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Security system for protecting information

  • US 4,794,470 A
  • Filed: 10/09/1986
  • Issued: 12/27/1988
  • Est. Priority Date: 06/25/1986
  • Status: Expired due to Fees
First Claim
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1. A security system using an electronic surveillance tag which is readily detected by an electronic circuit for preventing unauthorized use or removal of an electronic information reproducing device comprising:

  • a housing;

    an electronic information reproducing device contained within said housing;

    and electronic surveillance tag capable of producing a detectable electric signal secured within said housing prior to the sealing thereof so that no portion of said electronic surveillance tag is visible from outside said housing;

    sealing means for sealing said housing after said electronic information reproducing device and said electronic surveillance tag have been placed therein to prevent access into said housing;

    electronic drive means for obtaining information from said electronic information reproducing device; and

    said drive means having an electronic circuit for detecting the presence or absence of said electronic surveillance tag for enabling or disabling the use of said electronic information reproducing device.

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