Magnetic Gear Haptic Feedback for Power-Free Wearable Control
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Solution Overview
Problem
Conventional haptic feedback systems in wearable devices consume power, are complex, and difficult to maintain, often requiring additional hardware that drains device resources and complicates integration.
Innovation Solution
A purely mechanical haptic feedback system using a gear module with magnets and a daisy wheel, where rotation generates haptic feedback without the need for electricity, reducing power consumption and simplifying integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional haptic feedback systems (linear/counterweight vibrators, piezoelectric ceramics, audio sound feedback) are used, then haptic feedback effects can be generated, but power consumption increases and device operating time decreases
Solution Approach 1:
The patent replaces conventional electromechanical haptic feedback systems (linear/counterweight vibrators, piezoelectric ceramics, audio sound feedback) with a purely mechanical haptic feedback system using a gear module. This mechanical system generates haptic feedback through the interaction of magnets and gear teeth during rotation, eliminating the need for additional power-consuming actuators and extending device operating time.
2Device complexity
If conventional haptic feedback systems with embedded hardware are integrated, then haptic feedback effects can be generated, but device complexity increases and maintenance becomes difficult
Solution Approach 1:
The patent merges the haptic feedback generation function directly into the existing gear module that is already part of the device's mechanical structure. By integrating magnets and gear teeth into the gear module, the system eliminates the need for separate embedded haptic actuators and control circuitry, thereby reducing device complexity and facilitating easier maintenance.
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 system provides efficient, power-saving haptic feedback generation, simplifying device maintenance and integration by eliminating the need for additional hardware components.
Implementation Method 1
as at least one of the set of magnets is aligned and then misaligned with at least one of the plurality of teeth, a mechanical haptic feedback to a user is generated by the gear module
Data Source
AI summary
Various embodiments disclosed herein relate to a system and method whereby a haptic feedback mechanism may be integrated into a rotatable gear module such that rotating the module may generate pure mechanical haptic feedback. The gear module may be integrated into a wearable device, such as headphones, such that a set of magnets incorporated within may be aligned and misaligned with a plurality of teeth when the gear module rotates. In response to the rotation, each alignment and misalignment of the set of magnets with the plurality of teeth may generate pure haptic feedback. In embodiments, the gear module may be rotated to increment or decrement a unit of measurement associated with the headphones. Each unit of increment or decrement of change may produce haptic feedback based on the alignment and misalignment of the set of magnets.