| 摘要 |
A communication system includes a communication control section which may receive bus use requests of both of a DV camera/recorder (50) which becomes an output machine on a serial bus (60D) and a DV deck (40) which becomes an input machine on the serial bus (60D), may check whether or not the serial bus (60D) which were requested to be used is in use, may open the serial bus (60D) to the DV camera/recorder (50) and the DV deck (40) which issued the use requests, may protect a connection between the DV camera/recorder (50) and the DV deck (40), may open a serial bus (60A) to an IRD receiver (10) and a mini disc (20) which issued use requests and which may protect a connection between the IRD receiver (10) and the mini disc (20). According to this arrangement, even when data used on a communication control bus have different signal formats, a communication control bus of other specific interval in which the use requests are not overlapped can be used simultaneously by other electronic devices, and such communication control bus can be used effectively.
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