Ear Affixation Detection in On-Ear Headsets
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing headsets lack simplicity in operation, as they often require manual activation and configuration for use with portable electronic devices, and fail to distinguish between being properly affixed to a user's ear and incidental contact, leading to incorrect operation modes and user preferences.
Innovation Solution
A headset with multiple sensors positioned along its body and bud portion, coupled with an analyzer that applies predefined rules and learning functions to determine if the headset is affixed to the user's ear, allowing for automatic configuration and user-specific preferences based on sensor outputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors are added to detect ear affixation, then detection accuracy is improved, but device complexity increases
Solution Approach 1:
The detection system is segmented into multiple sensors positioned at different locations on the headset body, with each sensor contributing to the overall detection accuracy. The analyzer processes signals from these segmented sensors independently before integrating results, allowing high detection accuracy while maintaining manageable system complexity through modular design.
Solution Approach 2:
The patent transitions from single-point contact detection to multi-dimensional spatial distribution of sensors across the headset body. By positioning sensors at multiple locations and analyzing their collective output, the system achieves more accurate ear affixation detection without proportionally increasing complexity, as the sensors work in parallel rather than sequentially.
2Adaptability or versatility
If manual activation and configuration is required, then device functionality is enhanced, but ease of operation deteriorates
Solution Approach 1:
The headset performs self-configuration by automatically detecting ear affixation through the sensor system and analyzing the output to determine proper operation mode. The controller autonomously activates appropriate functions based on detection results, eliminating the need for manual user configuration while maintaining full device functionality and adaptability.
Solution Approach 2:
The system performs preliminary detection and analysis actions automatically when the headset is placed on the ear. The sensors detect affixation status and the analyzer processes this information before the user needs to manually activate any functions, thereby simplifying operation while preserving full functionality through pre-configured automatic responses.
3Device complexity
If single sensor is used, then device complexity is reduced, but reliability of detection deteriorates
Solution Approach 1:
Multiple sensor outputs are merged and analyzed collectively by the analyzer to determine ear affixation status. The system combines information from sensors positioned at different locations, using logical integration rules to achieve more reliable detection than any single sensor could provide independently, while the sensors operate in parallel to maintain acceptable complexity levels.
Solution Approach 2:
The analyzer continuously monitors the output of multiple sensors and provides feedback to the controller about the affixation status. This feedback mechanism allows the system to reliably distinguish between proper ear affixation and incidental contact by analyzing patterns in sensor outputs over time, improving detection reliability without requiring excessive complexity in the sensor system.
Data Source
AI summary
A headset including a body configured to be affixed to an ear of a user, and a speaker for reproducing an audio signal, the speaker representing part of the body such that when the body is affixed to the ear, the speaker is positioned proximate the ear canal of the user. The headset further includes at least one sensor for producing an output indicative of whether the body is affixed to the ear. In addition, the headset includes an analyzer, operatively coupled to the at least one sensor, for analyzing whether the body is affixed to the ear based on the output of the at least one sensor.