| 摘要 |
PURPOSE: An advertisement method in a document data playback process through a portable terminal is provided to reduce the repulsion or hostility of a user for specific advertisement display by enabling the user to accurately determining the reading point of document data. CONSTITUTION: Information data is stored in a portable terminal after the information data including specific advertisement is downloaded in document data provided from an information providing server(S22,S23). When the stored information data is reproduced on a screen, advertisement time is determined by establishing a display mode which is successively displayed and by establishing one or more display units of document data content(S25,S26). |
