×

Triggering illumination for a data reader

  • US 20060180670A1
  • Filed: 12/01/2005
  • Published: 08/17/2006
  • Est. Priority Date: 12/01/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method of triggering a source of visible light for a data reader including an imaging reader having a scan zone, comprising:

  • illuminating at least a substantial portion of the scan zone with infrared illumination;

    placing in the scan zone an item bearing a symbol, thereby reflecting at least a portion of the infrared illumination;

    sensing the reflected infrared illumination via the imaging reader;

    attempting to read the symbol utilizing the sensed reflected infrared illumination;

    in response to sensing the reflected infrared illumination, triggering a source of visible light and illuminating the scan zone with the visible light; and

    reading the symbol via the imaging reader.

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