Image Processing Apparatus Document Size Confirmation Logic
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Solution Overview
Problem
In image processing apparatuses like copying machines or multifunction peripherals, when the operator selects an inadequate sheet size for the original document, unintended blank spaces or partial omissions of images can occur in the copy, leading to inefficiencies and waste.
Innovation Solution
The image processing apparatus includes a memory to store the minimum output size it can handle and circuitry to determine the document size. It outputs the image if the document size is smaller than the minimum output size and prompts the operator for confirmation if it is not. Additionally, it determines if the designated output size coincides with the most suitable size based on the magnification ratio and document size, prompting confirmation only when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the image processing apparatus always outputs confirmation prompts when document size matches output size, then miscopying is prevented, but operator efficiency deteriorates due to unnecessary interruptions
Solution Approach 1:
The system changes the parameter of confirmation prompt output based on the relationship between document size and output size. When sizes match, confirmation is suppressed; when sizes differ, confirmation is displayed. This conditional parameter change resolves the contradiction by making the system both efficient (no unnecessary prompts) and reliable (prompts when size mismatch occurs).
Solution Approach 2:
The image processing apparatus automatically detects document size and compares it with output size to determine whether confirmation is needed, eliminating the need for operator judgment. The system serves itself by making intelligent decisions about when to prompt, improving both efficiency and reliability.
2Reliability
If the image processing apparatus displays confirmation for all size mismatches, then copying accuracy is improved, but operator trouble increases due to frequent interruptions
Solution Approach 1:
The confirmation display parameter is changed based on size relationship: suppressed when document size equals output size, displayed when they differ. This resolves the contradiction by making the system reliable (catches errors) while maintaining ease of operation (no unnecessary interruptions).
Solution Approach 2:
The size comparison function acts as an intermediary between document detection and confirmation display. It mediates by determining whether confirmation is actually needed based on size relationships, reducing unnecessary operator interruptions while maintaining accuracy.
3Productivity
If the image processing apparatus processes documents smaller than minimum output size without confirmation, then processing speed is improved, but image quality deteriorates due to unavoidable blank spaces
Solution Approach 1:
The system takes a partial action approach by suppressing confirmation only for documents smaller than minimum output size, while maintaining confirmation for other cases. This resolves the contradiction by accepting some image imperfection (blank spaces in small documents) in exchange for overall processing speed improvement.
Data Source
AI summary
An image processing apparatus includes a memory that stores a minimum size of output that the image processing apparatus can output and circuitry. The circuitry is to determine a size of a document, output an image of the document in a case that the size of the document is determined to be smaller than the minimum size of the output, and output a notification prompting for confirmation in a case that the size of the document is determined not to be smaller than the minimum size of the output.