| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily grasp an elapsed time from a use start time about each of management objects in use from among a plurality of management objects. <P>SOLUTION: A situation management device is provided with a storage part for storing status information for discriminating whether each of a plurality of management objects is in a non-use status or in a use status in association with identification information for identifying each of the management objects, and for storing an elapsed time from a use start time with respect to the management objects in the use status. The situation management device is configured to, each time the management object is changed from the non-use status to the use status, or changed from the use status to the non-use status, update status information with the post-change status, and to, when accepting the selective input of any one time zone from among gradually discriminated residence time zones, extract the identification information of the management objects within the range of the residence time zone from the storage part, and to output the extracted identification information of the management objects. <P>COPYRIGHT: (C)2011,JPO&INPIT |
