Rotatable Display Acoustic Wave Guide for Single-Speaker Audio
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Solution Overview
Problem
Existing rotatable display devices require multiple speakers to optimize sound output for both landscape and portrait modes, leading to unnecessary complexity and resource usage.
Innovation Solution
A display device with a single speaker and a dual wave guide system, where the first wave guide is used for landscape mode and the second wave guide is used for portrait mode, allowing optimized sound output in both orientations without the need for multiple speakers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple speakers are used to optimize sound output for both landscape and portrait modes, then sound quality is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by making the wave guide serve multiple functions - it dynamically changes its acoustic path configuration between landscape and portrait modes to optimize sound output for both orientations. The single wave guide structure replaces multiple dedicated speakers, achieving mode-specific optimization through one multi-functional component rather than separate components for each mode
Solution Approach 2:
The patent applies dynamics by implementing a movable partition within the wave guide that can change position based on display orientation. This dynamic adjustment allows the acoustic path to adapt to different modes - directing sound differently for landscape versus portrait orientation - enabling optimized sound output without requiring separate static speaker systems for each mode
2Reliability
If multiple speakers are used to provide optimized sound for each mode, then sound output is improved, but manufacturing cost increases
Solution Approach 1:
The patent applies merging by combining the functions of multiple mode-specific speakers into a single wave guide structure. Instead of manufacturing and assembling separate speaker units for landscape and portrait modes, the invention merges these functions into one integrated wave guide with a movable partition, reducing component count and simplifying the manufacturing process while maintaining optimized sound output for both modes
3Reliability
If multiple speakers are included in the display device, then sound optimization for different modes is achieved, but device size increases
Solution Approach 1:
The patent applies universality by designing the wave guide to perform the work of multiple speakers through dynamic reconfiguration. The single wave guide structure with its movable partition can optimize sound for both landscape and portrait modes, eliminating the need for multiple dedicated speaker units and thereby reducing the overall space required for audio components in the device
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 efficient sound output in both landscape and portrait modes using a single speaker and dual wave guides, reducing hardware requirements and improving usability.
Implementation Method 1
a wave guide in the speaker on the rear surface of the display... When the display is in the landscape mode, the first wave guide is configured to output a sound of the speaker therethrough, and when in the portrait mode, the second waveguide is configured to output the sound of the speaker therethrough
Data Source
AI summary
A display device is disclosed. The display device includes a display which can operate in landscape mode and in portrait mode, a stand for supporting the display, a connection assembly for connecting the display and the stand, a speaker on the back of the display, and a wave guide provided on the back of the display. The wave guide includes a first wave guide on the rear surface of the display and a a second wave guide on the rear surface of the display. When the display is in the landscape mode, the first wave guide is configured to output a sound of the speaker therethrough and when the display is in the portrait mode, the second waveguide is configured to output the sound of the speaker therethrough.