Dual-Sided Print Preview Alignment via Superimposed Display
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Solution Overview
Problem
When displaying a preview for printing images on both sides of a print medium, existing systems fail to accurately represent the positional relationships between images on the first and second sides, leading to difficulties in arranging them appropriately for dual-sided printing.
Innovation Solution
A control apparatus that displays a preview with page images on both sides of the print medium, adjusting their positions to align blank areas correspondingly, allowing for accurate representation and arrangement of images on both sides, and optionally displaying them in a superimposed translucent manner to enhance understanding of positional relationships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a preview is displayed for images to be printed on both sides of a print medium using conventional methods, then the preview can be generated, but the positional relationships between page images on the first side and second side cannot be accurately represented
Solution Approach 1:
The patent applies dimensionality change by transitioning from displaying previews of individual sides separately to displaying both sides in a superimposed manner on a single preview canvas. This allows the user to view the positional relationships between page images on the first side and second side simultaneously in one dimensional space, accurately representing the spatial arrangement without losing information about how images align across both sides of the print medium.
2Productivity
If page images are arranged on preview without aligning blank areas, then the preview can be generated quickly, but the images cannot be arranged at appropriate positions for dual-sided printing
Solution Approach 1:
The patent applies preliminary action by automatically performing the alignment of blank areas between page images on the first side and second side before final preview generation. The control apparatus pre-processes the page images to calculate and adjust their positions so that blank areas correspond, ensuring that images are arranged at appropriate positions for dual-sided printing. This preliminary positioning action eliminates the need for manual adjustment and maintains both productivity and manufacturing precision.
3Device complexity
If separate previews for first side and second side are displayed, then the display complexity is low, but the user cannot grasp the positional relationships between both sides
Solution Approach 1:
The patent applies merging by combining the previews of the first side and second side into a single superimposed preview display. Instead of showing separate previews that would require the user to mentally correlate positions, the control apparatus merges both sides' page images onto one canvas with transparent or semi-transparent rendering, allowing simultaneous visualization of positional relationships. This merging maintains relatively low display complexity while preserving complete positional relationship information.
Data Source
AI summary
A control apparatus includes a processor that causes a preview to be displayed for an image to be printed on a print medium by a printing apparatus and a display that displays the preview. The processor causes the display to display the preview including one or more page images on a first side and one or more page images on a second side such that a positional relationship between a position of a page image on the first side of a print medium and a position of a page image on the second side of the print medium is shown, and adjusts the positions of the page images on the first side and second side such that a position of a blank area between the page images on the first side corresponds to a position of a blank area between the page images on the second side.