Multi-Orientation Portable Speaker with Dynamic Sound Adjustment
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Solution Overview
Problem
Portable speakers typically support only a single orientation, limiting user flexibility in directing sound output, and fail to automatically adjust to different listening modes based on orientation changes.
Innovation Solution
A free-standing, portable speaker design with multiple sides that can be used as bases, each at a unique angle relative to the front panel, allowing for versatile sound projection directions and automatic adjustment of sound characteristics through a controller and actuator system, eliminating the need for external support structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a speaker is designed to support only a single orientation, then the device structure is simple, but the adaptability to different listening modes is limited
Solution Approach 1:
The speaker is designed with multiple sides (front, back, left, right) that can each serve as a base for stable operation. This allows the speaker to function in multiple orientations (horizontal, vertical, angled) without requiring additional support structures, thereby achieving multi-functionality and adaptability to different listening modes while maintaining relatively simple device structure
Solution Approach 2:
The speaker incorporates a sensor that detects the current orientation and a controller that dynamically adjusts sound projection parameters based on the detected orientation. This dynamic adaptation allows the speaker to automatically optimize its performance for the current listening mode, improving adaptability while adding only minimal control complexity
2Adaptability or versatility
If the speaker uses external support structures to achieve stable operation in multiple orientations, then adaptability improves, but device complexity and ease of operation worsen
Solution Approach 1:
The speaker integrates multiple bases into its housing structure, with each side capable of serving as a stable base. This eliminates the need for external support structures like kickstands or mounts, allowing the speaker to be freely positioned in various orientations while maintaining stability and simplicity of operation
3Adaptability or versatility
If the speaker projects sounds in a narrow angle in horizontal orientation, then sound directionality is improved, but adaptability to vertical projection worsens
Solution Approach 1:
The speaker uses a sensor to detect its orientation and a controller to dynamically adjust sound projection parameters. When oriented horizontally, the system projects sound in a narrower angle for directional coverage; when oriented vertically, it adjusts to project sound in a wider angle for omnidirectional coverage. This dynamic adaptation achieves sound projection versatility while using a relatively simple sensor-controller system
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 stable, multi-directional sound projection in various orientations, accommodating different listening modes without additional support, enhancing user flexibility and convenience.
Implementation Method 1
An actuator is positioned for cooperation with (e.g., adjacent to) the sound generating member and is configured for causing the sound generating member to vibrate, and to thereby generate sound waves
Implementation Method 2
A sensor is disposed within the housing and is configured for detecting an orientation of the speaker
Data Source
AI summary
A speaker comprises a housing that defines an internal cavity and includes a front panel, a first side, a second side, and a third side. The speaker also includes a controller, an actuator, and a sound generating member that are disposed within the internal cavity. The controller is in communication with the actuator, and the actuator is configured for causing the sound generating member to vibrate, and thereby generate sound waves, as instructed by the controller. The front panel is configured to transmit the sound waves. The speaker has a center of mass that is affected by a position of the controller and the actuator, and the controller and the actuator are arranged and positioned so that the center of mass of the speaker is positioned along an axis that extends from, and is perpendicular to, the first side.