| 摘要 |
<p>The present invention relates to a surveillance camera system for a gate door. The surveillance camera system comprises an outer case which includes a camera, a call button, a communication unit, a mike, and a speaker, and is installed in an ouster side of a gate door; and an inner case which is coupled to a connection pipe, is installed in an inner side of the gate door, and includes a connection unit penetrating a through hole and protruding in the outer case and a battery. In addition, according to the present invention, the camera device sends a visit message to a mobile device in accordance with operation of the call button, performs a video call by transmitting a photographed image from the mobile device to the mobile device in accordance with a video call signal, and transmits a door opening/closing signal to a door lock device in accordance with a door control signal received from the mobile device.</p> |
