Texturized Platter Surface for Decodable Indicia Reading Terminal
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Solution Overview
Problem
Current decodable indicia reading terminals face challenges with glare and unpleasant light reflections from platters, particularly due to brushed surfaces aligned with substrate motion directions, which can cause distractions and eye fatigue for users.
Innovation Solution
The implementation of a decodable indicia reading terminal with a texturized platter surface that reduces perceived light reflections by diffusing and scattering light in various directions, rather than aligning brush strokes with substrate motion, thereby minimizing glare and reflections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a brushed surface is used on the platter aligned with substrate motion direction, then the platter provides a specific directional characteristic, but glare and unpleasant light reflections occur
Solution Approach 1:
The platter surface is given a specific local quality (texturized finish) that differs from conventional brushed surfaces. This localized surface treatment modifies the optical properties specifically at the platter surface to reduce glare while maintaining the platter's functional role in substrate transport.
Solution Approach 2:
The surface finish parameter of the platter is changed from a conventional brushed alignment to a texturized pattern. This parameter change in surface texture orientation and finish modifies the light reflection characteristics, scattering light in multiple directions rather than creating concentrated glare.
2Stability of the object's composition
If brush strokes are aligned with substrate motion direction, then the platter surface has directional integrity, but light reflections are enhanced in specific directions
Solution Approach 1:
The platter surface texture is designed with an asymmetric or non-directional pattern that breaks the conventional alignment symmetry. This asymmetric surface treatment prevents consistent directional light reflection while maintaining structural integrity and substrate motion capability.
Solution Approach 2:
Instead of aligning brush strokes with substrate motion (conventional approach), the invention inverts the approach by using a texturized surface that deliberately avoids directional alignment. This inversion of the surface treatment strategy eliminates the harmful directional light reflection effect.
3Ease of manufacture
If a conventional platter surface is used, then manufacturing is simple, but user comfort is reduced due to glare
Solution Approach 1:
The platter surface finish parameter is modified to a texturized pattern that can be achieved through conventional manufacturing processes. This parameter change in surface texture reduces glare and improves user comfort without requiring complex or specialized manufacturing techniques.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The texturized platter surface effectively reduces light reflections, enhancing user comfort and scanning performance by minimizing glare and reflections, thus improving the overall scanning experience and reducing eye fatigue.
Implementation Method 1
The texturized surface of the platter may reduce the amount light, which may be light directed at the texturized surface, light from another light source, and/or ambient light, being perceived when the light is reflected from the texturized surface
Data Source
AI summary
A decodable indicia reading terminal for reading a substrate bearing decodable indicia may include an imager-based scanner and a platter. The imager-based scanner may be disposed within a housing and include a multiple pixel image sensor and an imaging lens configured to focus an image on the decodable indicia on the image sensor. The platter may be on the housing, the platter may surround the image-based scanner, and the platter may have a texturized surface. The texturized surface of the platter may reduce the amount light being perceived when the light is reflected from the texturized surface compared to a platter having a brushed surface aligned in a substrate motion direction.