ALERT NOTIFICATION CONTROL PROGRAM, ALERT NOTIFICATION CONTROL METHOD, ALERT NOTIFICATION CONTROLLER, AND ALERT NOTIFICATION CONTROL SYSTEM

摘要

PROBLEM TO BE SOLVED: To improve safety property.;SOLUTION: An alert notification controller 100 acquires a piece of position information from each of plural terminal units 110 including a first terminal unit 110 and a second terminal unit 110. The alert notification controller 100 controls to transmit an alert to a first terminal unit 110 that the second terminal unit 110 has got close to a dangerous area 130, which is detected depending on the distance between the first terminal unit 110 and the second terminal unit 110 on the basis of the acquired position information.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT