| 摘要 |
PROBLEM TO BE SOLVED: To provide an information display device capable of preventing information different from an intention of an installation person from being displayed on the information display device side such as an electronic poster. SOLUTION: This information display device receives registration requirement for reference information from a terminal device on a user side, and registers and holds the reference information when the reference information related to the received registration requirement satisfies a prescribed registration condition. The information display device acquires information specified by the reference information registered by the user via a network and displays it. COPYRIGHT: (C)2007,JPO&INPIT
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