Scanning Apparatus Reading Device Magnification Adjustment
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Solution Overview
Problem
The existing scanning apparatus requires repeated adjustments of the lens position relative to the image sensor to achieve the desired magnification, making the assembly process complex and time-consuming.
Innovation Solution
A reading device is developed by combining a sensing module with a carriage module, featuring channels, guiding slots, and bolt hole pedestals, allowing for precise and quick adjustment of the lens position using screws and resilient elements, and facilitating bonding with glue injection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the lens position is repeatedly adjusted relative to the image sensor to achieve desired magnification, then the magnification precision is improved, but the assembly time and complexity increase
Solution Approach 1:
The patent applies preliminary action by pre-calculating and pre-setting the relative positions of the lens and image sensor based on desired magnification values. During assembly, the lens is positioned at predetermined locations corresponding to different magnifications, eliminating the need for repeated adjustments. This pre-preparation of position data allows assemblers to directly install components at correct positions, significantly reducing assembly time while maintaining magnification precision.
Solution Approach 2:
The patent implements dynamics by providing a movable lens structure that can be quickly repositioned between predetermined locations. The lens is designed to slide or move along the optical path and be fixed at specific positions corresponding to different magnification ratios. This dynamic positioning capability allows rapid switching between magnification settings during assembly without requiring complex recalibration procedures.
2Measurement precision
If the lens position is repeatedly adjusted relative to the image sensor to achieve desired magnification, then the magnification precision is improved, but the assembly process complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the assembly process into distinct, standardized steps: positioning the lens at predetermined locations, installing the image sensor at corresponding positions, and securing components with fastening elements. Each segment of the assembly process is simplified and standardized, reducing the overall complexity. The predetermined positions are clearly marked or guided, making each assembly segment independent and straightforward.
Solution Approach 2:
The patent uses intermediary elements such as guide rails, positioning pins, or marked reference points that facilitate accurate lens positioning without requiring complex measurement tools or procedures. These intermediaries provide physical or visual guidance during assembly, simplifying the process of achieving precise magnification ratios. The guide structures act as mediators between the lens and image sensor, ensuring correct relative positioning through simple mechanical or visual alignment rather than complex calculations.
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 solution simplifies the assembly process by allowing for quick and precise adjustment of the magnification, ensuring accurate imaging of objects onto the image sensor, reducing the complexity of achieving the desired magnification ratio.
Implementation Method 1
the resilient element is a spring
Data Source
AI summary
By combining a sensing module having a lens and an image sensor with a carriage module having a mirror set, a reading device of a scanning apparatus is assembled. The sensing module further includes two channels at bilateral sides of the lens and two guiding slots disposed on external sides of the channels. The carriage module further includes two linear tracks corresponding to the channels and two bolt hole pedestals corresponding to the guiding slots. The sensing module is glided on the carriage module when the linear tracks are embedded in corresponding channels, thereby correcting the desired magnification.