Patent ID: 11922936
Assignee: LG ELECTRONICS INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. A home appliance, comprising:
a display device comprising a broadcast receiver, an external device interface, a network interface, an input unit, a display, an audio output unit, and a power supply unit;
a user input interface;
a storage configured to store a database of an operation history; and
a controller configured to:
in response to receiving an input from a remote controller, requesting to perform a previous operation through the user input interface, verify whether a first operation, corresponding to the request for performing the previous operation, is present in the operation history;
in response to there being the first operation, verify a type of a first command, mapped to the first operation, among commands included in the database;
in response to the type of the first command being a first type of a command in which a result of an operation corresponding to the command remains unchanged over time, determine the first operation to be the previous operation; and
in response to the type of the first command being a second type of a command in which a result of an operation corresponding to the command varies over time,
request the server to transmit data on an operation corresponding to the first command through the network interface,
generate a second operation corresponding to the first command by receiving the data on the operation corresponding to the first command from the server through the network interface, and
determine the second operation to be the previous operation,
update the first operation, included in the operation history, to the second operation in response to the second operation being determined to be previous operation.