| 摘要 |
PURPOSE: A security system for providing a closed type SNS(Social Network Service) service is provided to install an SNS server inside a controller, thereby protecting personal information. CONSTITUTION: A controller(110) includes an SNS server(111). A communication device group(120) includes a plurality of communication device(121-123) which is electrically connected to the controller. A guard device group(130) is electrically connected to the controller. The guard device group includes a plurality of guard devices(131-133) which is controlled by the controller. When a message is transmitted from a communication device, the controller transmits the message to the communication device group. [Reference numerals] (10) Unregistered communication device; (110) Controller; (111) SNS server; (121) First communication device; (122) Second communication device; (123) Third communication device; (131) First guard devices; (132) Second guard device; (133) Third guard device |
