Communication system, communication device, and management method for communication system
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United States of America Patent
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Oct 29, 2019
Grant Date -
Dec 21, 2017
app pub date -
Aug 30, 2017
filing date -
Aug 19, 2015
priority date (Note) -
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Abstract
A communication system includes communication devices configured to be connected to one another through a network. A root device which is one of the communication devices stores system information including address information and information on availability of communication of the communication devices. The root device is configured to transmit the system information periodically. Each of the communication devices is configured to send an acknowledgement message to the root device when receiving the system information. When an acknowledgement message from one of the communication devices has not been received by the root device, the root device is configured to rewrite the information on availability of communication of the communication device from which the acknowledgement message has not been received by the root device, as incommunicable, and to update the system information accordingly.
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