Code reader having replaceable optics assemblies supporting multiple illuminators

  • US 6,249,008 B1
  • Filed: 03/06/2000
  • Issued: 06/19/2001
  • Est. Priority Date: 03/01/1996
  • Status: Expired due to Term
First Claim
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1. A method for reading optical indicia on a target surface using a code reader, said method comprising the steps of:

  • selecting a first type of illuminator to conduct at least one read attempt by illuminating the optical indicia, and decoding said signals from at least one detector; and

    selecting a second type of illuminator to illuminate the optical indicia and decoding said signals from at least one detector to conduct at least one subsequent read attempt if the read attempt by means of said first type of illuminator is unsuccessful.

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