| 摘要 |
The invention is directed to a control system which controls an apparatus using a network such as an IEEE 1394 high-speed serial bus, and aims at making it possible for an old control apparatus to control a new controlled apparatus even when the new controlled apparatus is connected to the old control apparatus which does not support control of the new controlled apparatus. <??>An HDR 4 is controlled by a first DTV 1 and a second DTV 2 via an IEEE serial bus 5, an HDR 45 performs a predetermined operation, a main subunit 40 activates the HDR 45 in response to an instruction which is from one or a plurality of the first DTV 1 and the second DTV 2 and directed to the HDR 4, and an auxiliary subunit 42 disguises as if it were an apparatus other than the HDR 4 and directly or indirectly activates the HDR 4 in response to an instruction which is from the first DTV 1, the second DTV 2 and is directed to an apparatus other than the HDR 4. <IMAGE>
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