Nail Design Aspect Ratio Adjustment for Precise Fitting
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Solution Overview
Problem
Existing nail drawing apparatuses struggle to fit nail designs accurately onto nails of varying shapes without distorting the design, as they either stretch, compress, or extend beyond the nail's outline due to mismatched aspect ratios.
Innovation Solution
A processor determines the aspect ratio of the target nail and adjusts the nail design within a preset modification threshold to fit it perfectly onto the nail, using a combination of first and second fitting modes to ensure the design's aspect ratio matches the nail's, preventing significant distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the nail design is compressed to fit the circumscribed rectangle of a target nail, then the nail design fits within the nail outline, but the overall nail design is stretched and distorted across the longitudinal length when the nail's longitudinal length is larger than the transverse length
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the aspect ratio of the nail design based on the detected nail shape. The processor calculates the aspect ratio of the target nail and modifies the nail design's dimensions accordingly, changing parameters such as longitudinal and transverse lengths to achieve proper fitting without excessive distortion, while maintaining the design's recognizable characteristics
2Manufacturing precision
If the nail design is compressed to fit the circumscribed rectangle of a target nail, then the nail design fits within the nail outline, but the nail design has a feeling different from that of the original design when the transverse length of the nail is larger than the longitudinal length
Solution Approach 1:
The patent modifies the aspect ratio parameter of the nail design based on the nail's dimensions. When the nail's transverse length is larger than its longitudinal length, the processor adjusts the design's aspect ratio accordingly, changing the relationship between longitudinal and transverse dimensions to achieve proper fitting while preserving the design's essential character and visual appeal
3Loss of information
If the nail design is fitted to the target nail without modifying the original aspect ratio, then the original design feel is maintained, but the nail design will not fit across the smaller one of the longitudinal or transverse length when the nail has a significantly small dimension
Solution Approach 1:
The patent dynamically adjusts the aspect ratio parameter of the nail design based on the detected nail dimensions. When the nail has significantly small longitudinal or transverse length, the processor modifies the design's aspect ratio to match the nail's proportions, enabling the design to fit properly across the smaller dimension while maintaining an acceptable level of design integrity
Data Source
AI summary
A drawing apparatus includes a processor determining the aspect ratio of the surface area of a target nail of a finger or a toe, and entering a first fitting mode to modify the aspect ratio of at least one nail design in accordance with the surface area of the target nail and to fit the at least one nail design to the surface area of the nail. The rate of modification of the aspect ratio of the at least one nail design is within a modification threshold of the at least one nail design.