Hearing Aid Autonomous Power Control via Accelerometer Detection

Solution Overview

Problem

Conventional hearing aids require manual power on/off, leading to battery wastage and feedback issues when left on flat surfaces, necessitating a solution for autonomous power management.

Innovation Solution

Incorporating accelerometers and a power control module to autonomously turn the hearing aid on/off based on movement detection, using sensors to determine the device's operational status and environment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the hearing aid is manually powered on and left on, then the device is ready for immediate use, but battery power is wasted and feedback noise is generated when not in use

Engineering Contradiction:

Improveimmediate readinessVSAvoidbattery power

Core Design Contradiction:

Ease of operationVSLoss of energy

Solution Approach 1:

The hearing aid autonomously monitors its own operational status through sensors (accelerometers, gyroscopes, barometers) and automatically transitions between power modes without requiring user intervention. The device detects when it is placed on a surface or removed from the ear and self-manages power consumption accordingly.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical power switching with sensor-based automated detection. Accelerometers, gyroscopes, and barometers detect physical state changes (movement, orientation, pressure) to trigger power mode transitions, substituting the mechanical act of manually powering the device on/off.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Loss of energy

If the hearing aid is manually powered off to conserve battery, then energy is saved, but the device requires user intervention and may miss usage opportunities

Engineering Contradiction:

Improvebattery powerVSAvoidautonomous operation

Core Design Contradiction:

Loss of energyVSExtent of automation

Solution Approach 1:

The hearing aid autonomously monitors its own operational status through sensors (accelerometers, gyroscopes, barometers) and automatically transitions between power modes without requiring user intervention. The device detects when it is placed on a surface or removed from the ear and self-manages power consumption accordingly.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system continuously receives feedback from sensors about the device's physical state and environment, using this information to automatically adjust power modes. The feedback loop enables the device to respond dynamically to usage conditions without manual control.

Inventive Principle:

Principle #23Feedback

3Ease of operation

If the hearing aid is left on a flat surface, then it remains accessible, but feedback noise is generated and battery is drained

Engineering Contradiction:

ImproveaccessibilityVSAvoidfeedback noise

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The patent replaces manual mechanical power switching with sensor-based automated detection. Accelerometers, gyroscopes, and barometers detect physical state changes (movement, orientation, pressure) to trigger power mode transitions, substituting the mechanical act of manually powering the device on/off.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The hearing aid autonomously monitors its own operational status through sensors (accelerometers, gyroscopes, barometers) and automatically transitions between power modes without requiring user intervention. The device detects when it is placed on a surface or removed from the ear and self-manages power consumption accordingly.

Inventive Principle:

Principle #25Self-service

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 solution conserves battery life, reduces user intervention, and eliminates feedback noise by accurately determining the hearing aid's usage status and adjusting power modes accordingly.

Implementation Method 1

a device such as the hearing assistance device itself and/or an electrical charger cooperating with the hearing assistance device can have one or more accelerometers and a power control module to receive input data indicating a change in acceleration of the device over time from the one or more accelerometers

Methodology Applied

Scientific EffectAccelerometer: Accelerometer

Data Source

PatentUS11206476B2Hearing assistance device that uses one or more sensors to autonomously change a power mode of the device

Publication Date: 2021.12.21 EARGO INC

AI summary

A device is discussed, such as the hearing assistance device itself and/or an electrical charger cooperating with the hearing assistance device. The device can have one or more accelerometers and a power control module to receive input data indicating a change in acceleration of the device over time from the one or more accelerometers in order to make a determination to autonomously change a power mode for the hearing assistance device based on at least whether the power control module senses movement of the hearing assistance device as indicated by the accelerometers.