Rotatable Element Mode Switching for Portable Electronic Devices
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Solution Overview
Problem
Portable electronic devices, such as smart watches, face operational limitations due to their small size and screen constraints, making it difficult to provide intuitive and multifunctional user interfaces while maintaining low manufacturing costs.
Innovation Solution
A control method for portable electronic devices that utilizes a rotatable element, a fixed element, a screen, and a switch module with protruding elements and fixed points, where the processor determines modes based on the press states of the protruding elements, allowing for intuitive operation and mode switching within a restricted operating area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the screen size and operating area are increased to provide more intuitive operation, then the ease of operation is improved, but the volume and device size increase
Solution Approach 1:
The patent introduces a temporal dimension to the control interface by implementing sequential mode switching through repeated rotation actions. Instead of expanding the spatial operating area, the system provides multiple operational modes (first mode, second mode, third mode) that are activated through time-based sequential interactions with the rotation component, effectively adding a fourth dimension (time) to the 3D device structure.
Solution Approach 2:
The rotation component is designed to be dynamically reconfigurable, where the same physical component serves different functional purposes depending on the current operational mode. The control component can rotate to different positions (first position, second position, third position) to activate different functions, making the limited physical space adaptable to multiple operational requirements.
2Adaptability or versatility
If more functional modes are added to enhance versatility, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The rotation component serves as a universal control mechanism for multiple functions. The same rotation component is used to switch between first mode, second mode, and third mode, as well as to control display brightness and other functions. This multi-functional design eliminates the need for separate control mechanisms for each function, reducing overall device complexity while maintaining high versatility.
Solution Approach 2:
The system changes operational parameters (mode parameters) based on the rotation position and interaction intensity. By detecting the rotation angle and the number of rotation actions, the control unit determines which mode to activate, allowing a single control mechanism to provide multiple functions through parameter variation rather than requiring separate hardware for each function.
3Ease of operation
If multiple control mechanisms are added to provide intuitive operation, then the ease of operation is improved, but the manufacturing cost increases
Solution Approach 1:
The patent merges the rotation control mechanism with the display control system. The rotation component is integrated with the display unit, and the control unit processes both rotation input and display output through a unified control architecture. This merging eliminates the need for separate control circuits and microcontrollers for different functions, reducing manufacturing costs while providing an intuitive rotational interface for mode switching and parameter adjustment.
Data Source
AI summary
A portable electronic device and a control method thereof are provided. The method is adapted to a portable electronic device including a rotatable element, a fixed element, a screen, a processor, a switch module with at least two protruding elements, and fixed points. The rotatable element is nearby the fixed element. The protruding elements and the fixed points are facing to each other and configured at one and the other of the rotatable element and the fixed element. The processor is coupled to the switch module and the screen. The method includes to display a default user interface corresponding to a default mode on the screen, to determine a corresponding mode according to all press states of each protruding element in the switch module by the processor when the rotatable element is rotated due to an external force applied thereto, and to display a corresponding user interface on the screen.