Binaural Hearing System Wearing Detection via Motion Sensors

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Solution Overview

Problem

Existing binaural hearing systems lack an efficient method to detect the correct and intended wearing of hearing instruments, which can lead to power consumption issues and potential feedback due to improper alignment.

Innovation Solution

A method using motion sensors to capture motion signals from each hearing instrument and a communication system to estimate the distance between them, allowing for the identification of intended wearing based on correlated angular relationships and signal quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the hearing instrument is put into standby mode when not worn to reduce power consumption, then energy efficiency is improved, but the detection of correct wearing status becomes more challenging

Engineering Contradiction:

Improvepower consumptionVSAvoidwearing status detection

Core Design Contradiction:

Use of energy by moving objectVSDifficulty of detecting and measuring

Solution Approach 1:

The system performs preliminary actions by continuously monitoring motion signals and distance measurements even in standby mode to detect wearing status before full operation is required. This allows the system to quickly transition from standby to full operation when needed, resolving the contradiction between low power consumption and accurate wearing detection.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent replaces mechanical switching with sensor-based detection (accelerometers, distance sensors) to determine wearing status. This substitution allows the system to maintain accurate detection capability while operating in low-power standby mode, as sensors consume significantly less power than full system operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If motion sensors and communication systems are added to detect wearing status, then wearing detection accuracy is improved, but device complexity increases

Engineering Contradiction:

Improvewearing detection accuracyVSAvoidsystem complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent makes existing components multi-functional: motion sensors originally designed for other purposes are also used for wearing detection, and communication systems serve both data transmission and distance measurement functions. This approach improves wearing detection accuracy without proportionally increasing device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses its own existing sensors and communication capabilities to detect wearing status, rather than requiring entirely separate dedicated detection hardware. This self-service approach allows accurate wearing detection while minimizing additional complexity.

Inventive Principle:

Principle #25Self-service

3Speed

If the hearing instrument remains in full operation mode to ensure immediate functionality, then operational readiness is improved, but power consumption increases

Engineering Contradiction:

Improveoperational readinessVSAvoidpower consumption

Core Design Contradiction:

SpeedVSUse of energy by moving object

Solution Approach 1:

The system performs preliminary detection of wearing status using low-power sensors before activating full operational functions. This allows the hearing instrument to maintain operational readiness by quickly transitioning from standby to full operation when wearing is detected, rather than remaining in continuous high-power operation.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system uses periodic monitoring of motion signals and distance measurements to detect wearing status, alternating between low-power standby mode and active operation. This periodic approach maintains operational readiness while significantly reducing average power consumption compared to continuous operation.

Inventive Principle:

Principle #19Periodic action

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 method effectively detects the correct wearing of binaural hearing systems, reducing power consumption by enabling standby mode and minimizing feedback risk by ensuring optimal signal alignment.

Implementation Method 1

a first motion signal is captured by a first motion sensor of the first hearing instrument, and a second motion signal is captured by a second motion sensor of the second hearing instrument

Methodology Applied

Scientific EffectMotion sensing: Accelerometer

Data Source

PatentUS20250175748A1Method for ascertaining the wearing as intended of a binaural hearing system, and binaural hearing system

Publication Date: 2025.05.29 SIVANTOS PTE LTD

AI summary

A method for ascertaining the wearing as intended of a binaural hearing system having a first hearing instrument and a second hearing instrument, includes capturing a first motion signal by using a first motion sensor of the first hearing instrument, and capturing a second motion signal by using a second motion sensor of the second hearing instrument, and/or estimating or ascertaining a distance between the first hearing instrument and the second hearing instrument by using a communication system of the two hearing instruments. It is identified, based on the first motion signal and the second motion signal and/or based on the ascertained distance, whether the two hearing instruments are each being worn in their intended position on respective ears of a user. A binaural hearing system is also provided.