Speaker Component Redirecting Sound for Flexible Placement
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Solution Overview
Problem
Conventional portable electronic devices with speaker holes located near the top of the device housing are uncomfortable to use and offer poor sound quality due to the constrained placement of receivers, which limits the flexibility of speaker hole positioning and back volume chamber design.
Innovation Solution
A speaker component that redirects sound emitted by the receiver using a channel, allowing for flexible placement of the speaker hole and incorporating a self-contained back volume chamber to improve sound quality and design flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the receiver is pushed to the top of the device housing to make room for other components, then the placement flexibility is improved, but the speaker hole location becomes constrained near the top edge, resulting in poor sound quality and discomfort
Solution Approach 1:
The device is divided into separate functional modules: the receiver assembly with its own dedicated back volume chamber is segmented from the main device housing. This allows the receiver to be positioned optimally for sound quality while the housing structure independently accommodates other components, resolving the conflict between placement flexibility and user comfort.
Solution Approach 2:
The receiver assembly is repositioned from a conventional top-edge location to a different spatial dimension within the housing, utilizing three-dimensional space more effectively. The speaker hole is located farther from the top edge, and the back volume chamber extends in a different directional orientation, allowing both components to coexist without compromising sound quality or user comfort.
2Ease of manufacture
If the speaker hole is located near the top of the device housing, then the receiver placement is simplified, but the distance between the speaker hole and the top edge becomes small, making it difficult for the user's ear to seal against the device housing
Solution Approach 1:
A dedicated back volume chamber acts as an intermediary structure between the receiver and the device housing. This intermediate component provides a controlled acoustic environment and allows the speaker hole to be positioned at an optimal distance from the top edge, ensuring proper ear seal while maintaining installation simplicity through modular assembly.
3Ease of manufacture
If the back volume chamber is formed using sealant between walls of the device housing and other components, then the assembly process is simplified, but the seal fails over time due to degradation and relative movement
Solution Approach 1:
The back volume chamber is merged with the receiver assembly as an integrated, monolithic structure rather than being separately formed using sealant. This integration eliminates the sealant layer that degrades over time, providing a more reliable and durable acoustic seal while maintaining ease of manufacture through modular assembly of the combined receiver and back volume chamber unit.
4Device complexity
If the back volume chamber size and shape are determined by the arrangement of the device housing and other components, then the overall device structure is optimized, but the sound quality improvement is limited
Solution Approach 1:
The back volume chamber is segmented as part of the receiver assembly rather than being constrained by the overall device housing arrangement. This segmentation allows the back volume chamber to be independently designed with optimal size and shape for sound quality, while the receiver assembly itself is integrated into the larger device structure, achieving both sound quality improvement and overall device optimization.
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 more comfortable device usage and enhanced sound quality by allowing the speaker hole to be positioned further from the device edge and providing a more airtight, customizable back volume chamber, improving the seal and frequency bandwidth.
Implementation Method 1
a channel disposed adjacent to the receiver, the channel for redirecting the sound in a second direction
Implementation Method 2
a sealed chamber adjoining the receiver, the sealed chamber forming a back volume for the receiver
Data Source
AI summary
A speaker component for a portable electronic device which accepts a receiver and redirects the sound emitted from the receiver toward the speaker hole in the device housing is disclosed. The receiver may be oriented such that sound is directed away from the speaker hole to reduce the footprint of the receiver within the device housing. A channel of the speaker component may redirect or port the sound to the speaker hole. Accordingly, embodiments provide more flexibility for positioning of the speaker hole and the receiver with respect to the device housing. The speaker component may also have a self-contained back volume chamber adjoining the receiver which does not include portions of the device housing or other components of the portable electronic device, thereby improving the sound quality of the sound emitted from the receiver and providing more flexibility as to the size and shape of the back volume chamber.