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Wireless sensor platform

  • US 9,729,193 B2
  • Filed: 11/11/2014
  • Issued: 08/08/2017
  • Est. Priority Date: 11/11/2014
  • Status: Active Grant
First Claim
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1. A wireless sensor, comprising:

  • a flexible substrate formed of at least one of a paper material and a fabric material having at least one surface that is electrically insulating; and

    a plurality of components disposed on the at least one surface, the plurality of components comprising a communications system, at least one sensor device communicatively coupled to the communications system, and at least one antenna electrically coupled to the communications system;

    wherein each of the at least one sensor device and the at least one antenna is a planar device fabricated using ink during an ink printing process performed by an ink printing machine, the ink defining high conductivity printed metal lines;

    wherein the communications system receives sensor signals from the at least one sensor device, encodes the sensor signals into a bit sequence via code shift keying using a spread spectrum coding, and transmits the bit sequence; and

    wherein the communications system comprises a transmitter power equal to 10 milliwatts and a range of over 5 miles that are at least partially enabled using a pulse thermal processing (“

    PTP”

    ) curing process to cure the high conductivity printed metal lines at a low thermal budget on the flexible substrate with a processing temperature less than or equal to 200°

    C.

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