One-Piece Optical Block for Multilaser Reading Device Calibration
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Solution Overview
Problem
Multilaser reading devices for optical codes require complex and time-consuming calibration processes due to the need for precise alignment and adjustment of multiple components, which increases costs and manual labor requirements.
Innovation Solution
A mechanical structure with a one-piece block housing all optical groups, allowing for automated precise positioning during manufacturing, eliminating the need for manual adjustments and reducing the number of components, thus simplifying calibration and lowering costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple separate components (light sources, focusing devices, deflecting mirrors) are used in multilaser reading devices, then the device can perform optical code reading functions, but the calibration process becomes extremely long and complex requiring manual adjustment of numerous components
Solution Approach 1:
The patent merges multiple separate optical components (light sources, focusing devices, deflecting mirrors) into a single integrated optical module. This integration eliminates the need for separate adjustment of each component, as the entire module can be positioned and calibrated as one unit, dramatically simplifying the calibration process while maintaining the necessary optical functions.
2Manufacturing precision
If manual adjustment screws and multiple components are used for calibration, then precise alignment can be achieved, but the calibration time and specialized workforce requirements increase significantly
Solution Approach 1:
The optical module is pre-assembled and pre-aligned with precise optical axes during manufacturing, before installation in the reading device. This preliminary positioning ensures that the optical components are already in correct alignment, eliminating or minimizing the need for time-consuming manual calibration adjustments while maintaining high precision.
3Adaptability or versatility
If multiple separate components are used in the optical path, then the device can be adjusted for focusing, but the mechanical structure becomes more complex with more adjustment screws and supporting boards
Solution Approach 1:
The patent incorporates adjustable focusing mechanisms within the integrated optical module, allowing the optical axis position to be dynamically adjusted to match different code positions. This internal adjustability maintains focusing versatility while keeping the overall mechanical structure simple, as the adjustment is contained within the module rather than requiring external mechanical complexity.
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
This approach simplifies calibration operations, reduces specialized workforce needs, ensures high precision, and allows the use of high-power light sources with improved heat dissipation, leading to more efficient and cost-effective multilaser reading devices.
Implementation Method 1
a light source (11, 21) and respective focusing means (12, 22) in optical alignment with said light source
Implementation Method 2
each focusing device comprises at least one convergent lens and possibly a diaphragm. The focusing device is adapted to focus the light beam passing through it at a desired distance
Implementation Method 3
said seat has a through opening for the introduction of an adhesive substance adapted to fix said focusing means in said seat in a focus position
Data Source
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AI summary
Device (100) for reading coded information, comprising a first optical group (10) including a first light source and first focusing means in optical alignment with said light source along an optical axis (X), and at least one further optical group including a further light source and further focusing means in optical alignment with the further light source along an optical axis (XI) parallel to the optical axis (X). The first optical group (10) and the further optical group (20) are housed in a single one-piece block (50) obtained through a single mechanical processing that, preferably, is a machine tool processing. The number of components of the reading device is thus reduced and the calibration operations necessary to achieve the desired optical alignment between light sources and with the respective focusing means are simplified and automated. Consequently, the costs of material and qualified workers are reduced, as is the time needed to calibrate the reading device.