Patent ID: 9012814
Filing Date: 2015-04-21
Classification: F24C

Abstract:
1. A cooking appliance comprising: a cavity; a door that opens or closes the cavity to receive food; an RF reader for reading an RF tag of food as integrant of a dish; a memory for storing dish information about dishes that can be cooked; a door sensor to sense a closed state or an open state of the door; a controller for reading dish information from the memory; and a display unit for displaying at least one of the dish information and alarm information to a user, wherein the RF reader is turned on to determine the RF tag when the door sensor senses the closed state of the door, wherein the controller is configured to determine whether the RF reader reads the RF tag of food after sensing the closed state of the door by the door sensor before starting of cooking of the food in the cavity, and wherein, when the RF reader reads the RF tag of food, the controller controls the display unit to display the alarm information to prevent starting of cooking of the food in the cavity and the controller performs operations of a warning mode.