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SCHEDULING USAGE OR PROVISION OF RESOURCES

  • US 20110029348A1
  • Filed: 03/31/2009
  • Published: 02/03/2011
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
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1. A method of obtaining a value indicative of resource-related activity in respect of a plurality of devices, said method using a network of metering means arranged to be in communication with one another, each of a plurality of said metering means being associated with at least one resource-consuming or resource-providing device and being arranged to obtain local resource-related activity data indicative of current levels of consumption or provision of said resource by said device or devices with which said metering means is associated, said method comprising:

  • a first one of said metering means initiating a circulation procedure by sending a token to a metering means downstream in said network of said first metering means, said token comprising an activity field for carrying a value indicative of resource-related activity data;

    said circulation procedure continuing, until said token is received by said first metering means, by each downstream metering means in turn receiving said token, updating said activity field in dependence on its own locally-obtained resource-related activity data such that said activity field carries a value indicative of combined levels of consumption and provision of said resource by devices associated with each metering means by which said token has been received since initiation of the circulation procedure, and forwarding said token to a further downstream metering means;

    in the event that said token is received by said first metering means, obtaining a value indicative of the combined level of resource-related activity in respect of devices associated with the metering means in said network in dependence on the value carried by the activity field.

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