Lighting device
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United States of America Patent
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Jun 27, 2017
Grant Date -
Sep 8, 2016
app pub date -
Feb 11, 2016
filing date -
Mar 5, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A lighting device includes: a metal casing; a power supply circuit which is disposed in the metal casing and supplies power to a light source; an antenna disposed in the metal casing; a radio circuit which is disposed in the metal casing and receives a radio signal via the antenna; a control circuit which controls the power supply circuit according to the radio signal received by the radio circuit; at least one opening that communicatively connects an inside and an outside of the metal casing; and a line which is inserted in the at least one opening and insulated from the metal casing, the line being conductive and having open ends.
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