| 摘要 |
PROBLEM TO BE SOLVED: To prevent a time loss caused by a plurality of times of tuning by efficiently utilizing a band. SOLUTION: A receiver 3 is configured on a Java platform 5. In channels A, B and D, BML contents are distributed. In a channel C, VRML contents are distributed. The receiver 3 acquires a presentation engine (PE) to be utilized for the channel, afterwards, starts the PE, acquires, interprets and implements the contents of the channel. A BML browser under utilizing for the channels A, B and D is distributed through a channel E. A VRML browser to be utilized for the channel C is distributed by the same channel as contents. By separately distributing the BML browser to be utilized for the channels A, B and D, it is not necessary to repeatedly distribute the BML browser for these channels, and the band can be efficiently utilized.
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