| 摘要 |
PURPOSE:To make it possible to remotely rewrite all ID data distributed to terminal equipments from the broadcasting center side. CONSTITUTION:A memory 12a for storing ID data necessary for poling from the broadcasting center 3 is provided in each terminal equipment 12 and a control part 14 for controlling the fixed number of terminal equipments 12 is connected to a control line 13 connecting the center 3 to respective terminal equipments 12. All ID data can be remotely rewritten from the center 3 by controlling the writing of the ID data in the individual memories 12a of the terminal equipments 12 through the control parts 14.
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