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Tire measuring device with a modulated backscatter transponder self-sufficient in terms of energy

  • US 7,076,998 B2
  • Filed: 11/13/2003
  • Issued: 07/18/2006
  • Est. Priority Date: 11/15/2002
  • Status: Expired due to Fees
First Claim
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1. A tire measuring device comprising:

  • a converter for converting ambient energy to an alternating value;

    a reflector for an electromagnetic signal that can be modulated via the alternating value;

    a piezoelectric layer as the energy converter, anda layer with a controllable dielectric.

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