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RFID System for Lifting Devices

  • US 20080297348A1
  • Filed: 05/30/2007
  • Published: 12/04/2008
  • Est. Priority Date: 05/30/2007
  • Status: Active Grant
First Claim
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1. A lifting device equipped with an RFID scanning system, said device comprising:

  • an article receiving area configured for receipt of a stack of articles having RFID tags associated therewith;

    a first scanning antenna at a first height relative to said article receiving area, and a second scanning antenna at a second height relative to said article receiving area above said first height;

    a computer control system in communication with said first and second scanning antennas, said control system applying a verification parameter to RFID signals received by said second scanning antenna as opposed to said first scanning antenna to determine whether RFID tagged articles detected by said second scanning antenna are within said stack of articles.

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