Pulse width modulated binary frequency shift keying
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United States of America
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Feb 4, 2020
Grant Date -
Jun 21, 2018
app pub date -
Dec 19, 2016
filing date -
Dec 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A control system that facilitates energy efficient management of building automation systems is disclosed. The control system comprises a source circuit configured to generate a modulated DC control signal comprising data modulated on a DC source signal having a power associated therewith and a load circuit configured to receive the modulated DC control signal. In addition, the control system comprises a transmission circuit comprising a DC powerline, coupled between the load circuit and the source circuit, and configured to transfer the modulated DC control signal from the source circuit to the load circuit, thereby multiplexing both the power and the data transfer over the DC powerline. In some embodiments, a frequency of the modulated DC control signal comprises a first information associated with the data, and a pulse width of the modulated DC control signal comprises a second, different information associated with the data.
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