System and method of managing inventory
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United States of America Patent
Stats
-
Aug 5, 2003
Grant Date -
N/A
app pub date -
Mar 13, 2002
filing date -
Mar 13, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An inventory management system which determines item location and time spent on a shelf. The system includes an electronic shelf label (ESL) system including an ESL, a radio frequency identification (RFID) label interrogator associated with the ESL, RFID labels attached to items associated with the ESL, and a computer. The computer uses the ESL system to activate RFID labels on the items, obtains RFID label information from the RFID labels through the ESL system, and stores the RFID label information in a record. The computer completes repeats the process and compares the latest RFID label information with previous RFID label information to determine which items have been added or removed from the shelf.
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