Compact bar code symbol reading system employing a complex of coplanar illumination and imaging stations for omni-directional imaging of objects within a 3D imaging volume
First Claim
Patent Images
1. An omni-directional image capturing and processing based bar code symbol reading system, comprising:
- a housing of compact construction having an imaging window formed therein; and
a plurality of coplanar illumination and imaging subsystems, disposed in said housing, for generating a plurality of coplanar light illumination beams (PLIBs) and field of views (FOVs), that are projected through and intersect above said imaging window to generate a complex of linear-imaging planes within a 3D imaging volume defined above said imaging window, for omni-directional imaging of objects passed therethrough.
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Abstract
An omni-directional bar code symbol reading system employing a plurality of coplanar illumination and imaging stations for generating and projecting a complex of coplanar illumination and imaging planes through an imaging window into a 3D imaging volume, through which object can be passed in flexible ways. The system has an ultra-compact construction, ideally suited for space-constrained retail scanning environments, and requires no moving parts.
146 Citations
95 Claims
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1. An omni-directional image capturing and processing based bar code symbol reading system, comprising:
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a housing of compact construction having an imaging window formed therein; and
a plurality of coplanar illumination and imaging subsystems, disposed in said housing, for generating a plurality of coplanar light illumination beams (PLIBs) and field of views (FOVs), that are projected through and intersect above said imaging window to generate a complex of linear-imaging planes within a 3D imaging volume defined above said imaging window, for omni-directional imaging of objects passed therethrough. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11-85. -85. (canceled)
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86. An omni-directional image capturing and processing system for installation in a POS environment, comprising:
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a system housing of compact construction having an imaging volume;
a plurality of coplanar illumination and imaging stations disposed in said system housing, and wherein each coplanar illumination and imaging station includes (i) a linear imaging array having optics providing a field of view (FOV) on said linear imaging array that extends into said 3D imaging array; and
(ii) a linear array of light emitting devices configured together to produce a substantially planar illumination beam (PLIB) that extends in substantially along the same plane as the FOV of said linear imaging array so that each said linear imaging array and corresponding linear array of light emitting devices produce a coplanar illumination and imaging plane (PLIB/FOVs) that projects through said imaging window and into said 3D imaging volume; and
wherein said plurality of coplanar linear illumination and imaging planes (PLIB/FOVs) project through said 3D imaging volume, for omni-directional imaging of objects passed therethrough. - View Dependent Claims (87, 88, 89, 90, 91, 92, 93, 94, 95)
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Specification