Removable Sleeve with Conductive Grip for Utensil Timing Control
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Solution Overview
Problem
Existing devices for portion control during meals are prone to false triggers, do not account for varying eating styles, are difficult to store, costly, and include unnecessary complexity, such as waterproofing and built-in utensils.
Innovation Solution
A removable sleeve with a user-adjustable timing circuit and visual cues that automatically triggers a delay when a bite is taken, compatible with any eating utensil, allowing for adjustable pauses and easy storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hand motion detectors are used to trigger feedback, then the device can detect when a user is bringing food to their mouth, but the device produces false triggers when the user performs other hand movements like bringing water to their mouth
Solution Approach 1:
The patent introduces an intermediary conductive element (such as a conductive coating or strip) on the utensil handle that acts as a mediator between the user's hand and the detection circuit. When the user grips the utensil, their body conductivity completes the circuit, triggering the timing mechanism. This intermediary approach provides reliable detection without complex sensors, as it simply detects the presence of a conductive body (human hand) rather than attempting to analyze complex motion patterns.
2Adaptability or versatility
If visual or audible indicators with predetermined delays are used, then the device provides feedback to slow down eating, but the device cannot adapt to differing eating styles and requires users to ease into longer delays
Solution Approach 1:
The patent implements a variable delay mechanism that allows the timing interval to be dynamically adjusted. The control circuit responds to different grip patterns or user inputs to modify the delay duration, enabling adaptation to individual eating styles while maintaining ease of operation through automatic adjustment or simple user selection.
3Reliability
If the utensil is made as a permanent fixture or custom utensil head, then the device provides continuous feedback, but the device becomes difficult to store after a meal and requires waterproofing
Solution Approach 1:
The patent divides the device into separate modular components: a reusable control unit with the timing circuit and indicators, and a removable utensil attachment or sleeve. The utensil portion can be easily removed, cleaned, or replaced, while the electronic control unit remains protected. This segmentation allows the feedback mechanism to remain reliable during use while greatly improving storage convenience and cleaning ease.
4Reliability
If the device includes built-in utensils and complex circuitry, then the device provides comprehensive portion control functionality, but the device becomes more expensive to manufacture and use
Solution Approach 1:
The patent designs the control unit to be compatible with multiple types of utensils through a universal interface or attachment mechanism. Rather than building different devices for forks, spoons, and knives, the single control unit can accommodate various utensil types, reducing manufacturing costs while maintaining effective portion control functionality across different eating scenarios.
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
The solution effectively encourages slower eating, reduces food intake, and is cost-effective, user-friendly, and easy to use, as it fits over any utensil and can be stored separately, providing a simple and effective means to manage portion control.
Implementation Method 1
An electrically conductive material placed on a section of the outside of the sleeve where it's proximity to the user's natural grip on the sleeve provides an electrical connection between the eater's hand as they hold the sleeve, and the timing circuit
Implementation Method 2
An electrically conductive material placed on the inside of the sleeve where it provides an electrical connection between the inserted utensil (metal fork or spoon) and the timing circuit
Data Source
AI summary
A diet aid comprises a removable sleeve, having a timing circuit with user-adjustable delay, visual cues, and a slot into which an ordinary eating utensil can be inserted, the insertion of the utensil energizing the circuit, with the delay cycle triggered automatically as the user places a bite of food to their mouth.