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Exception reduction and event reordering in an item tracking system

  • US 7,331,527 B2
  • Filed: 12/30/2004
  • Issued: 02/19/2008
  • Est. Priority Date: 12/30/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving first and second events associated with first and second states of an item, respectively, each event including an event timestamp indicative of a transmission or receipt time;

    adding, for each of the received first and second events, a delay time to the event timestamp, thereby associating a modified timestamp with each of the received first and second events;

    storing the first and second events for a duration based on the modified timestamps associated with each of the first and second events, respectively;

    sorting the stored first and second events based on the event timestamp for each of the first and second events; and

    interpreting the sorted first and second events.

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