTERN FOR LIGHTING DEVICE
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United States of America
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Issued Date -
Mar 19, 2020
app pub date -
Sep 13, 2019
filing date -
Sep 13, 2019
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Abstract
An electronically variable lighting device includes a power supply, an input device, one or more first light sources, one or more second light sources, and circuitry interconnecting the power supply and the input device with the light sources. The light sources are configured to produce a light beam shape for producing a desired light beam pattern. The circuitry is configured to control power supplied from the power supply to the one or more first light sources, the one or more second light sources, or both, to vary the light beam pattern. A method of electronically varying a light beam shape to produce a desired light beam pattern by a lighting device includes supplying power to one or more first light sources, supplying power to one or more second light sources, and varying the power supplied to the one or more first light sources, the one or more second light sources, or both.
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