Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John C. Onderko0
Shawn J. Sullivan0
Sudhanshu Gakhar0
Date of Patent
November 3, 2009
0Patent Application Number
117551210
Date Filed
May 30, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lifting device equipped with an RFID scanning system having an article receiving area configured for receipt of a stack of articles having RFID tags associated therewith. A first scanning antenna is provided at a first height relative to the article receiving area, and a second scanning antenna is provided at a second height relative to the article receiving area that is above the first height. A computer control system is in communication with the first and second scanning antennas and applies a verification parameter to RFID signals received by the second scanning antenna to determine whether RFID tagged articles detected by the second scanning antenna are within the stack of articles carried by the lifting device.
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