Wood Capacitive Touch Toy Surface for Easy Cleaning
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Solution Overview
Problem
Existing interactive children's toys with capacitive touch sensing technologies often have crevices and recesses that collect dirt and debris, interfering with internal electronics and requiring complex cleaning, which hampers user experience and device reliability.
Innovation Solution
The integration of capacitive touch sensors with a smooth, continuous seamless surface made from natural or synthetic wood, allowing for easy cleaning and preventing debris accumulation, combined with an electronic input-output control system that generates audio, visual, or motorized responses to user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional capacitive touch sensors are used with recessed surfaces, then user input functionality is achieved, but dirt and debris accumulate in crevices interfering with internal electronics and complicating cleaning
Solution Approach 1:
The patent inverts the conventional design by placing capacitive touch sensors beneath a smooth, continuous seamless surface rather than having recessed sensor areas. This inversion allows the surface to be easily cleaned while the sensors remain protected and functional underneath, resolving the contradiction between ease of cleaning and device reliability.
Solution Approach 2:
The patent introduces an intermediary layer (the smooth continuous seamless surface) that sits between the user's touch and the capacitive touch sensors. This intermediary layer prevents direct contact between debris and sensors while still allowing capacitive coupling to function, thus protecting reliability while enabling easy cleaning.
2Ease of manufacture
If recessed areas are provided for capacitive touch sensors, then sensor functionality is enabled, but crevices form where dirt and food residue collect
Solution Approach 1:
Instead of creating recessed areas for sensors, the patent inverts the approach by placing sensors under a flush, continuous surface. This eliminates the harmful crevices where debris would accumulate while maintaining sensor functionality through capacitive coupling through the surface material.
Solution Approach 2:
The patent extracts the sensor elements from the visible surface layer and places them in the substrate beneath, removing the source of debris accumulation problems while preserving the sensing function through the intervening surface material.
3Reliability
If complex cleaning procedures are required, then sensor protection is achieved, but user experience deteriorates and maintenance time increases
Solution Approach 1:
The patent inverts the design so that sensors are protected beneath the surface rather than exposed on it. This allows the surface to be freely cleaned without special procedures to protect sensors, eliminating the trade-off between protection and cleaning time.
Solution Approach 2:
The smooth continuous seamless surface design allows for simple, self-evident cleaning without requiring specialized procedures or training. The surface's inherent properties enable easy cleaning while sensors remain automatically protected beneath, reducing maintenance complexity and time.
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 design enhances user interaction by providing a cleanable, durable, and reliable capacitive touch interface that prevents interference with internal components, improving the overall performance and longevity of the toys.
Implementation Method 1
a sensor layer that directly touches the bottom surface of the overlay layer. Touching the top surface of the overlay layer activates the sensor layer
Data Source
AI summary
A children's toy with capacitive touch interactivity. The children's toy generally includes a user input overlay panel and one or more capacitive touch sensors. The overlay panel may be formed from a capacitive touch conductive natural organic material such as wood. The toy can be shaped and ornamented to resemble a musical instrument and configured to play music in response to user input applied to the user input overlay panel and sensed by the capacitive touch sensors.