Continuous-Spring Headphone Earcup Mount for Multi-Dimensional Fit
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Solution Overview
Problem
Conventional headphone designs face challenges in accurately adjusting earcup positions, often being unwieldy and difficult to fit comfortably due to segmented headbands or actuator mechanisms that do not adequately control multi-dimensional adjustments.
Innovation Solution
A continuous spring section headband with an earcup mount forming an arcuate joint and a friction assembly providing a constant resistance to rotation, allowing smooth and consistent earcup adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a segmented headband or actuator mechanism is used to adjust earcup position, then the earcup position can be adjusted, but the adjustment becomes unwieldy and difficult to control accurately
Solution Approach 1:
The friction assembly modifies the friction parameter between the headband and earcup mount to enable controlled rotation. By adjusting the friction force, the system allows smooth multi-dimensional earcup adjustment while maintaining accurate control, resolving the contradiction between adjustability and ease of operation
Solution Approach 2:
The friction assembly acts as an intermediary mechanism between the headband and earcup mount. It provides a constant resistance force that mediates the interaction, enabling precise control of earcup position adjustment without requiring complex actuators or segmented headbands
2Adaptability or versatility
If conventional actuators like knobs or screws are used, then earcup position can be adjusted, but the mechanism becomes unwieldy and difficult to fit comfortably
Solution Approach 1:
The invention extracts the adjustment function from complex actuator mechanisms (knobs, screws) and implements it directly through the friction assembly's constant resistance force. This simplifies the overall mechanism structure while maintaining the ability to adjust earcup position in multiple dimensions
Solution Approach 2:
By changing the friction parameter in the friction assembly, the system achieves earcup adjustment without requiring mechanical actuators. This parameter-based control reduces device complexity while preserving adjustability
3Ease of operation
If advanced designs enable smoother earcup adjustment, then adjustment smoothness is improved, but multi-dimensional adjustment control is not adequately provided
Solution Approach 1:
The friction assembly provides universal control for multi-dimensional earcup adjustment through a single constant resistance force mechanism. It simultaneously enables smooth adjustment and adequate control in multiple dimensions, resolving the contradiction between smoothness and control capability
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
Enables precise and comfortable fitting of headphones by allowing smooth, multi-dimensional adjustment of earcups without altering the headband length, providing a consistent resistance during rotation.
Implementation Method 1
a continuous spring section sized to extend over a head of a user
Implementation Method 2
a friction assembly spanning between the continuous spring section and the earcup mount, the friction assembly linearly arranged across the arcuate joint and configured to provide a substantially constant resistance to the rotation of the earcup mount relative to the continuous spring section
Data Source
Figure 1
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AI summary
Various implementations include headphone systems. In one implementation a headband for a headphone system includes: a continuous spring section sized to extend over a head of a user; an earcup mount coupled with an end of the continuous spring section, where the continuous spring section and the earcup mount form an arcuate joint, and where the earcup mount is configured to rotate relative to the continuous spring section at the arcuate joint; and a friction assembly spanning between the continuous spring section and the earcup mount, the friction assembly linearly arranged across the arcuate joint and configured to provide a constant resistance to the rotation of the earcup mount relative to the continuous spring section.