Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-02-26
2008-12-09
Nguyen, Tai T (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S539130, C340S539260, C340S540000, C340S438000, C340S439000, C340S870030, C340S572100, C340S572400, C235S383000, C235S385000, C235S492000
Reexamination Certificate
active
07463147
ABSTRACT:
Identifying abandoned shopping carts, including: providing shopping carts with locators; associating store areas with zone identifications, and providing store aisles with readers for the locators; associating carts with at least one zone; identifying carts and determining that carts entered new zones; determining an amount of time carts are in zones, and when carts are in an unassociated zone for a specified time, designating carts as abandoned and alerting personnel.
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Alexander et al., “IBM Business Consulting Service Applying Auto-ID to Reduce Losses Associated with Shrink,” Nov. 1, 2002.
Chaney Craig W.
Grigsby Travis M.
Laffoon Christopher M.
Lemanski Kathryn J.
Srikanth Viswanath
Carpenter Robert K.
Carpenter & Assoc.
International Business Machines - Corporation
Nguyen Tai T
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