Low-Profile Scan Mat With Inward-Facing Multi-Imager Scanning
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Solution Overview
Problem
Bi-optic readers have limitations in access and space requirements, being orientation-specific and having large footprints that restrict efficient scanning and deployment.
Innovation Solution
A low-profile imaging device with a substrate structure and frame structure that positions multiple imagers inwardly facing toward a central region, forming a scan volume with overlapping fields of view, allowing for orientation-independent scanning and reduced footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If bi-optic readers use platter and tower assemblies to generate scanning regions, then scanning capability is improved, but device footprint becomes large
Solution Approach 1:
The patent transitions from vertical stacking (platter below surface, tower above surface) to a planar arrangement where multiple imagers are positioned around a central scanning region on the same surface plane. This dimensional reconfiguration reduces the vertical footprint while maintaining scanning capability through overlapping fields of view arranged horizontally.
Solution Approach 2:
The scanning function is segmented into multiple independent imagers positioned at different locations around the scanning region. Each imager contributes a portion of the overall scanning coverage, and their overlapping fields of view collectively provide complete scanning capability without requiring a single large vertical assembly.
2Device complexity
If bi-optic readers use orientation-specific design, then internal imager configuration is simplified, but user access to scan volume is limited
Solution Approach 1:
The patent employs asymmetric positioning of multiple imagers around the scanning region, with each imager oriented at different angles to cover specific sectors. This asymmetric arrangement provides omnidirectional access capability while maintaining relatively simple individual imager configurations, as each imager only needs to cover its designated sector rather than requiring complex multi-directional imaging.
Solution Approach 2:
The imaging device achieves universal access from multiple directions by positioning imagers at opposing sides and arranging their fields of view to overlap. This allows the device to function effectively regardless of the user's approach direction, making the system universally accessible while keeping individual imager designs relatively simple.
3Productivity
If bi-optic readers define volumetric field of view, then scanning efficiency is improved, but physical access to scan volume is restricted
Solution Approach 1:
The patent creates a volumetric scan region through horizontal arrangement of multiple imagers positioned around the scanning area, rather than through vertical stacking. The overlapping fields of view from laterally positioned imagers define a three-dimensional scan volume that remains accessible from multiple sides, combining volumetric scanning efficiency with omnidirectional physical access.
Data Source
AI summary
Imaging devices are provided having a low-profile substrate structure with a mounting surface that can be removably placed on flat work surface. Further, a low-profile frame structure coincides with a peripheral region of that substrate structure and contains a plurality of imagers, at least some of which are on opposing sides of the substrate structure. The opposing imagers are positioned such that the respective fields of view are inwardly facing toward a central region of an upper surface and define a scan volume extending across the substrate structure and above the central region. The upper and lower bounds of the imaging device form a low-profile assembly generally accessible to scan objects moving across any direction.