Metal Pipe Managed By Wireless Tag And Wireless Tag

  • US 20100231474A1
  • Filed: 05/25/2010
  • Published: 09/16/2010
  • Est. Priority Date: 11/28/2007
  • Status: Active Grant
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First Claim
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1. A wireless tag comprising:

  • a power feeding unit to feed electric power in order for a metal pipe to function as an antenna, the power feeding unit being placed inside the metal pipe that is formed with a slot having a predetermined length in a longitudinal direction; and

    an IC (Integrated Circuit) chip placed inside the metal pipe and connected to the power feeding unit.

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