US 6,205,123 B1Granted

State information managing method and system embodying the same

AssigneeYazaki Corporation

InventorYoshinori Nakatsugawa

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Abstract

In a system wherein a plurality of communication units are connected to a bus to exchange mutual communication and a collecting communication unit collects state information indicating respective states from report communication units to manage their state information, the collecting communication unit includes an address setting portion for setting information indicating that own unit is a unit for collecting state information as identification information, and each of the report communication units includes a report command setting portion for setting identification information as a destination address and also a report command including a destination address and the state information and a transmitting portion for transmitting the report command to the collecting communication unit based on the destination address in the set report command.

Claims12

Dependent claims

A state information managing method wherein a collecting communication unit is able to collect state information indicating respective states from one or more report communication units except the collecting communication unit to manage their state information in a communication system in which a plurality of communication units are connected to a bus to exchange mutual communication, the method comprising:

an identification information setting step of setting information indicating that own unit is a unit for collecting the state information as identification information in the collecting communication unit and also setting information indicating that own unit is not the unit for collecting the state information as the identification information in respective report communication units;
a report command setting step of setting a report command including a destination address having the identification information and the state information in respective report communication units;
and
a transmitting step of transmitting the report command from respective report communication units to the collecting communication unit based on the destination address in the report command which is set in the report command setting step.

1 more element

In a state information managing system wherein a collecting communication unit is able to collect state information indicating respective states from one or more report communication units except the collecting communication unit to manage their state information in a communication system in which a plurality of communication units are connected to a bus to exchange mutual communication,

the collecting communication unit comprising:
a first identification information setting portion for setting information indicating that own unit is a unit for collecting state information as identification information;
and
each of the report communication units comprising:
a second identification information setting portion for setting information indicating that the own unit is not a unit for collecting the state information as the identification information;
a report command setting portion for setting a report command including a destination address having the identification information and the state information;
and
a transmitting portion for transmitting the report command to the collecting communication unit based on the destination address in the report command set by the report command setting portion.

5 more elements

Dependencies are inferred from the claim text.