CONTROL SYSTEM FOR TIME INFORMATION

摘要

PROBLEM TO BE SOLVED: To automatically match time information for all devices connected to a network without requiring manual operation. SOLUTION: A controlling device 100 includes a network connection control circuit 4 and a time circuit 3 which are connected to a network 1000 to enable information communication with terminals 200, 400 and a controller 300 connected to the same network. The controlling device 100 is used to periodically distribute time information to the terminals 200, 400 and the controller 300.