| 摘要 |
Disclosed is a security service system in a child care center which tracks a child location in real time, automatically operates a photographing unit in an emergency situation, and films even if a child does not press a button on a terminal. The system comprises: a terminal which stores identification information including class information and classification information; multiple wireless sensors which are arranged so as to receive the identification information from the terminal through periodical wireless transmission and reception with the terminal; a repeater which is connected with the wireless sensors through networks, adds a unique identifier and reception sensitivity of the wireless sensors to the received identification information, and transmits them; and a control server which checks information on the child or a vehicle with the received identification information, compares a measurement reception sensitivity pattern by the combination of the received unique identifier and the reception sensitivity to a standard reception sensitivity pattern, and tracks a moving path of the terminal. |
