Patents Represented by Attorney Michael A. Jackolski

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  • Modular focus system for image based code readers
    Patent number: 8134116
    Abstract: A modular focus system for image based code readers includes swappable lens attachments enables fixed focus, manual focus, and variable focus operation from a single reader. A manual focus lens cap includes a manually adjustable focus ring to change the focus of the reader. A variable focus lens module includes a liquid lens that is manipulated by a voltage delivered via a pair of electrodes to adjust the focus of the reader. The lens attachments can be swapped out and replaced as needed.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: March 13, 2012
    Assignee: Cognex Corporation
    Inventors: Laurens Nunnink, Richard Reuter