×

EPL price change verification system and method

  • US 6,012,040 A
  • Filed: 06/20/1997
  • Issued: 01/04/2000
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of verifying that a first price displayed by an electronic price label (EPL) has been replaced by a second price comprising the steps of:

  • reading a record associated with the EPL to determine a price change time;

    sending a price check message to the EPL after the price change time; and

    if a return message indicates the EPL is not displaying the second price, sending a price change message to the EPL to command the EPL to display the second price.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×