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

Claim 0:
1. 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 in the cooling chamber; and
a controller for controlling the RF output device,
wherein the controller is configured to output the RF signal to goods in the cavity, and to operate in a first period in which a temperature of the goods falls, and a second period in which the temperature of the goods increases after the first period and maintains,
wherein when the RF output device operates, a temperature of the cavity is higher than a temperature of other area in the cooling chamber,
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.