Multi-mode Scroll Wheel with Variable Friction Profiles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing computer peripheral interface devices face challenges in incorporating multiple operation modes, such as freewheel, ratchet, and friction modes, in a compact design while reliably switching among them, which affects user experience and productivity, especially in applications requiring precise scrolling and manipulation.
Innovation Solution
A computer peripheral interface device with a wheel member configured to rotate in multiple modes, including freewheel, ratchet, and friction modes, selected manually or automatically using mechanical, electrical, or electromagnetic actuators, allowing for unique friction profiles and precise control through mechanisms like carriage structures, barrel cams, and viscous materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple operation modes (freewheel, ratchet, friction) are incorporated into a compact design, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The patent combines multiple operation modes (freewheel, ratchet, friction) into a single integrated wheel member structure. The wheel member incorporates different functional zones that can be selectively engaged through actuators, merging what would traditionally be separate mechanisms into one unified component. This reduces overall device complexity while maintaining adaptability across multiple operating modes.
Solution Approach 2:
The wheel member is designed as a universal component that can perform multiple functions through different operation modes. A single wheel member provides freewheel mode for rapid scrolling, ratchet mode for precise incremental positioning, and friction mode for controlled positioning, eliminating the need for separate mechanisms for each function.
2Adaptability or versatility
If multiple operation modes are incorporated with reliable switching mechanisms, then adaptability is improved, but ease of manufacture deteriorates
Solution Approach 1:
The wheel member is segmented into different functional zones along its circumference, with each zone corresponding to a specific operation mode. These segments can be manufactured separately and then assembled onto the wheel member, simplifying the manufacturing process. The actuators are also segmented to control specific zones independently, allowing for modular manufacturing and assembly.
3Productivity
If precise scrolling control is achieved through multiple modes, then productivity is improved, but device complexity increases
Solution Approach 1:
The system dynamically switches between different operation modes based on user needs and application requirements. The actuators enable real-time transitions between freewheel, ratchet, and friction modes, allowing the wheel member to adapt its characteristics during operation. This dynamic capability provides precise scrolling control when needed while maintaining simplicity during standard operations.
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 improved user experience and productivity by providing flexible and precise scrolling capabilities, allowing users to switch seamlessly between modes to suit different applications, enhancing interaction with computing devices in various tasks like image editing and gaming.
Implementation Method 1
a friction applying assembly including a first member and a second member... The second member of the friction applying assembly may be configurable to mechanically or electromagnetically apply the respective unique friction profile
Implementation Method 2
The plurality of modes may be selected by one or more mechanical, electrical, electromechanical, or electromagnetic actuators
Data Source
AI summary
Disclosed are computer peripheral interface devices (such as computer mice) that include a wheel member configured to rotate around an axis in a plurality of modes, where each of the plurality of modes corresponds to a respective unique friction profile. The plurality of operation modes includes a freewheel mode and at least two additional modes. The at least two additional modes includes two or more different ratchet modes, two or more different constant friction modes, or at least one constant friction mode and at least one ratchet mode. The interface device also includes an actuator assembly configured to set the wheel member to each of the plurality of operation modes.