| 摘要 |
To change one-way information transmissions by picture display equipment in the streets and public facilities to a two-way system using Web-corresponding type portable information terminal units (hereafter, "Portable Terminal Unit"). For any information pictures which are shown by the screen display equipment in public places, the audience enter the personal ID number to display it. When the audience send the ID Number of interesting information to the providers through their Portable Terminal Unit, it becomes possible to exchange information at real time between the audience and providers and then, the two-way communication system will be established.
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