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Toroidal choke inductor for wireless communication and control

  • US 20040079524A1
  • Filed: 10/20/2003
  • Published: 04/29/2004
  • Est. Priority Date: 01/24/2000
  • Status: Active Grant
First Claim
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1. A current impedance apparatus for using a time-varying electrical current in a conductor, comprising an induction choke generally configured for enveloping a portion of said conductor such that with—

  • said choke positioned in enveloping relation about said portion of said piping structure, and with a device electrically connected to said conductor between one side of said choke and another side of said choke, a voltage potential is developed on the conductor on each side of said choke when a time-varying electrical current is transmitted through and along said portion of said conductor and such that a portion of said current travels through said device electrically connected to said conductor on each side of said choke.

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