H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/233
H04L 13/00 (2006.01) G06F 13/00 (2006.01) G06F 13/42 (2006.01) G06F 15/16 (2006.01) H04L 12/403 (2006.01)
Patent
CA 1281432
Abstract of the Disclosure According to a multipoint link data-transmission control system, a master transmission device delivers message data via a bidirectional transmission path to a plurality of slave transmission devices, the data containing a control field for designating control data for setting or resetting a flag. The transmitting of data from the slave transmission device to the master transmission device is allowed when the flag is set, and is inhibited when the flag is reset. Where the transmitting of data from a faulty slave transmission device is to be inhibited, the master transmission device transmits the data to the faulty slave trans- mission device, by designating flag reset data to the control field of the message data. As a result, a transmission-enable signal, which is delivered in syn- chronization with a transmission-timing clock signal, is reset, thereby stopping the transmitting of data from the slave transmission device to the master transmission device.
533235
Nishida Toshio
Shirakawa Masakazu
Yamashita Hiroaki
Kabushiki Kaisha Toshiba
Marks & Clerk
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