Item storage device and item storage method thereof

Abstract

The present invention provides an item storage device, comprising: a port for storing items entering and leaving the storage area; a first chamber connected to the port and shielded from the outside of the item storage device by a first door provided between the port and the first chamber; a second chamber connected to the first chamber and shielded from the first chamber by a second door provided between the first chamber and the second chamber; and a processor that controls the first door and the second door in such a way that the port is not connected to the second chamber when the items enter the storage area from the port to the second chamber or leave the storage area from the second chamber to the port.

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