| 摘要 |
PROBLEM TO BE SOLVED: To enable construction of a single database by absorbing a difference in communication interface specification between devices by disposing a network connection device between a server and sensor terminal device, to collect information from devices with different communication interfaces, and also to enable controlling of an information terminal of an air-conditioner and the like by using various kinds of control application software using the database.SOLUTION: A network connection device for converting various kinds of sensor information communicated from various sensor devices via different communication interfaces into a given frame format and communicating with a server in compliance with a given communication protocol is disposed, to communicate the sensor information to the server via a unified discretionary communication interface. |
