Peel-Off Detection Circuit for Zero-Power Storage

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Single-use wearable sensors and devices with onboard batteries face significant energy consumption during storage and shipment due to components remaining in a low-power mode, leading to battery degradation and the need for larger, more expensive batteries.

Innovation Solution

Incorporating an electrode covered by a passive material that generates a charge upon removal, activating an amplifier to control an electronic switch, which powers active components only when needed, thereby reducing unnecessary energy consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If components remain in low-power mode during storage and shipment, then the device can be activated later by the user, but significant battery capacity is consumed during storage prior to activation

Engineering Contradiction:

Improvestorage durationVSAvoidbattery capacity consumption

Core Design Contradiction:

Duration of action of stationary objectVSUse of energy by moving object

Solution Approach 1:

The patent extracts the power consumption function from the main device by using a separate electrode-switch mechanism. The electrode generates a signal only when material is removed, which then triggers the switch to connect power to active components. This separation allows the device to remain completely powerless during storage, eliminating energy consumption during the storage period while maintaining long-term storage capability.

Inventive Principle:

Principle #2Taking out (Extraction)

2Duration of action of moving object

If the battery is made larger to accommodate storage energy consumption, then the device can function during storage, but the device size and cost increase

Engineering Contradiction:

Improvebattery lifeVSAvoiddevice weight

Core Design Contradiction:

Duration of action of moving objectVSWeight of moving object

Solution Approach 1:

The patent applies preliminary action by pre-configuring the electrode and switch mechanism during manufacturing, but only activating the power connection when needed through material removal. The electrode is prepared in advance to generate a signal upon material removal, and the switch is pre-positioned to control power flow. This allows the battery to be sized for actual usage only, not for storage duration, reducing both weight and cost while ensuring functionality when needed.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If the electronic switch is activated during storage, then components can be monitored, but energy is consumed continuously

Engineering Contradiction:

Improvecomponent monitoringVSAvoidcontinuous energy consumption

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The patent introduces an intermediary mechanism consisting of the electrode and switch that mediates between the battery and active components. The electrode acts as a trigger that remains inactive until material removal occurs, at which point it generates a signal that activates the switch. This intermediary system allows for potential monitoring capability while preventing direct continuous power consumption, as the switch only connects power when triggered by the electrode signal.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 longer battery life and allows for smaller, cheaper batteries by preventing power draw until activation, while maintaining hermetic sealing and ensuring device functionality upon use.

Implementation Method 1

an electrode positioned to receive a charge and output a control signal upon removal of a material positioned proximate to the electrode

Methodology Applied

Scientific EffectTriboelectric effect: Triboelectric Effect

Implementation Method 2

an amplifier electrically coupled to the electrode and configured to receive the control signal from the electrode and output an amplified signal to change a state of the electronic switch

Methodology Applied

Scientific EffectElectrical amplification:

Data Source

PatentUS12408868B1Systems and methods for peel-off detection for low-power electronics

Publication Date: 2025.09.09 VERILY LIFE SCIENCES LLC

AI summary

Systems and methods for peel-off detection for lower power electronics are disclosed. In one embodiment, a device includes: a housing; sensor electronics disposed within the housing; an electrode positioned to receive a charge and output a control signal upon removal of a material positioned proximate to the electrode; an electronic switch configured to control an electrical connection between a power supply and the sensor electronics; and an amplifier electrically coupled to the electrode and configured to receive the control signal from the electrode and output an amplified signal to change a state of the electronic switch based on the control signal.