Tape Printer Letter Size Adjustment for Multi-Line String Fit
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Solution Overview
Problem
Tape printing apparatuses face issues with line feed operations where the letter string over multiple lines may protrude from the printable area, leading to error messages and inconvenient user processes, as they struggle to manage letter sizes effectively across lines during editing.
Innovation Solution
An information processing apparatus and tape printing system that includes a display controller, letter-size setting section, and print controller, which allows users to edit letter strings across multiple lines, automatically adjusting letter sizes to ensure the string fits within the printable area by setting the size of the n-th and (n+1)-th lines after a line feed operation, maintaining the preset size of the n-th line.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the tape printing apparatus sets the letter size of the n-th and (n+1)-th lines to the letter size of the n-th line before a line feed operation, then the letter string may protrude from the printable area, but the user can perform the line feed operation without automatic adjustment
Solution Approach 1:
The system performs preliminary calculation of the letter string length after the line feed operation before actually executing the print command. By predicting whether the letter string will protrude from the printable area and automatically adjusting the letter size in advance, the system prevents positioning errors before they occur, rather than requiring post-processing corrections
2Manufacturing precision
If the tape printing apparatus rejects the line feed operation and displays an error message when the letter string protrudes from the printable area, then the letter string positioning precision is maintained, but the user must perform inconvenient processes to correct the error
Solution Approach 1:
The system performs self-service by automatically detecting when a line feed operation would cause the letter string to protrude from the printable area, and autonomously adjusts the letter size of the n-th and/or (n+1)-th lines to prevent the protrusion. This eliminates the need for user intervention to correct positioning errors, making the system both precise and easy to operate
3Manufacturing precision
If the tape printing apparatus automatically decreases the letter size of the n-th line to prevent protrusion, then the letter string fits within the printable area, but the user's original letter size designation is changed
Solution Approach 1:
The system dynamically adjusts the letter size based on the specific situation. It evaluates whether the (n+1)-th line exists and whether it would cause protrusion, then selectively adjusts only the necessary lines. This dynamic approach preserves the user's original letter size preferences for lines that don't cause problems while automatically adjusting only those lines that would protrude, maintaining both precision and user adaptability
Data Source
AI summary
An information processing apparatus includes: a display controller; a letter-size setting section that sets a letter size of a letter string over a plurality of lines which has been entered through an edit screen; and a print controller that prints the letter string in the letter size set by the letter-size setting section. The letter-size setting section can differently set letter sizes of the letter string. When a line feed operation is performed at a head or end of an n-th line through the edit screen, a letter size of the n-th line preset in accordance with a user's designation, the letter-size setting section sets a letter size of one of the n-th line and an (n+1)-th line after the line feed operation so that a length of letter string over the plurality of lines is equal to or shorter than a length of the printable area.