| 摘要 |
PURPOSE: A refrigerator system connected to door phone is provided to efficiently utilize a memory. CONSTITUTION: A system comprises an outdoor door phone(30) generating bell as a visitor push a button and having a microphone or a camera installed thereon to transmit voice or image of the visitor to a room; a door phone output part(31) connected to the outdoor door phone to output the image or the voice of the visitor and to transmit synchronizing signal; and an Internet refrigerator(40) connected to the outdoor door phone through a synchronizing signal line(50) and receiving the synchronizing signal and the image or voice data of the visitor to record when the button of the outdoor door phone is pushed.
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