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Method for detecting and reporting failures in EPL systems

  • US 6,043,751 A
  • Filed: 03/27/1997
  • Issued: 03/28/2000
  • Est. Priority Date: 07/17/1995
  • Status: Expired due to Term
First Claim
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1. A method of monitoring the voltage of a battery within an electronic price label (EPL) comprising the steps of:

  • transmitting a request for battery voltage status message to the EPL by a computer within a transaction establishment;

    transmitting an answer message containing the battery voltage to the computer by the EPL;

    comparing the battery voltage to fault data within a fault data file stored within a storage medium by the computer;

    determining from the comparison whether the battery voltage is below a predetermined minimum battery voltage; and

    if the battery voltage is below the predetermined minimum battery voltage, automatically transmitting a fault message indicating that the battery voltage is too low to a support organization outside the transaction establishment.

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