An adaptive roller device and mouse

By using a planetary gear assembly and a magnetic bearing in conjunction with an adaptive scroll wheel, the damping state is automatically switched, solving the problems of tactile feedback and cumbersome operation when scrolling the mouse wheel quickly, and achieving a stable and convenient scrolling experience.

CN224341862UActive Publication Date: 2026-06-09G TECH TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
G TECH TECH
Filing Date
2025-07-03
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing mouse wheels have issues with tactile feedback when scrolling quickly, which affects efficiency and makes operation cumbersome. Switching between damping states is also cumbersome.

Method used

An adaptive roller device is adopted, which automatically switches the damping state through the cooperation of planetary gear assembly and magnet and bearing. It uses the magnetic force and inertial force of magnet and bearing to switch between tactile and high-speed rotation at different stages of rotation, combined with the feedback electrical signal of Hall sensor.

Benefits of technology

It enables a smooth switching between slow and fast rotation of the scroll wheel, providing stability and ease of operation, and enhancing the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention aims to provide an adaptive scroll wheel device and mouse that automatically switches between damped and undamped states and exhibits good stability during operation, thus providing a better user experience. The adaptive scroll wheel device includes a base, a scroll wheel, a sensor unit, and an inner wheel. A fixed gear is mounted on the base, and the scroll wheel rotatably engages with the base. A planetary gear assembly that meshes with the fixed gear is mounted on the scroll wheel. The inner wheel rotatably engages with the inner side of the fixed gear via a first bearing. A transmission gear that meshes with the planetary gear assembly is mounted on the inner wheel. Several magnets that magnetically engage with the first bearing are movably disposed within the inner wheel, and these magnets are evenly distributed on the inner wheel. The sensor unit is mounted on the base and magnetically senses the magnets. The mouse includes this adaptive scroll wheel device. This invention applies to the technical field of mouse structure.
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