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Devices and methods for determining the amount of individual usage of a shared commodity

  • US 20060289623A1
  • Filed: 06/24/2005
  • Published: 12/28/2006
  • Est. Priority Date: 06/24/2005
  • Status: Active Grant
First Claim
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1. A method for tracking individual user consumption of a commodity delivered from a common source to two or more users, comprising:

  • determining an amount of a commodity drawn from a source;

    determining a user-state that indicates use of the commodity by each of at least two users; and

    reporting an individual user consumption of the commodity for said each of the at least two users, as a function of repeated determinations of the amount of the commodity drawn from the source and the user-state, for a number of repetitions greater than or equal to the number of users.

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