×

Method and apparatus for fraud detection

  • US 20030062243A1
  • Filed: 09/28/2001
  • Published: 04/03/2003
  • Est. Priority Date: 09/28/2001
  • Status: Active Grant
First Claim
Patent Images

1. A system for detecting fraudulent coin or token submission to a gaming device comprising:

  • one or more light sources configured to generate light energy;

    one or more light detectors configured to detect light energy;

    one or more modulators configured to generate and provide one or more modulated signals to the one or more light sources; and

    a controller connected to at least one of the one or more modulators and at least one of the one or more light detectors.

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