OPTICAL TRANSMISSION APPARATUS FOR VISIBLE LIGHT COMMUNICATION
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United States of America Patent
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Issued Date -
Sep 15, 2011
app pub date -
Jan 11, 2011
filing date -
Mar 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein is an optical transmission apparatus for visible light communication. The optical transmission apparatus includes a power conversion unit, a drive unit, an encoding unit, a control unit, and a detection unit. The power conversion unit provides Direct Current (DC) power to the lighting LED lamps. The drive unit is operated using a switching drive method and supplies operating current to the lighting LED lamps. The encoding unit is connected to an external network, receives and encodes data, and provides it to the drive unit. The control unit controls the operation of the power conversion unit, the drive unit, and the encoding unit. The detection unit measures the strength of a visible light signal sent by the lighting LED lamps.
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