ELECTRONIC DEVICE, ELECTRONIC DEVICE USING METHOD, AND ELECTRONIC DEVICE SYSTEM

When an IRD (103) performs reservation operation to use a bus in order to transmit broadcasting data from the IRD (103) through the bus in a desired time zone, the IRD (103) inquires all the devices connected to the bus, such as DVD (104), D-VTRs (1101 and 102), a CAM (105), a TV (100), and an isoch...

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Bibliographische Detailangaben
Hauptverfasser:	NOZOE, TAKAHIKO, GOTO, HIDEFUMI, HASEGAWA, TSUKASA, FUKUSHIMA, SHINICHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	When an IRD (103) performs reservation operation to use a bus in order to transmit broadcasting data from the IRD (103) through the bus in a desired time zone, the IRD (103) inquires all the devices connected to the bus, such as DVD (104), D-VTRs (1101 and 102), a CAM (105), a TV (100), and an isochronous manager section (107) of the D-VTR (1101) of the information about the present bus using states and bus reservations states. The manager section (107) and the other devices give the IRD (103) answers to the inquiry. The IRD (103) judges the possibility of the reservation from the answers. Then the IRD (103) judges that the reservation is possible, performs reservations. When the IRD (103) judges that the reservation is impossible, the IRD (103) displays the reason on the TV (100). Therefore, the use of devices beyond the transfer capacity of the bus is prevented.