Patent ID: 9294298
Filing Date: 2016-03-22
CPC Classification: H04L,Y04S

Claim Text:
1. An electric product for a network system, comprising: a case having a coupler; a communication device in which energy information related to energy is received from a source device including an energy management device or a metering device, the communication device coupled to the coupler of the case; and a controller that controls an operation of an electric product based on the energy information and stores operation information and the energy information during when communication of the communication device with the source device is possible, wherein the controller checks whether the communication of the communication device with the source device is possible, and when the communication device is in a communication failure state, the controller controls the electric product according to whether the electric product is an intermittent operation product or a constant operation product, wherein, when the electric product is the intermittent operation product and if the controller recognizes an input of a command from a user for starting operation of the electric product, the controller controls the electric product to operate based upon stored energy information or operation information of the electric product while the communication of the communication device with the source device is possible, wherein, when the electric product is the constant operation product and if the controller recognizes that current time is within a time period in which the electric product operates based on the stored energy information or operation information of the electric product while the communication of the communication device with the source device is possible, the controller controls the electric product to operate based upon the stored energy information or operation information of the electric product, wherein the stored energy information and the operation information is updated by the electric product for each time of the operation of the electric product when the electric product operates during the communication failure state, and wherein the intermittent operation product comprises at least one of a washing machine, a cooking appliance, a dryer, a dish washer, and an air conditioner, and the constant operation product comprises at least one of a refrigerator and a water purifier.