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Countertop-based digital image capture and processing system having an illumination subsystem employing a single array of LEDs disposed behind an illumination focusing lens structure integrated within the imaging window, for generating a field of visible illumination highly confined below the field

  • US 7,997,489 B2
  • Filed: 01/31/2008
  • Issued: 08/16/2011
  • Est. Priority Date: 11/13/2003
  • Status: Active Grant
First Claim
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1. A countertop-based digital image capture and processing system, comprising:

  • a housing having an imaging window with an illumination-focusing lens structure integrated within said imaging window;

    an area-type image formation and detection subsystem, disposed in said housing, and having image formation optics for projecting a field of view (FOV) through said imaging window and onto an area-type image detection array, for forming and detecting 2D digital images of an object in said FOV, during object illumination and imaging operations;

    an illumination subsystem, disposed in said housing, having a single array of LEDs, disposed immediately behind said illumination-focusing lens structure, for generating a field of visible illumination that reflects off an object within said FOV and is transmitted back through said imaging window and onto said area-type image detection array to form one or more 2D digital images of said object, while said field of visible illumination is highly confined below the field of view of a system operator and customers who are present during object illumination and imaging operations;

    an image capturing and buffering subsystem, disposed in said housing, for capturing and buffering 2D digital images detected by said area-type image formation and detection subsystem;

    a digital image processing subsystem, disposed in said housing, for processing 2D digital images captured and buffered by said image capturing and buffering subsystem and reading one or more 1D and/or 2D code symbols graphically represented therein, and generating symbol character data representative of said read 1D and/or 2D code symbols; and

    a system control subsystem, disposed in said housing, for controlling and/or coordinating one or more said subsystems during object illumination and imaging operations.

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