Document Placement Guidance in Image Scanners
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Solution Overview
Problem
Users may not be aware of where to place documents on the placement unit of image processing apparatuses, such as multifunction machines, leading to confusion and inefficiency.
Innovation Solution
An image processing apparatus with a placement unit on its housing, an imaging unit above it, and a processor that displays guidance information on a display unit to indicate where the document should be placed, including orientation, and allows automatic imaging after a set time if the document remains stationary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If guidance information is displayed on the display unit to indicate document placement, then user convenience is improved, but device complexity increases
Solution Approach 1:
A display unit is introduced as an intermediary component between the imaging unit and the user. The display unit presents guidance information and captured images to guide users on document placement, reducing confusion without fundamentally altering the imaging mechanism itself.
Solution Approach 2:
The patent replaces physical mechanical guidance mechanisms (such as physical guides or markers on the placement surface) with electronic visual guidance through the display unit. This substitution reduces mechanical complexity while maintaining or improving user guidance effectiveness.
2Productivity
If automatic imaging is implemented after a set time, then productivity is improved, but reliability decreases
Solution Approach 1:
The system performs preliminary detection of document placement within a predetermined time period before executing the imaging action. This preliminary check ensures that automatic imaging only occurs when a document is properly positioned, maintaining reliability while enabling productivity improvement through automation.
Solution Approach 2:
The imaging unit captures images and the display unit presents these images to users, creating a feedback loop. Users can verify that the document was captured correctly even in automatic mode, and the system can adjust based on user confirmation, thereby maintaining reliability while achieving automatic operation.
3Measurement precision
If the imaging unit operates continuously to detect document placement, then measurement precision is improved, but use of energy increases
Solution Approach 1:
Instead of continuous operation, the imaging unit operates periodically or intermittently to capture images at appropriate moments (when a document is detected on the placement unit). This periodic operation maintains detection precision while significantly reducing energy consumption compared to continuous operation.
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
An image processing apparatus includes a placement unit that is provided on an upper surface of a housing and on which a document is placed; an imaging unit that images the placement unit from above; and a processor configured to display guidance information indicating that the document to be imaged by the imaging unit is to be placed on the placement unit, on a display unit.