Sewing Machine Pattern Editing Position Detection
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Solution Overview
Problem
Existing sewing machines lack sufficient operability when editing patterns composed of multiple embroidery patterns, as they do not effectively identify and manage the editing targets based on user-selected positions.
Innovation Solution
A sewing machine with a display and input portion, processor, and memory that acquires and displays selected patterns, identifies specified positions, and determines whether the pattern image is displayed at that position or within a mask region, allowing for intuitive editing target selection and management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple patterns are displayed on the display portion for editing, then the versatility and functionality of the sewing machine is improved, but it becomes difficult to identify and select the editing target pattern
Solution Approach 1:
The patent applies visual distinction through color or shading changes to indicate the editing target pattern among multiple displayed patterns. When a user specifies a position, the system identifies which pattern contains that position and highlights it visually, making it easy to distinguish the editing target from other patterns without requiring complex selection operations.
Solution Approach 2:
The patent introduces an intermediary mechanism (visual indicator or highlight) that mediates between the user's position specification and the pattern selection. This intermediary visually connects the specified position to the corresponding pattern, resolving the ambiguity of which pattern should be edited when multiple patterns are displayed.
2Measurement precision
If the sewing machine requires precise position specification to select editing target, then the precision of pattern selection is improved, but the ease of operation deteriorates
Solution Approach 1:
The patent segments the pattern selection process into two simple steps: first, display multiple patterns; second, allow position specification within the display area. This segmentation avoids complex selection hierarchies while maintaining precision through the visual feedback mechanism that shows which pattern contains the specified position.
3Productivity
If the sewing machine displays multiple pattern images simultaneously, then the productivity of pattern editing is improved, but the device complexity increases
Solution Approach 1:
The patent implements a universal display mechanism that can show multiple patterns simultaneously using the existing display portion, without requiring additional hardware. The same display and input components serve multiple functions: displaying patterns, showing selection status, and receiving position specifications, thereby avoiding increased device complexity while improving productivity.
Data Source
AI summary
A sewing machine acquires a selected pattern that is selected from among a plurality of embroidery patterns. The sewing machine displays a pattern image representing the selected pattern. The sewing machine identifies a specified position indicated by the instruction. The sewing machine determines, when the selected pattern is acquired a plurality of times, whether one of a plurality of the pattern images is displayed at the identified specified position. When it is determined that the pattern image is displayed at the identified specified position, the sewing machine identifies the selected pattern for which the pattern image is displayed at the specified position as the editing target. When it is not determined that the pattern image is displayed at the identified specified position, the sewing machine identifies the selected pattern for which a mask region encompassing the selected pattern is set at the specified position as the editing target.