Magnetic Tactile Module for Complex Message Sensations
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Solution Overview
Problem
Conventional haptic technologies are limited in providing emotional and complex tactile information, mainly offering simple vibrations and failing to effectively convey detailed or emotional sensations.
Innovation Solution
A tactile information supply module utilizing magnetic particles and a matrix material that transforms in response to an external magnetic field to provide a range of tactile sensations, including emotions and complex information, through a receiver and controller system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional haptic actuators (inertial, piezoelectric, electrostatic) are used, then simple vibration can be provided, but emotional and complex tactile information cannot be effectively conveyed
Solution Approach 1:
The patent uses magnetorheological elastomer, a composite material combining magnetic particles with an elastomeric matrix. This material exhibits variable rigidity and shape in response to magnetic fields, enabling complex tactile information display without requiring multiple separate actuators. The composite nature allows simultaneous achievement of structural integrity and magnetic responsiveness.
Solution Approach 2:
The patent changes the physical parameters of the tactile sensation provider by applying magnetic fields that alter the magnetic particle alignment and distribution within the elastomer. This causes dynamic changes in rigidity, shape, and surface topology, enabling the display of complex tactile information including emotions and text without changing the physical actuator structure.
2Adaptability or versatility
If magnetic particles and matrix material are used to transform in response to magnetic field, then emotional and complex tactile information can be provided, but the material composition becomes more complex
Solution Approach 1:
The patent employs a composite material system consisting of magnetic particles dispersed in an elastomeric matrix. This single composite material provides multiple tactile sensations through magnetic field control, eliminating the need for multiple separate materials or components. The magnetic particles provide field responsiveness while the elastomer provides structural flexibility and tactile comfort.
Solution Approach 2:
The magnetorheological elastomer serves multiple functions simultaneously: it provides structural support, enables magnetic field responsiveness, allows shape transformation, and delivers various tactile sensations. This multi-functionality reduces the overall material quantity needed compared to using separate components for each function.
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 the emotional and effective provision of various tactile information types, including simple signals and complex data like texts or geometric figures, enhancing the capability to convey detailed and realistic tactile experiences.
Implementation Method 1
a tactile information supply module for converting message information received from the outside, into a tactile signal and providing tactile information using a variation in shape of at least one tactile sensation provider comprising magnetic particles and a matrix material, in response to an externally applied magnetic field
Data Source
AI summary
A method of providing a mobile device with information of an incoming message using a tactile signal is provided. The method includes receiving the incoming message at the mobile device, determining at least one type of the tactile signal for the information of the incoming message based on a selected setting, transforming the information of the incoming message into the at least one type of the tactile signal, activating the at least one type of the tactile signal, and providing the mobile device with the information of the incoming message using the activated at least one type of the tactile signal.