LIGHTING CONTROL SYSTEM AND LIGHTING CONTROL METHOD
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United States of America Patent
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Nov 17, 2016
app pub date -
May 12, 2016
filing date -
May 15, 2015
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Abstract
A lighting control system includes lighting equipment that illuminates an area; processing circuitry to sequentially obtain thermal images, each representing a spatial temperature distribution in the area at a corresponding time, determine whether a user is present in the area, based on one of the obtained thermal images, and determine whether the user is staying in the area, when it is determined that the user is present in the area, based on a change between the thermal images of the area sequentially obtained by the processing circuitry. The lighting control system further includes a control circuit to control the lighting equipment in accordance with whether the processing circuitry determines that the user is staying in the area.
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