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Tamper detectable electronic security package

  • US 5,506,566 A
  • Filed: 05/06/1993
  • Issued: 04/09/1996
  • Est. Priority Date: 05/06/1993
  • Status: Expired due to Fees
First Claim
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1. An intrusion detection electronic circuit comprising:

  • a containment wall in combination with first and second transmission lines, the first and second transmission lines being spaced adjacent one another throughout the containment wall;

    a transmitter having first and second outputs connected to the first and second transmission lines respectively, for transmitting signals in antiphase relationship one with the other;

    a receiver including first and second inputs, connected to the first and second transmission lines respectively for receiving signals therefrom; and

    a detector, for detecting an in phase component in signals received at the first and second inputs.

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