Method and system for data transmission and communication using imperceptible differences in visible light
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United States of America Patent
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Mar 13, 2018
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N/A
app pub date -
Oct 9, 2013
filing date -
Oct 9, 2012
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Abstract
An exemplary system for communicating data includes a light source that emits light and a processing device that receives and encodes data into a communication signal. A modulator modulates light emitted by the light source, wherein the modulation is imperceptible to the human eye, and the modulated light includes the encoded data. The modulation of the transmitted light is imperceptible to a human eye. A receiving device receives the modulated light and processes the light to decode the encoded signal and obtain the data.
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