| 摘要 |
PURPOSE: A door opening and shutting device of a video door phone is provided to open and shut an entrance door after exactly checking a person, who wants to enter a house without moving to the vicinity of the entrance to open or shut the door. CONSTITUTION: A door opening and shutting device of a video door phone includes a wire video door phone and a remote video door phone(300) for transmitting voice and image signals. The remote video door phone has a body(310), an antenna(320) for transmitting image and picture signal to the wire video door phone, a liquid crystal display(330) for checking a visitor, a speaker(340) mounted on a lower portion of the liquid crystal display, a door open button(37) for opening an entrance, a camera controller(390) for checking the visitor by rotating an entrance camera, and a microphone(400) for transmitting a user's voice.
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