Dual Spin Speed Mouse Scroll Wheel Damping Gear
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Solution Overview
Problem
Traditional mouse scroll wheels are tiring and cumbersome for users who need to scroll through long documents, as they require multiple steps and can be physically demanding.
Innovation Solution
A mouse with a scroll wheel mechanism that includes a damping gear assembly, allowing users to select between two spin speeds by engaging or disengaging a damping gear, providing mechanical resistance for a 24-step count feel or free spinning, enhancing user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional 24-step mouse scroll wheel is used, then the user can scroll through documents with discrete steps, but the user experiences fatigue and discomfort when scrolling through long documents
Solution Approach 1:
The scroll wheel mechanism transitions from a static single-speed design to a dynamic two-speed design. The damping gear assembly can be selectively engaged or disengaged, allowing the scroll wheel to operate in either a damped mode (providing 24-step discrete scrolling) or an undamped mode (allowing free spinning for rapid scrolling). This dynamic adaptability resolves the contradiction by enabling users to switch between scrolling modes based on their needs.
Solution Approach 2:
The invention changes the operational parameters of the scroll wheel by introducing two distinct spin speeds. The damping gear assembly modifies the mechanical resistance parameter, creating a first spin speed when engaged and a second, faster spin speed when disengaged. This parameter change allows users to efficiently scroll through long documents while maintaining the option for precise control when needed.
2Ease of operation
If a damping gear assembly is added to provide two spin speeds, then user fatigue is reduced, but the device complexity increases
Solution Approach 1:
The damping gear assembly acts as an intermediary mechanical component between the user's input and the scroll wheel's rotation. This mediator selectively introduces or removes damping forces, enabling two distinct operational modes without fundamentally redesigning the entire scroll wheel mechanism. The intermediary approach adds functionality while maintaining relative simplicity.
Solution Approach 2:
The scroll wheel mechanism is segmented into distinct functional components: the scroll wheel itself, the damping gear assembly, and the engagement mechanism. This segmentation allows the damping function to be added as a separate, modular component rather than integrating it into the core scroll wheel structure, thereby managing complexity through functional separation.
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
The solution reduces user fatigue by allowing selective engagement of damping to control scroll wheel speed, offering two scroll speeds and improving usability for lengthy document navigation.
Implementation Method 1
The damping gear assembly may include a damping gear enclosed with the enclosure and configured to rotate about a second rotational axis parallel to the first rotational axis of the scroll wheel... such that the damping gear inhibits rotation of the scroll wheel when the damping gear is engaged with the scroll wheel gear
Data Source
AI summary
A mouse configured to communicatively couple to an information handling system may include an enclosure, a scroll wheel enclosed within the enclosure, with a portion of the scroll wheel extending from the enclosure, the scroll wheel configured to rotate about a first rotational axis, a scroll wheel gear mechanically coupled to the scroll wheel and configured to rotate about the first rotational axis at the same angular velocity as the scroll wheel, and a damping gear assembly. The damping gear assembly may include a damping gear enclosed with the enclosure and configured to rotate about a second rotational axis parallel to the first rotational axis of the scroll wheel and a slider enclosed within the enclosure and exposed through an opening of the enclosure proximate to the portion of the scroll wheel which is exposed through the enclosure, the slider mechanically coupled to the damping gear to enable a user to selectively engage the damping gear to the scroll wheel gear and selectively disengage the damping gear from the scroll wheel gear by interacting with the slider, such that the damping gear inhibits rotation of the scroll wheel when the damping gear is engaged with the scroll wheel gear and such that the scroll wheel rotates freely when the damping gear is disengaged from the scroll wheel gear.