| 摘要 |
Since an individual can be identified according to the invention, one portable terminal apparatus is available by plural users. This invention also enables the portable terminal apparatus to be downsized and the power dissipation thereof to be saved. Making information relative to materials displayed on a large-sized image apparatus accessible to user enhances convenience of accessing information. Portable terminal apparatus (13) includes an individual identification acquiring means and means for transmitting individual identification information. Central controller (12) allows for comparing a piece of individual identification data stored in the storage means (31C) to the received individual identification information and, if an individual identification code could be specified, the portable terminal apparatus (13) obtains information from the base apparatus (2). Further, distributive information storage means (31A) stores information to be distributed. Information relative to a material displayed on a large-sized image display apparatus (5) is transmitted from the base apparatus (2) to the portable terminal apparatus (13) through a communication line.
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