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System and method of verifying item placement on a security scale

  • US 7,347,367 B2
  • Filed: 02/13/2004
  • Issued: 03/25/2008
  • Est. Priority Date: 02/13/2004
  • Status: Active Grant
First Claim
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1. A method of verifying item placement on a security scale comprising the steps of:

  • receiving an incremental weight signal from the security scale;

    determining whether an item detection signal was received from an item detector within a predetermined time period prior to receipt of the incremental weight signal;

    performing a weight comparison test involving a comparison of incremental weight information in the incremental weight signal to reference weight information if the item detection signal was received; and

    ignoring the incremental weight signal if the item detection signal was not received within the predetermined time period prior to receipt of the incremental weight signal.

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