| 摘要 |
PROBLEM TO BE SOLVED: To accurately determine the abnormality of an operator without deteriorating the operating efficiency of the operator. SOLUTION: Location information transmitted from an operator 10 is received, and the operator location is identified on a predetermined map 44 from the location information, and the secular change of the operator location is stored, and the abnormality of the operator is detected based on the secular change of the operator location, and warning is issued. COPYRIGHT: (C)2004,JPO
|
