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Network of electronic devices assembled on a flexible support and communication method

  • US 9,520,921 B2
  • Filed: 05/30/2013
  • Issued: 12/13/2016
  • Est. Priority Date: 05/31/2012
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a flexible first layer; and

    first circuits fixed to the flexible first layer, wherein the first circuits are configured to communicate with each other using a mutual coupling without contact,wherein the mutual coupling without contact comprises magnetic coupling circuitry comprising;

    an antenna for each of the first circuits;

    a magnetic generator; and

    a passive line made of a pair of parallel extending strips of ferromagnetic material that extend in or on the flexible first layer and is magnetically coupled to the antenna for each of the first circuits;

    wherein the pair of parallel extending strips of ferromagnetic material for said passive line are coupled to the magnetic generator to form a closed magnetic loop circuit;

    wherein the magnetic generator applies an AC signal at a first frequency to the pair of parallel extending strips of ferromagnetic material to supply power to the first circuits, the first circuits communicating with each other using a second frequency different from the first frequency.

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