Eyewear Use Detector for Power Mode Transition
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Solution Overview
Problem
Portable devices like eyewear that utilize electronic components face frequent battery depletion due to high power consumption, necessitating frequent recharging.
Innovation Solution
Incorporating a use detector, such as resistive probes, capacitive probes, or proximity sensors, embedded in the eyewear's support structure to monitor when the device is being worn, allowing the electronic components to automatically transition between low power and normal operational modes, thereby conserving energy and extending battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electronic components are continuously powered to maintain functionality, then operational readiness is improved, but battery life deteriorates
Solution Approach 1:
The system dynamically adjusts its operational state based on usage conditions, transitioning between low power mode and normal operational mode. The use detector continuously monitors whether the eyewear is being worn, and the controller adjusts power consumption accordingly, making the system adaptive rather than static.
Solution Approach 2:
The use detector provides feedback about the wearing state to the controller, which then adjusts power consumption. This closed-loop feedback mechanism ensures the system responds appropriately to changing conditions, switching between power states based on real-time detection of whether the device is being worn.
2Loss of energy
If the eyewear transitions automatically between power modes, then energy conservation is improved, but device complexity increases
Solution Approach 1:
The system is segmented into distinct functional components: the use detector that monitors wearing state, the controller that processes detection signals, and the electronic components that execute power mode transitions. This segmentation allows each component to perform its specific function efficiently, managing complexity through modular design.
Solution Approach 2:
The eyewear system serves itself by automatically detecting its own usage state and adjusting power consumption without user intervention. The use detector and controller work autonomously to manage power modes, eliminating the need for manual user input while conserving energy.
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 manages power consumption by switching to low power mode when not in use, significantly extending battery life and reducing the need for frequent recharging.
Implementation Method 1
use detector, such as resistive probes
Implementation Method 2
capacitive probes
Implementation Method 3
proximity sensors
Data Source
AI summary
Eyewear including a support structure defining a region for receiving a head of a user. The support structure supports optical elements, electronic components, and a use detector. The use detector is coupled to the electronic components and is positioned to identify when the head of the user is within the region defined by the support structure. The electronic components monitor the use detector and transition from a first mode of operation to a second mode of operation when the use detector senses the head of the user in the region.