Earpiece Speaker Module with Circumferential Layout for Reduced Interference
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Solution Overview
Problem
Existing headset designs have poor sound output effects due to improper structural layouts of speaker units, leading to interference and reduced expressiveness across different frequency ranges.
Innovation Solution
A speaker module with a first speaker unit and a second speaker unit arranged in a housing, where the second speaker unit emits sound at a higher frequency than the first, positioned on the circumferential side of the first unit, with specific contour surfaces and inner circumferential regions to prevent interference and increase effective vibration areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple speaker units are arranged in a compact housing, then the headset volume is reduced, but the speaker units interfere with each other's sound output
Solution Approach 1:
The patent positions the second speaker unit on the circumferential side of the first speaker unit rather than stacking them axially, utilizing the radial dimension of the housing. This circumferential arrangement allows both speaker units to emit sound in the same general direction while maintaining spatial separation that prevents sound wave interference, effectively resolving the contradiction between compact volume and sound interference.
Solution Approach 2:
The patent employs asymmetric positioning of the two speaker units within the housing, with the second speaker unit specifically located on one side of the circumferential direction of the first speaker unit. This asymmetric layout optimizes the spatial relationship between the speaker units, allowing them to operate independently without mutual interference while maintaining a compact overall structure.
2Adaptability or versatility
If the second speaker unit is positioned to emit sound at higher frequencies, then sound expressiveness across frequency ranges is improved, but the structural layout becomes complex
Solution Approach 1:
The patent assigns different frequency ranges to different speaker units based on their local positions within the housing. The second speaker unit is specifically designed for high-frequency sound emission and is positioned on the circumferential side, while the first speaker unit handles lower frequencies. This local differentiation of function simplifies the overall structural layout by clearly defining the role and position of each speaker unit without requiring complex routing or positioning mechanisms.
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
Improves sound expressiveness across different frequencies, reduces interference between speaker units, and enhances user comfort by optimizing the speaker module's structure and volume.
Implementation Method 1
The first speaker unit includes a first diaphragm assembly... the second speaker unit emits sound toward the first side... sound emission frequency of the second speaker unit is greater than sound emission frequency of the first speaker unit
Data Source
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AI summary
A speaker module and a headset (100) are provided. The speaker module is used for the headset (100). The headset (100) includes a housing (1). The speaker module includes a first speaker unit (4a) and a second speaker unit (4b). An outer surface of a first diaphragm assembly (4a21) of the first speaker unit (4a) faces a first side, the second speaker unit (4b) is located on one side of a circumferential direction of the first speaker unit (4a), the second speaker unit (4b) emits sound toward the first side, and sound emission frequency of the second speaker unit (4b) is greater than sound emission frequency of the first speaker unit (4a).