Manual Toothbrush Optical Indication via Reflective Core
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual toothbrushes lack the features of providing user feedback on brushing time and brush head replacement, which are cost-prohibitive to implement in existing power toothbrushes, necessitating a cost-effective solution for personal hygiene devices.
Innovation Solution
A manual toothbrush design incorporating a handle, head, and neck with an indication element that uses a reflective core and light emitting sources to provide visual signals for brushing time and brush head replacement, facilitated by a reduced number of components and manufacturing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If power toothbrush features (light indication, time tracking) are implemented, then user feedback capability is improved, but manufacturing cost increases
Solution Approach 1:
The patent uses inexpensive light-emitting elements (LEDs or other light sources) and simple optical components (transparent or translucent materials) to create indication features that provide user feedback without requiring complex electronics. The indication element can be a simple colored transparent or translucent portion of the brush head or handle that changes appearance based on brushing duration or battery status, eliminating the need for expensive power toothbrush electronics while maintaining informative functionality.
Solution Approach 2:
The patent replaces complex electronic control systems with simpler optical indication mechanisms. Instead of using microprocessors, sensors, and electronic displays typical of power toothbrushes, the invention uses light transmission through colored transparent or translucent materials to convey information to the user about brushing time and brush head status, significantly reducing manufacturing complexity and cost.
2Adaptability or versatility
If complex feedback systems are added to manual toothbrushes, then functionality is improved, but device complexity increases
Solution Approach 1:
The patent makes the indication element serve multiple functions: it can indicate brushing duration (e.g., color change after 2 minutes), brush head replacement status, and potentially battery status or other operational parameters. This multi-functionality is achieved through a single simple optical system rather than multiple separate indicators, maintaining low complexity while providing versatile feedback.
Solution Approach 2:
The indication system operates autonomously without requiring complex electronic control. The light-emitting element automatically activates based on simple triggers (time elapsed, button press), and the optical materials automatically change appearance based on their properties, eliminating the need for complex control circuits, processors, or sensors that would increase device complexity.
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
Enables cost-effective implementation of user feedback features in manual toothbrushes, enhancing user experience while reducing production complexity and costs.
Implementation Method 1
A reflective core is disposed within the indication element, and the reflective core redirects light from the output source to the outer periphery of the indication element
Implementation Method 2
A light emitting source provides electromagnetic energy to the indication element
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An oral hygiene implement is described herein. The oral hygiene implement has a handle; a head, and a neck disposed between the handle and the head. The head has a plurality of contact elements. A sealing element is positioned between the handle and the neck. The sealing element is translucent. An indication element is positioned between the adjacent the sealing element. A light emitting source provides electromagnetic energy to the indication element, and the electromagnetic energy passes through the sealing element.