Movable Cover for Mobile Device Speaker Opening
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Solution Overview
Problem
Electronic devices face challenges in simultaneously achieving high-quality audio in both handset and loudspeaker modes due to limited space, which affects stereo effects and user experience.
Innovation Solution
An audio output mode adjustment structure with a sound output channel and an adjustment unit that moves relative to the channel, allowing sound waves to propagate in a straight line for loudspeaker mode and towards the display screen for handset mode, using a speaker at the top and bottom to form a symmetrical stereo field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If speakers are added to improve audio quality in speaker mode, then stereo effect is improved, but available space for other components decreases
Solution Approach 1:
The movable cover serves multiple functions: it acts as a speaker opening cover, a sound volume changing plate, and a mode switching mechanism. By making the cover movable between different positions, it enables the device to switch between speaker mode and handset mode, allowing one component to fulfill multiple audio output functions.
Solution Approach 2:
The cover is designed to be movable rather than fixed, allowing it to change position dynamically. When moved to the first position, it covers the speaker opening for handset mode; when moved to the second position, it exposes the opening for speaker mode. This dynamic adjustment optimizes space utilization and audio performance based on usage requirements.
2Ease of operation
If speaker opening is covered for handset mode, then audio direction towards display screen is improved, but stereo effect in speaker mode deteriorates
Solution Approach 1:
The cover's position is dynamically adjusted based on the audio output mode. In handset mode, the cover is positioned to direct sound toward the display screen for clear audio. In speaker mode, the cover is moved to expose the speaker opening to maintain stereo effect. This dynamic repositioning resolves the contradiction between audio direction and stereo effect.
Solution Approach 2:
The cover is pre-positioned according to the anticipated audio mode. Before audio output begins, the cover is already in the appropriate position to ensure optimal audio performance for the selected mode, whether directing sound for handset mode or exposing the opening for speaker mode.
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
Enhances stereo effect and sound quality in loudspeaker mode while maintaining clear audio for handset mode without occupying excessive internal space, improving user experience.
Implementation Method 1
When the electronic device outputs audio in a loud-speaking mode, the adjustment unit is configured to expose the sound output channel, and sound waves propagate along a straight line through the opening of the sound output channel
Data Source
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AI summary
The present disclosure provides an audio output mode adjustment structure, method, apparatus and electronic device (1). The audio output mode adjustment structure comprises a sound output channel (2) communicating an interior and an exterior of the electronic device (1) and an adjustment unit (3) (3). An opening of the sound output channel (2) is located at the top of the electronic device (1). The adjustment unit (3) moves relative to the opening of the sound output channel (2) so that when the electronic device (1) outputs audio in a loud-speaking mode, the adjustment unit (3) does not cover the sound output channel (2), and sound waves propagate in a straight line through the opening of the sound output channel (2), and when the electronic device (1) outputs audio in the handset mode, the adjustment unit (3) covers the opening of the sound output channel (2), so that the sound waves propagate toward a display screen side of the electronic device (1) through the opening of the sound output channel (2). The propagation direction of the sound waves at the opening of the sound output channel (2) can be changed by the adjustment unit (3), and the audio output mode of the electronic device (1) can be adjusted to the handset mode or the loud-speaking mode. While keeping normal call function of the electronic device (1), the stereo effect of the audio in the loud-speaking mode is improved to meet the user's demand for the sound quality of the loud-speaking.