Digital image capturing and processing system employing a plurality of coplanar illuminating and imaging stations projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume so as to support pass-through and presentation modes of digital imaging at a point of sale (POS) environment
First Claim
1. A digital image capturing and processing system supporting pass-through and presentation modes of automatic digital imaging at a point of sale (POS) environment, comprising:
- a system housing having an imaging window with a surface; and
a plurality of coplanar illuminating and imaging stations, disposed within said system housing, for generating a plurality of coplanar illumination and imaging planes that are projected through said imaging window and into a 3D imaging volume definable relative to said imaging window;
wherein each said coplanar illumination and imaging station includes(i) an illumination subsystem having a linear illumination array including a plurality of light emitting devices for producing a planar illumination beam (PLIB), and(ii) an image formation and detection subsystem including a linear image sensing array having optics providing a field of view (FOV) on said linear image detection array, and extending substantially along said PLIB so as to form one said coplanar illumination and imaging plane (PLIB/FOV) that is projected through said imaging window and into said 3D imaging volume, for capturing linear (ID) digital images of objects moving through said 3D imaging volume, and subsequent processing to read information graphically represented in said linear digital images;
wherein said plurality of coplanar illumination and imaging planes are spatially arranged with respect to said imaging window so as to enable both said pass-through and presentation modes of automatic digital imaging at said POS environment.
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Abstract
An digital image capturing and processing system comprising a plurality of coplanar illumination and imaging stations projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume so as to support pass-through and presentation modes of digital imaging at a point of sale (POS) environment. Each station includes an illumination subsystem having a linear illumination array including a plurality of light emitting devices for producing a planar illumination beam (PLIB), and an image formation and detection subsystem including a linear image sensing array having optics providing a field of view (FOV) on the linear image detection array, and extending substantially along the PLIB. A plurality of coplanar illumination and imaging planes (PLIB/FOVs) are formed and projected through the imaging window and into the 3D imaging volume, for capturing linear (1D) digital images of objects moving through the 3D imaging volume. Each station includes an automatic illumination control subsystem for controlling the production of illumination by the illumination subsystem into the 3D imaging volume, as an object is detected moving within the 3D imaging volume.
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Citations
23 Claims
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1. A digital image capturing and processing system supporting pass-through and presentation modes of automatic digital imaging at a point of sale (POS) environment, comprising:
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a system housing having an imaging window with a surface; and a plurality of coplanar illuminating and imaging stations, disposed within said system housing, for generating a plurality of coplanar illumination and imaging planes that are projected through said imaging window and into a 3D imaging volume definable relative to said imaging window; wherein each said coplanar illumination and imaging station includes (i) an illumination subsystem having a linear illumination array including a plurality of light emitting devices for producing a planar illumination beam (PLIB), and (ii) an image formation and detection subsystem including a linear image sensing array having optics providing a field of view (FOV) on said linear image detection array, and extending substantially along said PLIB so as to form one said coplanar illumination and imaging plane (PLIB/FOV) that is projected through said imaging window and into said 3D imaging volume, for capturing linear (ID) digital images of objects moving through said 3D imaging volume, and subsequent processing to read information graphically represented in said linear digital images; wherein said plurality of coplanar illumination and imaging planes are spatially arranged with respect to said imaging window so as to enable both said pass-through and presentation modes of automatic digital imaging at said POS environment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification