HEATING SYSTEM WHICH TRANSMITS SIGNALS THROUGH AC POWER LINE
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United States of America Patent
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Issued Date -
May 15, 2014
app pub date -
Feb 26, 2013
filing date -
Nov 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A heating system includes a gas appliance and at least a remote control device and a communication between the gas appliance and the remote control device is via an AC power line. When a user input a command through the remote control device, a command signal is modulated and sent to the AC power line. A controller of the gas appliance receives the modulated command signal through the AC power line, and demodulates it to control the gas appliance accordingly. On contrary, a working signal generated by the gas appliance is modulated and sent to the AC power line. The remote control device receives the modulated working signal through the AC power line, and demodulates it to show the related message on a screen.
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