Posterior Receiver BTE Hearing Instrument Design

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Solution Overview

Problem

Conventional hearing instruments face design challenges in minimizing size and water intrusion while accommodating different types of processing circuitry for both Behind-The-Ear (BTE) and Receiver-In-Canal (RIC) models, particularly due to the placement of batteries and receivers.

Innovation Solution

Positioning the receiver posterior to the battery in BTE hearing instruments allows for common processing circuitry usage across models, reducing waste space and eliminating the need for additional shielding components, and enables a more modular design.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the receiver is positioned anterior to the battery in conventional hearing instruments, then the design accommodates different processing circuitry for BTE and RIC models, but this results in increased device size, waste space, and additional shielding components

Engineering Contradiction:

Improvedevice sizeVSAvoidmodel compatibility

Core Design Contradiction:

Volume of moving objectVSAdaptability or versatility

Solution Approach 1:

The patent inverts the conventional component arrangement by positioning the receiver posterior to the battery instead of anterior to it. This reversal enables a unified housing design that accommodates both BTE and RIC models without requiring separate processing circuitry or additional shielding components, thereby reducing overall device volume while maintaining model compatibility

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

By adopting the posterior receiver positioning, the housing design achieves universality that can serve both BTE and RIC hearing instrument models. This single configuration eliminates the need for model-specific processing circuitry and shielding components, allowing the same housing structure to fulfill multiple functional requirements across different device types

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If additional shielding components are added to accommodate conventional receiver positioning, then model compatibility is maintained, but manufacturing complexity and device water resistance are compromised

Engineering Contradiction:

Improvewater resistanceVSAvoidshielding components

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts and eliminates the need for additional shielding components by repositioning the receiver posterior to the battery. This removal of unnecessary components simplifies the device structure, reduces manufacturing complexity, and improves water resistance by eliminating potential entry points for moisture while maintaining model compatibility

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS11818550B2Hearing instruments with receiver posterior to battery

Publication Date: 2023.11.14 STARKEY LABORATORIES INC

AI summary

As described in some examples of this disclosure, a Behind-The-Ear (BTE) hearing instrument comprises processing circuity, a battery that stores energy for use by the processing circuitry, and a housing that contains a receiver configured to output sound. The receiver is positioned within the hearing instrument posterior to the processing circuitry and the power source.