Dynamic Margin Adjustment for Roll Storage Image Protection
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Solution Overview
Problem
Conventional recording apparatuses fail to effectively prevent image damage and contamination when rolling and storing a recording medium in a roll shape, as the image is exposed on the outer periphery, making it susceptible to damage or dust contamination.
Innovation Solution
A recording apparatus with a rolling device that calculates and adjusts the length of the outer periphery of the recording medium to provide a margin, allowing the image to be positioned inside the roll, thereby reducing exposure and contamination risks during storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If the recording medium is cut with minimum possible margin to waste no recording medium, then the loss of substance is reduced, but the image is exposed on the outer periphery and becomes susceptible to damage and contamination
Solution Approach 1:
The patent changes the margin parameter dynamically based on the storage method. When roll storage is selected, the system automatically increases the trailing margin length to cover the outer periphery, whereas for flat storage, minimum margin is used. This parameter adaptation resolves the contradiction between material efficiency and image protection.
Solution Approach 2:
The cutting position is made dynamic rather than fixed. The system adjusts the cutting position based on user input regarding storage method, allowing the margin length to vary between minimum (for flat storage) and extended (for roll storage). This dynamic adjustment enables the system to optimize both material usage and image protection according to storage requirements.
2Object-affected harmful factors
If the recording medium is cut with margin provided before and after the image, then the image is protected from damage and contamination, but the loss of substance increases due to wasted recording medium
Solution Approach 1:
The patent applies different margin qualities to different parts of the recording medium based on storage method. For roll storage, an extended trailing margin is applied locally at the end of the medium to cover the outer periphery, while the leading margin remains minimal. This localized quality adjustment protects the image without unnecessarily wasting material throughout the entire medium.
Solution Approach 2:
The system changes the margin parameter selectively based on storage method. Instead of applying uniform margin in all cases, the trailing margin length is adjusted: minimal for flat storage and extended for roll storage. This parameter differentiation resolves the contradiction by providing protection only where necessary for the specific storage method.
3Ease of operation
If the recording medium is rolled and stored with image on outer periphery, then the productivity and ease of storage is improved, but the reliability of image protection deteriorates
Solution Approach 1:
The system performs preliminary action by extending the trailing margin before the rolling storage process. By pre-calculating and setting the appropriate margin length based on the selected storage method, the image is already protected before rolling occurs, eliminating the need for post-processing protection measures and maintaining both convenience and reliability.
Data Source
AI summary
A setting apparatus capable of setting a length of a margin provided for a recording medium on which an image is recorded by a recording unit confirms information about a length of an outer periphery when the recording medium on which the image is recorded is rolled in a roll shape, and sets a length of a margin provided for the recording medium based on the confirmed information.