Haircut Method Using Scalp Quadrant Segmentation and Projection Angles
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Solution Overview
Problem
Traditional hair cutting methods fail to account for the unique shape of an individual's head and the angle at which hair falls, leading to inconsistent results and a lack of customization for various hair textures and densities.
Innovation Solution
A method that divides the scalp into quadrants and sub-quadrants based on slope, considering the natural fall of hair and using a formulation sheet and projection chart to determine guide lengths, perimeter lines, and projection angles for precise cutting, allowing for customization of haircuts to fit the client's head shape and style.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional hair cutting methods are used with fixed angles relative to the floor, then the cutting process is simple and quick, but the results are inconsistent and do not account for individual head shapes
Solution Approach 1:
The head is divided into multiple quadrants (front, back, left side, right side), each with specific planes and angles. This segmentation allows each region to be cut according to its unique geometry, improving consistency while maintaining manageable complexity through systematic organization
Solution Approach 2:
Different cutting angles and techniques are applied to different regions of the head based on local geometry. Each quadrant has specific projection angles determined by its unique shape and hair fall characteristics, ensuring customized precision without requiring complete redesign of the entire cutting process
2Adaptability or versatility
If traditional fixed-angle cutting methods are used, then the cutting process is straightforward, but the haircut does not accommodate various hair textures and densities
Solution Approach 1:
The method adjusts cutting parameters (projection angles, guide lengths, perimeter lines) based on hair characteristics such as texture, density, and natural fall. By varying these parameters for different hair types within each quadrant, the system achieves adaptability while maintaining ease of operation through standardized measurement and cutting procedures
3Manufacturing precision
If traditional methods cut hair at fixed angles relative to the floor, then the cutting process is simple, but the natural fall and slope of the head are not considered
Solution Approach 1:
Before cutting, the method performs preliminary measurements and determinations including identifying quadrants, establishing planes, determining projection angles, and setting guide lengths. This preliminary action ensures accurate cutting by accounting for head shape and hair fall characteristics, while the systematic approach keeps the process organized and manageable
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures consistent and tailored haircuts that accommodate different head shapes and hair textures, accurately predicting the final look and producing consistent results across various styles.
Implementation Method 1
the angle at which the hair is cut depends on the shape of the head where the cut is made as well as the angle at which the hair falls at the cut
Data Source
AI summary
The present invention is directed to a method for cutting hair that incorporates the shape of the head to determine the angles at which the hair will be cut for a given hair style. The angle at which the hair is cut depends on the shape of the head where the cut is made as well as the angle at which the hair falls at the cut. The shape of the head changes according to location, and therefore the angle at which the hair is cut changes accordingly. Other factors also taken into consideration by the present invention include the natural fall of the hair, the density of the hair, and the guide lengths and the perimeter lines of the haircut style.