Stabilized Headband With Pivot Pads For Microphone Positioning
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Solution Overview
Problem
Conventional in-ear headsets with boom microphones suffer from instability and user discomfort due to inadequate stabilization, leading to unwanted modulation of the microphone signal and poor positioning during user activity.
Innovation Solution
A stabilized headband design featuring contoured pads with pivot mechanisms, such as hinge or compliant joints, that match the head's contour, providing stable positioning of the microphone and distributing clamping force for comfort, while maintaining portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional in-ear headsets with boom microphones are used, then portability is maintained, but instability occurs leading to unwanted modulation of microphone signal and poor positioning during user activity
Solution Approach 1:
The headband incorporates a pivot mechanism that allows dynamic adjustment and movement of the pad assembly relative to the headband. This pivot joint enables the system to adapt to head movements while maintaining microphone stability, transforming a static structure into a dynamically adjustable one that resolves the contradiction between stability and complexity.
Solution Approach 2:
The pad assembly includes a compliant member with spatially-varying thickness and/or density that can be adjusted to change the center of gravity position. By modifying this physical parameter, the system achieves better weight distribution and stability without fundamentally changing the overall structure, thus improving stability while controlling complexity.
2Stability of the object's composition
If the headband applies sufficient clamping force to stabilize the microphone, then positioning stability improves, but user discomfort increases
Solution Approach 1:
The pad assembly features a compliant member with spatially-varying thickness and density, creating different local properties within the same component. The varying compliance distribution allows certain regions to provide structural support for stability while other regions provide cushioning for comfort, resolving the contradiction between stabilization force and user comfort.
Solution Approach 2:
The pad assembly combines a rigid bracket with a compliant member made of elastomeric material. This composite structure integrates both rigid support elements for stability and flexible cushioning elements for comfort, allowing the system to simultaneously achieve microphone stabilization and user comfort that neither material could provide alone.
3Object-affected harmful factors
If the pad is positioned to match the head contour for comfort, then user comfort improves, but the microphone positioning stability may be compromised
Solution Approach 1:
The pad assembly is divided into distinct functional segments: a rigid bracket for structural support and microphone stabilization, and a separate compliant member for comfort and head contour matching. This segmentation allows each component to optimize its function independently, with the bracket providing stability and the compliant pad providing comfort, thus resolving the contradiction between these two requirements.
Solution Approach 2:
The pivot mechanism acts as an intermediary between the headband and the pad assembly, allowing relative movement and adjustment. This intermediary joint enables the pad to conform to the head contour for comfort while the rigid bracket maintains microphone positioning stability, decoupling the two requirements and allowing both to be satisfied simultaneously.
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
The headband ensures the microphone remains fixed in position and reduces user discomfort, minimizing signal modulation and enhancing stability during user activity, while maintaining portability and comfort.
Implementation Method 1
The compliant joint may include an elastomeric material disposed between the headband and the at least one pad
Data Source
AI summary
A stabilized headband includes a headband having two ends with an arcuate section extending between the ends. The headband further includes a pair of pads with each pad having a contoured surface to engage a head in a contact region where the head has a contour that is similar to the contoured surface. The pads may include a compliant member to improve contact with the head. Each pad is pivotably coupled to the headband proximate to one of the ends at a location that is behind the arcuate section when the headband is worn on the head to improve fit, stability and comfort. The arcuate section defines a headband plane which is at a non-zero angle with respect to a vertical plane when the headband is worn on the head.