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United States of America Patent
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Issued Date -
May 4, 2017
app pub date -
Oct 28, 2015
filing date -
Oct 28, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A heating, ventilation, and air conditioning (HVAC) device that includes a transmitter configured to generate a transmission signal. A splitter is operably coupled to the transmitter and is configured to output the transmission signal to an antenna and output a reflected signal to a microprocessor. The HVAC device also includes a memory that is operable to store at least a baseline frequency threshold for a room. The microprocessor is operably coupled to the transmitter, the splitter, the memory, and is configured to determine a frequency difference between the frequency of the transmission signal and the frequency of the reflected signal, compare the frequency difference to the baseline frequency threshold, determine that an object is moving when the frequency difference is greater than the baseline frequency threshold, and output a first control signal to adjust a temperature if the object is determined to be moving.
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