Dual-Speaker Housing With Overlapping Sound Paths for Better Bass
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Solution Overview
Problem
Electronic devices face challenges in integrating long speakers in the third direction (Y-axis) due to limited internal space, hindering bass reproduction capability and audio performance.
Innovation Solution
The electronic device incorporates a speaker assembly with multiple speakers, each generating different frequency ranges, utilizing overlapping sound paths and a guide plate to support the speakers, allowing efficient use of space and enhancing sound quality and volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If speakers are extended in the third direction (Y-axis) to improve bass reproduction capability, then audio performance is improved, but the device occupies more internal space
Solution Approach 1:
The patent implements nesting by placing the second speaker assembly within the space occupied by the first speaker assembly's sound path. Specifically, the second speaker is positioned such that its sound path overlaps with the first speaker's sound path, allowing the second speaker to be nested within the first speaker's spatial envelope. This enables extended speaker length for improved bass reproduction without proportionally increasing the device's external dimensions.
Solution Approach 2:
The patent transitions from a conventional linear speaker arrangement to a three-dimensional overlapping configuration. By allowing sound paths to extend in multiple directions and overlap in space, the design achieves effective speaker length extension in the Y-axis direction while utilizing vertical and lateral space more efficiently, thereby improving bass reproduction without simple linear expansion.
2Reliability
If multiple speakers with different frequency ranges are integrated to enhance audio performance, then sound quality is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple speaker assemblies into a single integrated speaker housing structure. Both the first and second speaker assemblies are contained within the same speaker housing, sharing common structural elements and space. This consolidation approach enhances sound quality through multi-frequency capability while minimizing the increase in overall device complexity by avoiding separate housings and mounting structures.
3Reliability
If speakers are positioned to maximize bass reproduction, then audio performance is improved, but space utilization efficiency decreases
Solution Approach 1:
The patent employs three-dimensional space utilization by allowing sound paths to overlap in multiple dimensions. The second speaker is positioned to utilize vertical and lateral space within the first speaker's sound path envelope, creating efficient space utilization while maintaining extended effective speaker length for improved bass reproduction. This multi-dimensional arrangement maximizes space utilization efficiency compared to conventional linear extensions.
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
This configuration enhances bass reproduction and output capacity by optimizing speaker size in the Y-axis direction, while minimizing space usage.
Implementation Method 1
a first speaker, which includes a first diaphragm facing in a first direction, and configured to generate a first acoustic signal corresponding to a first frequency range
Implementation Method 2
a second speaker, which includes a second diaphragm facing in the first direction, and configured to generate a second acoustic signal corresponding to a second frequency range
Implementation Method 3
a guide plate is disposed between the first sound path and the second speaker, and a portion of the guide plate is configured to support the second speaker
Data Source
AI summary
An electronic device is provided. The electronic device includes a first housing, a speaker housing disposed in the first housing, the speaker housing including a front case and a rear case which is configured to combine with the front case to form an inner space, a first speaker assembly disposed in the speaker housing, including a first speaker, which includes a first diaphragm facing in a first direction, and configured to generate a first acoustic signal corresponding to a first frequency range, and a second speaker assembly disposed in the speaker housing, including a second speaker, which includes a second diaphragm facing in the first direction, and configured to generate a second acoustic signal corresponding to a second frequency range at least partially different from the first frequency range, wherein a first sound path is configured to allow the first acoustic signal to pass therethrough, extends from the first diaphragm toward a first opening in a second direction perpendicular to the first direction and is formed with a portion of the front case, wherein the second speaker is disposed over the first sound path, wherein a guide plate is disposed between the first sound path and the second speaker, and a portion of the guide plate is configured to support the second speaker, and wherein a third sound path is configured to allow the second acoustic signal to pass therethrough, extends from the second diaphragm toward the first opening in the second direction and is formed with a portion of the guide plate.