Shoe Position Indicator Using Magnetic Proximity Detection
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Solution Overview
Problem
Existing shoe alignment systems require precise alignment of shoe pairs, which can lead to functional issues such as failure to signal proper alignment when shoes are correctly positioned, especially when they are not in direct contact.
Innovation Solution
A shoe pair with a position indicator assembly featuring proximity switches and LED lights that activate when the shoes are aligned at a predetermined spaced distance, eliminating the need for direct engagement and allowing for flexible placement of the indicator units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If direct contact between shoe parts is required for alignment indication, then the alignment signal can be reliably detected, but the shoes must be precisely aligned which may not occur in normal wear conditions
Solution Approach 1:
The patent replaces the mechanical direct-contact switch system with a magnetic field-based detection system. Magnets embedded in one shoe and magnetic sensors in the other shoe detect alignment through spaced proximity without requiring physical contact, thereby maintaining reliable detection while eliminating the need for precise mechanical alignment
Solution Approach 2:
The patent introduces magnetic fields as an intermediary between the two shoes. The magnetic field penetrates the air gap between shoes to transmit positional information from one shoe to the other, enabling detection without direct contact and resolving the contradiction between reliable detection and alignment precision requirements
2Measurement precision
If precision alignment is required for the position indicator assembly, then accurate shoe matching can be achieved, but the system may fail to signal when shoes are properly aligned but not in direct contact
Solution Approach 1:
The patent substitutes mechanical contact-based alignment detection with magnetic field-based proximity detection. This allows the system to maintain high measurement precision for shoe matching while significantly improving ease of operation, as users no longer need to force shoes into direct contact to activate the alignment signal
3Reliability
If direct pressure is applied to engage the alignment switch, then the alignment indication can be activated, but functional concerns arise that may prevent signaling even when shoes are properly aligned
Solution Approach 1:
The patent eliminates the mechanical pressure-based switch engagement by using magnetic field detection. The magnetic sensors detect the presence and position of magnets through non-contact means, ensuring reliable alignment indication without requiring users to apply pressure or force the shoes into contact, thereby improving ease of operation while maintaining reliability
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
Provides a reliable visual or audible indication of proper shoe alignment without requiring precise alignment, ensuring accurate matching without direct contact between shoe parts, enhancing user convenience and reducing embarrassment.
Implementation Method 1
a proximity switch configured to be activated to electrically connect the battery with the indicator when the first and second shoes are arranged a predetermined, spaced distance from one another
Implementation Method 2
at least one indicator, such as an LED light
Implementation Method 3
Transform Electrical Energy to Optical Energy
Data Source
AI summary
A position indicator assembly, including first and second positioning units, is attached to a pair of shoes in positions which are spaced when the shoes are aligned together. Each positioning unit includes a first proximity switch element, at least one indicator, a battery and a second proximity switch element. The battery is electrically connected to the indicator when the first proximity switch element of one of the first and second position units is arranged a predetermined, spaced distance from the second proximity switch element of the other of the first and second positioning units in order to provide a visual and/or audible indication to a wearer that the pair of shoes are on the correct feet.