Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 18, 2007
Patent Application Number
11091696
Date Filed
March 28, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A smart shelf system is disclosed. Objects are placed on a shelf that includes RFID tags. The objects prevent an RFID reader from reading certain RFID tags. The number of objects placed on the shelf may be determined by determining how many RFID tags are unreadable.
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