| 摘要 |
<p>Provided are: a display-device information-management unit (101g) for reading from a programmable display device (120, 130) display-device body information showing the history of information output externally by the programmable display device (120, 130) and display-device operation-history information showing the history of operations performed on the programmable display device (120, 130), extracting reserved words included in the display-device body information and the display-device operation-history information read by the information-management unit, and creating a display-device body-information database and a display-device operation-history-information database having a plurality of records including search-key fields corresponding to the reserved words; a display-device information-search unit (101f) for extracting records from the display-device operation-history information database including the same search keys as the search keys included in records specified by user operations from among the records of the display-device body-information database; and a search-result display unit (101e) for causing to be displayed as an operation-history list on a display unit (105) records extracted from the display-device operation-history information database.</p> |
