×

Apparatus and method for security tag detection

  • US 20070023521A1
  • Filed: 07/29/2005
  • Published: 02/01/2007
  • Est. Priority Date: 07/29/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A system for detecting a security tag comprising:

  • a source of radiation;

    an emission detector; and

    , a radiation and emission filtering means, in the optical path of the source of radiation and the emission detector, to direct radiation from the source of radiation to the security tag and from the security tag to the emission detector and having a signal to noise ratio between about 50 dB and about 130 dB.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×