Off-Center Pivot Headphones for Compact Comfort
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Solution Overview
Problem
Conventional headphones are often bulky, uncomfortable, and prone to noise generation due to inadequate design features such as earpiece pad thickness, headband connection points, and metal component interactions.
Innovation Solution
The design incorporates pivot mechanisms for earpieces that allow rotation at an upper portion, variable thickness cushions for better fit and noise reduction, and the use of dampening materials to minimize noise from component interactions, along with a mesh headband for optimal fit and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional headphones use thick earpiece pads to ensure comfort and acoustic sealing, then the acoustic seal and comfort are improved, but the overall size and bulk of the headphones increases
Solution Approach 1:
The earpiece pads feature variable thickness with different densities in different regions - thicker and denser at the contact surface with the ear for optimal sealing and comfort, while being thinner at the periphery to reduce overall bulk. This localized quality differentiation allows the pad to provide maximum acoustic sealing where needed while minimizing the overall volume of the earpiece assembly.
2Strength
If metal components are used in the headband and pivot mechanism for strength and durability, then the structural strength is improved, but noise generation from component interactions increases
Solution Approach 1:
Dampening materials are introduced as intermediary elements between metal components in the headband and pivot mechanism. These dampening materials serve as mediators that absorb and dissipate the vibration and impact forces that would otherwise generate noise when metal components interact, while allowing the metal components to maintain their structural strength and durability.
3Stability of the object's composition
If the headband is designed as a single rigid piece for structural integrity, then the structural stability is improved, but comfort and adaptability to different head shapes decreases
Solution Approach 1:
The headband is segmented into multiple components including adjustable sections, flexible zones, and modular elements that can move independently. This segmentation allows the headband to maintain overall structural integrity while providing localized flexibility and adaptability to accommodate different head shapes and sizes, significantly improving comfort without sacrificing structural stability.
4Shape
If the pivot mechanism is positioned at the center of the earpiece for balanced rotation, then the rotational balance is improved, but the distance from the headband connection point increases resulting in bulkier design
Solution Approach 1:
The pivot mechanism is deliberately positioned off-center within the earpiece structure, closer to the headband connection point. This asymmetric positioning creates a compact lever arm that reduces the overall distance from the headband while maintaining rotational balance through carefully engineered counterweights and balanced pivot geometry. The asymmetric design allows the earpiece to rotate smoothly without requiring excessive space.
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 solution results in a more comfortable, compact, and quieter listening experience by ensuring a consistent force distribution and reduced noise interference, enhancing user satisfaction and acoustic sealing.
Implementation Method 1
a first compression spring at least partially surrounding the first piston and the first cylinder and positioned to compress relative to the aperture while opposing rotation of the pivot mechanism about the first axis
Implementation Method 2
Dampening material can also be positioned in the inputs to reduce noise that can be generated when to components come in contact with one another
Data Source
AI summary
This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that enhance user comfort and improve user control of the headphones are discussed. Various sensor configurations and electronic component positions are also discussed. User convenience features that include detachable cushions and automatically detecting the donning and doffing of headphones are also discussed.