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RFID interrogation of liquid/metal

  • US 20080198000A1
  • Filed: 02/18/2007
  • Published: 08/21/2008
  • Est. Priority Date: 02/18/2007
  • Status: Abandoned Application
First Claim
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1. A system for transmitting a low frequency radio frequency identification electro magnetic signal in a warehouse or distribution center environment;

  • a system of aiming a radio frequency identification transmission antenna which is attached to an interrogator;

    the function of which is to reduce signal to noise ratio within the warehouse or distribution center environment;

    the further function of which is to take advantage of angle of attack and angle of incidence of physical properties associated with radio frequency identification interrogation of materials consisting of, or packaged with, liquid or metal.

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