Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes
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United States of America Patent
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Jan 20, 2015
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N/A
app pub date -
Mar 9, 2011
filing date -
Mar 10, 2010
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Abstract
A communication apparatus, an air conditioning system having the same, and a communication method for the air conditioning system using a refrigerant pipe are provided. The refrigerant pipe may be used as a transmission line to allow communications between an outdoor unit and an indoor unit, and a low frequency band signal and a core having an inductance value appropriate for the characteristic of a pipe communication frequency may be used to perform the pipe communication, which allows communications between the outdoor unit and the indoor unit without a separate communication line, resulting in minimizing noise interruption and affection of surge, and avoiding signal strength attenuation and signal radiation.
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