Document Reading Apparatus Automatic Resolution Control
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Solution Overview
Problem
Existing image processing apparatuses face challenges in maintaining consistent image quality when switching between pressing plate reading and document feeding-reading methods, requiring users to manually adjust reading speeds, which is operationally burdensome and can result in inconsistent output.
Innovation Solution
The apparatus includes a control unit that automatically adjusts the reading resolution based on pre-set modes, ensuring consistent image quality by matching reading speeds between the two methods during continuous read functions, eliminating the need for user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the reading speed is increased to improve productivity, then the document reading speed increases, but the reading resolution decreases resulting in lower image quality
Solution Approach 1:
The patent applies dynamics by making the reading resolution adjustable based on operational mode. The system dynamically switches between high resolution (for image quality priority) and low resolution (for speed priority) depending on user selection, allowing the apparatus to adapt its characteristics to different operational requirements rather than being fixed
2Stability of the object's composition
If the reading speed is manually adjusted to maintain consistent image quality between pressing plate reading and document feeding-reading methods, then the image quality consistency improves, but the operational complexity and user burden increase
Solution Approach 1:
The system applies self-service by automatically determining and adjusting the reading resolution for document feeding-reading based on the selected operational mode. When continuous read function is selected, the system automatically coordinates the reading resolutions between pressing plate reading and document feeding-reading methods without requiring manual user adjustment, making the system adjust itself to maintain consistency
3Stability of the object's composition
If the reading speed is manually adjusted for each reading method to ensure consistent resolution, then the image quality consistency improves, but the device complexity and operational steps increase
Solution Approach 1:
The patent merges the control of reading resolution settings for both pressing plate reading and document feeding-reading methods into a unified operational mode selection. By combining these separate settings into a single mode selection (speed priority or image quality priority), the system simplifies the operational interface while maintaining consistent image quality across different reading methods
Data Source
AI summary
It is possible to read a document at an optimal speed according to an operation mode selected by a user while improving productivity at a low cost, without forcing the user to perform a complicated operation for changing a document reading speed. A method for controlling a reading unit to read a document with a first reading resolution in a case where a reading resolution is the first reading resolution, to read a document with a second reading resolution in a case where the reading resolution is the second reading resolution smaller than the first reading resolution and a predetermined mode is not set, and to read a document with the first reading resolution in a case where the reading resolution is the second reading resolution smaller than the first reading resolution and the predetermined mode is set.