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Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols

  • US 5,504,316 A
  • Filed: 11/17/1993
  • Issued: 04/02/1996
  • Est. Priority Date: 05/08/1990
  • Status: Expired due to Term
First Claim
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1. A scanning system including a scanning head operable both in portable and fixed modes for reading indicia such as barcode symbols by scanning such indicia according to a predetermined scan pattern, comprising:

  • means for determining whether operation of the scanning head is in a fixed or portable mode;

    means for determining the information content of indicia being read during a first period using a first scan pattern;

    means for adapting the first scan pattern to an optimized second pattern based upon said information content for such mode of operation.

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