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Electronic card with indicator of normal operation

  • US 5,889,267 A
  • Filed: 09/11/1997
  • Issued: 03/30/1999
  • Est. Priority Date: 09/16/1994
  • Status: Expired due to Fees
First Claim
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1. An electronic card comprising:

  • an electronic control circuit;

    an electro-optical element connected to the electronic control circuit and configured as an operation indicator;

    a power supply source connected to the electronic control circuit;

    at least one affixing element adapted to attach the electronic card to an object;

    electrical tracks connecting the electronic control circuit with the electro-optical element and the power supply source; and

    at least one embrittlement groove configured to destroy at least one of the electrical tracks, the electronic control circuit, the electro-optical element, the power supply source, and other physical elements, upon removal of the electronic card from the object to which the electronic card is adapted to be attached.

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