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Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
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Updated: Apr 12, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
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Event-Based Referred Vibrotactile Feedback for Bare-Hand XR Interaction.

Juyoung Lee, Hyunseo Seo, Hyunjin Lee

    IEEE Transactions on Visualization and Computer Graphics
    |April 10, 2026
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    Summary
    This summary is machine-generated.

    Event-based vibrotactile feedback using smartwatches enhances virtual reality (VR) and augmented reality (XR) interactions. This accessible approach provides tactile confirmation without extra hardware, improving user experience and reducing visual load during complex tasks.

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    Area of Science:

    • Human-Computer Interaction
    • Virtual Reality
    • Augmented Reality

    Background:

    • Existing haptic feedback devices for XR, such as controllers and gloves, require additional hardware, constrain natural hand movement, and can be cumbersome.
    • There is a need for unobtrusive and accessible haptic feedback solutions that enhance bare-hand XR experiences without introducing extra equipment.

    Purpose of the Study:

    • To propose and evaluate event-based vibrotactile feedback delivered via commodity smartwatches as an accessible method for enhancing bare-hand XR interaction.
    • To investigate the impact of wrist-based haptic feedback on user experience, task performance, and cognitive load in XR environments.

    Main Methods:

    • Developed an event-based vibrotactile feedback system using smartwatches to deliver discrete pulses during key manipulation moments in XR.
    • Conducted two user studies with 26 participants to assess the effectiveness of the proposed feedback system in various XR tasks.
    • Collected qualitative and quantitative data on user experience, task completion, and perceived usefulness of the haptic feedback.

    Main Results:

    • The proposed vibrotactile feedback significantly enhanced user experience, with 94% of participants finding it helpful.
    • Feedback delivered to either wrist placement was effective, demonstrating flexibility in implementation.
    • Haptic cues notably reduced visual attention demands, particularly beneficial for complex manipulation tasks like knob rotation.

    Conclusions:

    • Event-based vibrotactile feedback via smartwatches is an effective and accessible approach for improving bare-hand XR interaction.
    • This method offers a practical alternative to traditional haptic devices, supporting natural hand movement and reducing the need for extra hardware.
    • The findings provide design guidelines for integrating ubiquitous haptics into XR, promoting wider adoption of natural interaction paradigms.