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Security

  • US 6,911,908 B1
  • Filed: 10/04/2000
  • Issued: 06/28/2005
  • Est. Priority Date: 10/08/1999
  • Status: Expired due to Term
First Claim
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1. A security system for protecting articles, the system comprising at least one Emitting Unit, and one Detecting Unit attached to each article to be protected, characterized in that there is further provided at least one Electronic Article Surveillance (EAS) loop of a type used for detecting the passage of traditional EAS tags, wherein the Detecting Unit has a detector for detecting electromagnetic fields emitted by the EAS loop and the Emitting Unit and distinguishing between them, and an alarm generator for generating an alarm if a predetermined sequence of fields is detected.

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