Earbud Speaker Tip Integration for Reduced Diameter
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Solution Overview
Problem
Conventional earbuds with standard tip dimensions often fail to provide an adequate fit for users with smaller ear canals, leading to discomfort and reduced sound quality due to the structural limitations of housing space and speaker placement.
Innovation Solution
The earbud design incorporates the speaker component as the tip, eliminating the traditional tube and allowing for a reduced tip diameter, with mechanical coupling to the housing and optional flanges for customizable fit and secure attachment, enabling smaller cushions and maintaining optimal sound quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the speaker component is moved into the earbud housing to reduce tip size, then the tip diameter is reduced allowing smaller cushions for small ear canals, but the speaker is further from the eardrum reducing sound quality
Solution Approach 1:
The speaker component is merged with the tip structure itself, where the speaker housing forms the tip body and the speaker cone extends toward the eardrum. This integration eliminates the need for a separate tube while maintaining the speaker's proximity to the eardrum, thus reducing tip diameter without compromising sound quality.
Solution Approach 2:
The speaker component is oriented at an angle relative to the earbud housing longitudinal axis, with the speaker cone extending forward at an angle to position the speaker closer to the eardrum while keeping the tip compact in diameter. This angular arrangement allows the speaker to maintain optimal positioning without increasing tip dimensions.
2Length of moving object
If the speaker component is moved into the earbud housing, then tip size is reduced, but housing space for other components is reduced
Solution Approach 1:
The speaker housing and tip are merged into a single integrated structure. The speaker component serves dual purposes: as the acoustic element and as the tip body that interfaces with the ear canal. This eliminates the need for a separate tube extending from the housing, thereby reducing the housing volume required while maintaining adequate tip size reduction.
3Ease of operation
If standard cushions are used in small ear canals, then the earbuds can be used, but the fit is inadequate causing discomfort
Solution Approach 1:
The tip and cushion are designed with localized dimensions optimized for small ear canals. The integrated speaker-housing-tip structure allows the tip to be compact in diameter while the cushion can be sized appropriately for small ears, providing a comfortable and adequate fit without compromising usability.
Data Source
AI summary
An earbud audio device includes a housing, a speaker component and a cushion, wherein the speaker component forms the tip of the earbud upon which the cushion may be situated. The speaker component is mechanically coupled to the earbud housing in a manner that allows the cushion to be coupled thereto, the speaker component and tip able to be partially inserted into a user's ear canal during use. The speaker component may be formed with a flange extending outward to provide a support for mechanically coupling the speaker component to the housing. The speaker component and housing may in some instances be mechanically coupled together as two threaded components.