Hearing Device Data Exchange with External Modules
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Solution Overview
Problem
Existing hearing devices lack reliable and fail-safe methods for recognizing and managing external modules, such as audioshoes, and do not effectively store or transmit data related to service life and usage, nor provide tailored operating parameters and signal processing algorithms.
Innovation Solution
A method and apparatus for exchanging data between a hearing device and connectable units, involving identification, data storage, and transmission, including the use of RAM and electroacoustic converters, to ensure reliable recognition and management of units, with features like pairwise functionality and data-driven anti-theft protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If simple connection recognition is used, then device complexity is reduced, but recognition reliability deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-storing identification codes and corresponding operating parameters in the hearing device's memory before actual connection occurs. When a unit is connected, the system immediately retrieves pre-stored data matching the identification code, enabling reliable recognition without complex real-time verification procedures.
Solution Approach 2:
The patent uses copying by creating a digital copy of the unit's identification code and parameters in the hearing device's memory. This copied data enables the hearing device to recognize and configure the external unit without requiring complex physical or cryptographic verification, thus achieving reliable recognition with moderate system complexity.
2Reliability
If comprehensive data storage and transmission is implemented, then service life tracking and anti-theft protection are improved, but device complexity increases
Solution Approach 1:
The patent applies extraction by separating service life tracking and anti-theft functions from the core hearing device operation. External units store their own service life data and identification codes, while the hearing device only extracts and stores minimal identification information needed for recognition and configuration, reducing overall system complexity while maintaining reliable tracking.
Solution Approach 2:
The patent implements feedback mechanisms where the hearing device receives unit identification data, stores it for future reference, and uses this stored information for recognition and configuration tasks. This feedback loop enables reliable service life tracking and anti-theft protection without requiring complex continuous verification systems.
3Adaptability or versatility
If tailored operating parameters are provided for each unit, then adaptability is improved, but data exchange complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-configuring and storing unit-specific operating parameters in the hearing device's memory before actual operation. When a unit connects, the system retrieves the corresponding pre-stored parameters matching the unit's identification code, enabling tailored operation without complex real-time configuration procedures.
Solution Approach 2:
The patent achieves universality by creating a unified data exchange protocol that handles multiple unit types through a single standardized interface. The hearing device uses a universal parameter storage structure that can accommodate different unit types, allowing tailored parameters for each unit to be stored and retrieved through the same mechanism, thus improving adaptability without proportionally increasing complexity.
Data Source
AI summary
Data is exchanged between a hearing device and a connectable unit. The data, such as an identification code, may be read from the unit. Data may also be output to the connectable unit. The connectable unit may include a random access memory. Furthermore, the connectable unit may include a sequence control element.