公开(公告)号：US11131501B2

公开(公告)日：2021-09-28

申请号：US16498229

申请日：2018-05-18

Applicant: LG Electronics Inc.

Inventor： Narae Kim ,  Sanggyu Kim ,  Hongyoon Jung

IPC: F25D29/00 ,  F25D25/02 ,  F25D25/00 ,  H04W4/38

Abstract: A refrigerator includes a cabinet that defines a storage compartment, food storage containers configured to be received in the storage compartment and disposed vertically above a bottom surface of the storage compartment, sensor units each of which is disposed at a lower surface of one of the food storage containers, antenna units disposed at the bottom surface of the storage compartment, where each of the antenna units corresponds to one of the sensor units, and a reader unit configured to receive signals transmitted from the antenna units. The bottom surface of the storage compartment partitions a lower portion of the storage compartment, and the sensor units include a salinity sensor configured to measure a salinity inside of the food storage containers and transmit the salinity to one or more of the antenna units.