Patent ID: 11885538
Assignee: LG ELECTRONICS INC.
Field: Other consumer goods (Other fields)
Classification: CPC F  A | IPC F

Claim 17:
18. A refrigerator comprising:
a compressor for compressing refrigerant;
an evaporator for performing heat exchange using the refrigerant compressed by the compressor;
a fan to operate for supplying cold air generated by the heat exchange in the evaporator to a cooling chamber;
an RF output device disposed in the cooling chamber, and for outputting an RF signal into a cavity; and
a controller for controlling the RF output device,
wherein the controller is configured to control to output the RF signal, in a state where the cooling chamber or a door of the cavity is closed, when a temperature of the cooling chamber is lower than or equal to a first temperature, and the temperature in the cavity is lower than or equal to a second temperature higher than the first temperature,
wherein the controller is configured to:
output a RF signal of a first power during a scan period,
determine a type of the goods based on a reflected RF signal during the scan period, and output an RF signal of a second power set based on the determined type of the goods after end of the scan period.