| 摘要 |
PROBLEM TO BE SOLVED: To control a user device even in a bad communication environment.SOLUTION: A network system 100 has a plurality of user devices 120, 120, ... and a plurality of node devices 110, 110, ... which are connected to the user devices 120, 120, ... by cables, and performs wireless communication with the node devices 110, 110,.... When a PC 120A transmits an ON-command, which changes the state of an electronic device 120B (1) to the ON-state, to the electronic device 120B (1), the PC 120A also transmits an OFF-command with a timer, which changes an ON-state of the electronic device 120B (1) to an OFF-state after a predetermined standby time passes. When receiving the ON-command, a child node device 110B (1) transmits the ON-command to the electronic device 120B (1) and when receiving the OFF-command with a timer, the child node device 110B (1) transmits the OFF-command to the electronic device 120B (1) after the standby time passes. |
