Samsung Electronics Co., Ltd.

Gye Young Lee

Il Kang Na

Dong Yun Hawng

Kwan Woo Song

Seong Joo Han

Myung Sik Kim

Seong Su Park

Disclosed herein is a food management system, a computing apparatus, and a refrigerator capable of dealing with frequent changes in a state of food stored in the refrigerator by tracking a state change of food in the refrigerator, without manual inputs from a user, and capable of expanding a service associated with food management, such as food purchase and capable of improving user convenience and accuracy of food management.

Food management system, computing apparatus and refrigerator

A smart home system using a portable device in which a gateway function is installed in the portable device to provide a smart home service using a multiplex gateway, and a control method thereof is provided. The smart home system includes one or more portable devices and one or more home appliances located in a home, each of the one or more portable devices and one or more home appliances having a gateway, a home network to interconnect the one or more portable devices and the one or more home appliances, and a master device selected from among the one or more portable devices or the one or more home appliances, the master device activating the gateway thereof to connect the home network with an external communication network, wherein the master device transfers a home appliance control command to a corresponding one of the one or more home appliances.

Smart home system using portable device

A power management apparatus and method are disclosed. The power management apparatus includes a communication unit to receive power management data including information about a pricing system being used by a consumer of power, a controller to create a power management screen on which the amount of power consumed is displayed according to the pricing system being used by the consumer, and an output unit to output the power management screen. According to the power management apparatus, a power consumer can be provided with information about various electricity pricing systems. Furthermore, information about current power rates and information on current power consumption can be displayed such that the consumer checks the information and efficiently uses power.

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Seoul, South Korea

Gye Young Lee