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Reader for decoding two-dimensional optically readable information

  • US 5,902,988 A
  • Filed: 06/05/1995
  • Issued: 05/11/1999
  • Est. Priority Date: 03/12/1992
  • Status: Expired due to Term
First Claim
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1. A portable data collection system for reading indicia in which an information set is encoded, comprising:

  • (a) a portable data collection terminal;

    (b) a code reader operatively disposed with respect to said portable data collection terminal for reading the indicia, said code reader comprising a photosensitive array for receiving an image of a linear area of the indicia, and means for successively rastering the linear area of the indicia which said photosensitive array receives wherein said photosensitive array receives an image of the indicia in its entirety whereby the information set may be decoded; and

    (c) means for automatically focusing the image received by said photosensitive array.

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