Rotatable Sleeve Input Device for Stylus and Roller Mode Switching
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Solution Overview
Problem
The integration of a stylus with electronic systems, such as notebook computers and mobile devices, is inefficient, as the stylus often remains idle and occupies space without being well-integrated into the system's functionality.
Innovation Solution
An electronic device with a rod, first sleeve, and second sleeve that can be rotated to switch between a roller-type input device and a stylus mode, utilizing magnetic mechanisms and sensors to control the device's functions and position, allowing seamless integration with the electronic system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the stylus is integrated into the electronic system, then the integration of stylus and electronic system is improved, but the device complexity increases
Solution Approach 1:
The electronic device is designed to perform multiple functions: it can operate as a stylus for touch input, as a roller-type input device for scrolling and navigation, and as a protective cover. This multi-functionality eliminates the need for separate stylus and input device components, improving integration while managing complexity through unified design.
Solution Approach 2:
The device incorporates movable components including a rotatable first sleeve that can switch between covering the touch head (stylus mode) and exposing it (input device mode), and a slideable second sleeve that enables rotation detection. These dynamic elements allow the device to adapt its function based on its configuration, resolving the contradiction between integration and complexity.
2Device complexity
If the stylus is kept in idle state, then the device complexity is reduced, but the productivity decreases due to idle space occupation
Solution Approach 1:
The electronic device serves itself by functioning as both a protective cover and an active input device. When attached to the electronic system, it automatically provides stylus functionality and can detect user interactions, eliminating the need for separate idle stylus storage and maximizing utility of the attached component.
Solution Approach 2:
The device is designed to be functional in multiple states - as a protective cover, as a stylus, and as a roller-type input device. This ensures that the component never occupies space in an idle state without providing value, thereby improving productivity while maintaining acceptable complexity.
3Ease of operation
If the first sleeve is made rotatable, then the ease of operation is improved for mode switching, but the device complexity increases
Solution Approach 1:
The rotation detection mechanism uses magnetic fields and sensors rather than complex mechanical switches. The second sleeve with magnetic members interacts with sensors in the rod to detect rotation angle, providing smooth and precise mode switching with relatively simple mechanical implementation, thus improving ease of operation while limiting complexity increase.
Solution Approach 2:
The rotatable first sleeve provides a dynamic user interface for switching between modes. The mechanical rotation itself is simple, but the integration with magnetic sensing and software control creates an intuitive and easy-to-use system that balances operational simplicity with functional complexity.
4Productivity
If the touch head is always exposed, then the productivity is improved, but the adaptability decreases as it cannot function as stylus
Solution Approach 1:
The touch head coverage is made dynamic through the rotatable first sleeve. The sleeve can rotate to cover the touch head for stylus mode or expose it for direct touch input mode. This dynamic reconfiguration allows the device to adapt its functionality based on user needs, resolving the contradiction between productivity and adaptability.
Solution Approach 2:
The device is segmented into functional modules: the touch head, the rotatable first sleeve, and the second sleeve with magnetic components. This segmentation allows independent optimization of each component while enabling flexible combination, so the touch head can be exposed for productivity or covered for stylus function as needed.
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 switching between input device and stylus modes, enhancing integration and reducing idle space usage within the electronic system, allowing users to conveniently adapt the device for different functions.
Implementation Method 1
When the power source is turned on, the electromagnet is magnetically attracted to the magnetic member, so that the magnetic member drives the lever to move
Data Source
AI summary
An electronic device includes a rod, a first sleeve, and a second sleeve. The rod has a first portion and a second portion. The first portion includes a touch head. The first sleeve is slidably sleeved on the first portion of the rod, and is movable between a first position and a second position of the first portion. When the first sleeve is at the first position, the electronic device is adapted to serve as a roller-type input device. A function of the roller-type input device is controlled according to information of the first sleeve or the second sleeve rotating relative to the rod. When the first sleeve is at the second position, the touch head is exposed from the first sleeve and enabled, so that the electronic device is adapted to serve as a stylus. In addition, an electronic system with the electronic device is also mentioned.