Rotating Display Screen Content Inversion for Smart Speaker Viewability
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Solution Overview
Problem
Smart loudspeakers with display screens face the challenge of content rotation, making it inconvenient for users to view the display when the screen rotates, as the information does not remain focused on the user.
Innovation Solution
A control method for an audio device that detects the rotation of the display screen, determines the first and second rotation directions and angles, and adjusts the display orientation accordingly to keep the content facing the user, ensuring the display remains oriented correctly even when the screen rotates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display screen rotates to change viewing angle, then the adaptability of the audio device is improved, but the display content becomes difficult to view because it rotates away from the user
Solution Approach 1:
The patent applies inversion by rotating the display content in the opposite direction to the screen rotation. When the screen rotates at angle θ, the content rotates at angle -θ, effectively canceling the rotation effect and keeping the content oriented toward the user. This resolves the contradiction by making the content viewability independent of screen orientation.
Solution Approach 2:
The system detects the actual rotation angle and direction of the display screen through sensors, then uses this feedback information to calculate and apply the compensating rotation to the content. This closed-loop feedback mechanism ensures the content remains properly oriented regardless of screen position, maintaining viewability while enabling angle adaptability.
2Device complexity
If the display content rotates with the screen, then the device structure is simple, but the user cannot easily view the content when the screen rotates
Solution Approach 1:
Instead of having the content passively rotate with the screen, the system actively rotates the content in the opposite direction to counteract screen rotation. This inversion approach maintains content orientation without requiring complex mechanical structures, resolving the contradiction between simplicity and viewing convenience.
3Adaptability or versatility
If the display screen is made rotatable to meet diverse interaction needs, then the versatility of the audio device is improved, but the display content loses focus on the user during rotation
Solution Approach 1:
The patent prevents information loss by rotating the content in the opposite direction to the screen. When the screen rotates away from the user, the content rotates back toward the user's viewing direction, maintaining focus and preventing information loss. This enables versatile interaction while preserving content relevance.
Solution Approach 2:
The system continuously monitors screen rotation through sensors and dynamically adjusts content orientation based on this feedback. This ensures the display content remains focused on the user throughout the rotation process, preventing information loss while maintaining interaction versatility.
Data Source
AI summary
Disclosed is a control method for an audio device, the audio device includes a playing component and a display screen rotatably connected to the playing component, and the control method for the audio device includes the following steps: in response to detecting rotation of the display screen, acquiring a first rotation direction and a first rotation angle of the display screen in a preset three-dimensional coordinate system; determining a second rotation direction and a second rotation angle of display content on the display screen according to the first rotation direction and the first rotation angle, where the first rotation direction is opposite to the second rotation direction, and a difference between the second rotation angle and the first rotation angle is less than or equal to a preset value; and adjusting a display orientation of the display content according to the second rotation direction and the second rotation angle.