| 摘要 |
PURPOSE: A lost child preventing system using a short range wireless communications network and a service providing method using the system are provided to transfer an emergent situation to a care center server of a district police server in a real time. CONSTITUTION: A map data providing server(3) is connected with a central control terminal(1) to a wireless internet. A care central server(4) is connected with the central control terminal to the wireless internet. A police station server(5) is connected with the central control terminal to the wireless internet. A plurality of ID tags(2) is composed of memories and short range communications modules. The ID tag supplies position information of care target persons through short range wireless communications with the central control terminal. |
