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Modular focus system alignment for image based readers

  • US 8,803,060 B2
  • Filed: 03/05/2012
  • Issued: 08/12/2014
  • Est. Priority Date: 01/12/2009
  • Status: Active Grant
First Claim
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1. An image based code reader comprising:

  • a lens mount secured within a lens mount housing, the lens mount including at least one aligning tab;

    a lens barrel received by the lens mount;

    a sensor for capturing image data reflected from a target object;

    an imager lens assembly coupled to the lens barrel and configured to focus the image data onto the sensor; and

    a removable lens attachment including at least one key slot configured to couple to the at least one aligning tab such that the lens attachment can only be placed onto or removed from the lens mount at one predetermined angular position of the imager lens.

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