Lighting device and lighting system
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United States of America Patent
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app pub date -
Jul 21, 2016
filing date -
Jul 29, 2015
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Abstract
A lighting device includes: an illuminator which emits illumination light; a clock which measures time; a receiver which receives input of a set time from a user; a sensor which detects whether an eye of the user is open; and a controller which controls, at or after the set time, the illuminator, based on a result of the detection by the sensor.
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