US Patent 9449208 Compartmentalized smart refrigerator with automated item management

A smart refrigerator system includes a plurality of compartments for storing food items and one or more tag readers. The smart refrigerator system may read a tag coupled to a food item using one of one or more tag readers. The smart refrigerator system may determine an identity of the food item, an associated date of the food item, and/or a compartment containing the food item. The smart refrigerator system may track item information that includes the identity of the food item, a state of the food item, and/or a compartment location of the food item. The smart refrigerator system may receive item usage information indicating when a user plans to use the food item and change a temperature of the food item. The smart refrigerator system may also generate a notification regarding freshness and/or a spoilage level of the food item and present it to the user.