Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-04-05
2011-04-05
Goins, Davetta W (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572100, C340S572200, C340S666000, C340S667000
Reexamination Certificate
active
07920062
ABSTRACT:
The present invention teaches and discloses method and apparatus for alerting a grocery store check out cashier of merchandise placed on the bottom tray of a typical grocery shopping cart. A passive RFID transponder is incorporated into the structure of the cart which when interrogated by an associated reader, located at the cashier's check out station, responds with a signal verifying the presence, or absence, of an unseen item upon the carts bottom tray.
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Konstad Rolf A.
Lawrence Jeffery W.
Evolution Robotics Retail, Inc.
Goins Davetta W
Stoel Rives LLP
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