Transparent Flexible Hair Grid Measuring Device

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Solution Overview

Problem

Existing hair shaving and trimming guides lack transparency, continuous measurement markings, and customization options, making it difficult to achieve symmetric or asymmetric hair designs and failing to allow users to replicate celebrity or personal styles accurately.

Innovation Solution

A transparent or translucent hair grid measuring device with grid lines throughout its body, including apertures for secure grip, and the ability to duplicate designs by superimposing a grid onto images for precise shaving or trimming, allowing users to create custom symmetrical or asymmetrical styles and designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the guide is made opaque with etched markings only on the outer perimeter, then the guide structure is simple and markings are easy to apply, but it becomes difficult to measure the skin under the guide to achieve a continuous, even shave

Engineering Contradiction:
Improvemeasurement precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The guide is made transparent or translucent, allowing users to see the skin underneath while maintaining visibility of measurement markings. This optical property change enables continuous measurement across the entire guide surface, not just at the perimeter edges.

Inventive Principle:
Principle #32Color changes

2Reliability

If the guide body is made rigid, then the guide provides stable edges for trimming, but it becomes uncomfortable to press against the user's face

Engineering Contradiction:
ImprovestabilityVSAvoidcomfort
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The guide body is made from a flexible material that can be comfortably pressed against the face while maintaining sufficient structural integrity to provide stable reference edges for trimming. The flexibility allows adaptation to facial contours without sacrificing guiding accuracy.

Inventive Principle:
Principle #30Flexible shells and thin films

3Ease of manufacture

If the guide lacks transparency and continuous markings, then manufacturing is simpler, but users cannot see through the guide to ensure accurate shaving along the measurement lines

Engineering Contradiction:
Improveease of manufactureVSAvoidvisibility
Core Design Contradiction:
Ease of manufactureVSLoss of information

Solution Approach 1:

The guide utilizes transparent or translucent material properties to allow optical transmission, enabling users to see both the measurement markings and the underlying skin simultaneously. This eliminates information loss by making the guide body visually permeable.

Inventive Principle:
Principle #32Color changes

4Ease of operation

If the guide does not include apertures for finger grip, then the structure remains simple, but users have difficulty gripping and pulling the skin to maintain a close, even shave

Engineering Contradiction:
Improvegrip capabilityVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The guide body is segmented with apertures that allow finger insertion for improved gripping and skin manipulation. These openings divide the solid structure into sections that accommodate user interaction while maintaining the overall guide functionality.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10646016B2Hair grid measuring device and method
Publication Date: 2020.05.12 ALVAREZ ANTONIO XAVIER
  • US10646016B2 patent drawing
  • US10646016B2 patent drawing
  • US10646016B2 patent drawing

AI summary

A hair grid measuring device comprises a thin, flexible body, a first side opposite a second side, a third side opposite a fourth side, a plurality of horizontal grid lines extending from the first side to the second side, and a plurality of vertical grid lines extending from the third side to the fourth side. The thin, flexible body also includes a plurality of apertures holding the device against a first individual's skin, ensuring stability and leverage, and easily bending the grid measuring device to the contours of the first individual's face, head, and body. A method for creating a custom hair style using the hair grid measuring device, accomplished either by hand or via a software application on an electronic device, that allows the first individual to obtain the hair design of a second individual, such as a celebrity, sports player, or actor, or any predetermined shape.