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Systems and methods for wirelessly transmitting data from a utility meter

  • US 20020145537A1
  • Filed: 01/25/2002
  • Published: 10/10/2002
  • Est. Priority Date: 01/25/2001
  • Status: Active Grant
First Claim
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1. A method of wirelessly transmitting periodic readings of a remote utility meter to a host computer, comprising:

  • (a) storing a plurality of meter reading values in a buffer;

    (b) processing said plurality of meter reading value in said buffer to determine the relative difference between a first meter reading value and a second meter reading value wherein said second meter reading value is the next sequentially stored meter reading value in said buffer relative to said first meter reading value;

    (c) determining whether said relative difference is less than a predetermined value;

    (d) determining the status of a compression flag, (e) if said relative difference is less than said predetermined value and said compression flag is not set, then setting said compression flag, transmitting a compression indication, and transmitting said relative difference;

    (f) if said relative difference is less than said predetermined value and said compression flag is set, then transmitting said relative difference;

    (g) if said relative difference is greater than said predetermined value, and said compression flag is not set, then transmitting said first meter reading value; and

    (h) if said relative difference is greater than said predetermined value, and said compression flag is set, then resetting said compression flag, transmitting a decompression indication and transmitting said first meter reading value.

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