| 摘要 |
PROBLEM TO BE SOLVED: To provide an information display control device that enables an easy and appropriate selection of a desired entry from entries whose explanatory information has been displayed. SOLUTION: In a history area HE31 on a history screen HW31, a list of history entries registered in a history list table at past display of explanatory information is displayed in a hierarchical structure in which the history entries are arranged in a tree depending on interrelations. In the history area HE31, a history selection marker M31 for specifying a history entry highlights a history entry, "computer" to select it. Beside the history list in the history area HE31, explanatory information about the selected history entry highlighted is displayed in a preview area PE31. COPYRIGHT: (C)2006,JPO&NCIPI
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