Otological Receiver Frequency Feedback Tuning for Stable Reception
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing receiver systems for otological devices, such as hearing aids, face challenges in accurately tuning and retuning the receive frequency due to component tolerances and temperature/ageing-related changes, which affect transmission quality and range.
Innovation Solution
A receiver system with a frequency regulator that indirectly registers and adjusts the receive frequency using an excitation signal to generate a response oscillation, allowing for the determination of a natural frequency and consideration of frequency offsets through predefined assignment rules or noise signals, enabling precise tuning and retuning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a PLL receiver is used to stabilize receive frequency, then frequency stability is improved, but device complexity and power consumption increase
Solution Approach 1:
The patent implements a feedback mechanism where the receiver's own output signal is fed back to the oscillation receiver to generate a response oscillation. The frequency regulator uses this feedback signal to detect the natural frequency and adjust the receive frequency accordingly, eliminating the need for external PLL components while maintaining frequency stability.
Solution Approach 2:
The receiver system performs frequency regulation using its own internal resources. The oscillation receiver generates a response oscillation from its own output signal through feedback, and the frequency regulator uses this self-generated signal to determine and adjust the receive frequency, making the system self-sufficient without requiring additional stabilization components.
2Reliability
If quartz-stabilized PLL receivers are used to eliminate retuning, then frequency stability is improved, but space requirements and power consumption increase
Solution Approach 1:
The system uses feedback of the output signal to the oscillation receiver to continuously monitor and adjust the receive frequency. This feedback-based frequency regulation eliminates the need for quartz stabilization while maintaining frequency accuracy, thereby reducing power consumption and space requirements.
Solution Approach 2:
The frequency regulator dynamically adjusts the receive frequency parameter based on the detected natural frequency from the response oscillation. This adaptive parameter adjustment allows the system to maintain frequency stability without the power-intensive quartz stabilization typically required in PLL receivers.
3Device complexity
If manual frequency tuning is implemented, then device complexity is reduced, but measurement precision and tuning accuracy deteriorate
Solution Approach 1:
The frequency regulator automatically determines the receive frequency by analyzing the response oscillation generated from the receiver's own output signal. This self-service frequency detection and adjustment mechanism eliminates manual tuning operations while achieving high frequency tuning accuracy through automated feedback-based frequency measurement.
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 allows for simple and effective tuning and retuning of the receive frequency, improving transmission quality and range by accounting for natural frequency variations and reducing statistical noise, making it suitable for otological devices where space and power consumption are limited.
Implementation Method 1
The frequency regulator is designed to generate an excitation signal and to excite the oscillation receiver to oscillate by means of the excitation signal and thus to generate a response oscillation with a response frequency
Implementation Method 2
The excitation signal is a feedback signal generated in the oscillation receiver. By means of such a feedback process, a receiving circuit of a receiver is excited to generate a natural oscillation with a natural frequency
Data Source
AI summary
The invention relates to a receiver system for an otological device. The receiver system has an oscillation receiver to receive a carrier signal with a carrier frequency. The receiver system is designed to change a receive frequency for the carrier signal. The receiver system has a frequency regulator which is designed to at least indirectly register the receive frequency and to change the receive frequency for the carrier signal to a predetermined receive frequency and to set it to the predetermined receive frequency. The frequency regulator is connected to the oscillation receiver at least at least indirectly and is designed to generate an excitation signal and to excite the oscillation receiver to oscillate by means of the excitation signal and thus to generate a response oscillation with a response frequency. The frequency regulator is also designed to ascertain the receive frequency depending on the response oscillation.