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IBL-26-2934

Virtual Reality Motion Sickness Measurement Device and Method for Mitigating Motion Sickness in Virtual Reality Devices

Listed on
2026-10-28
VR Motion Sickness Measurement and Playtime Alert Device Based on Weighted SSQ Scores

This technology is a virtual reality motion sickness measurement device that provides a Simulator Sickness Questionnaire (SSQ) to a user terminal, categorizing 16 symptoms into three components: nausea, oculomotor, and disorientation. It calculates component-specific scores and a final weighted sum based on user responses, then transmits the appropriate content playback time to the VR simulator as an alert.

Virtual reality environments closely mimic reality, but prolonged exposure to content with excessive speed or rapid screen transitions often leads to dizziness and nausea. While VR hardware has advanced rapidly, there has been a lack of research into the factors causing motion sickness, quantitative measurement methods, and the interaction between users and VR environments.

This technology calculates a final motion sickness score by accumulating symptom scores on a 4-point scale across three components and applying specific weights. It then retrieves the corresponding playback time from stored data and sends it to the simulator. The simulator displays an on-screen alert before the time expires, enabling personalized experience management for VR theme park rides and HMD-based training simulators.

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Key Features:
  • A questionnaire provider that generates and sends a Simulator Sickness Questionnaire to a user terminal, classifying symptoms into nausea, oculomotor, and disorientation.
  • A motion sickness measurement unit that calculates scores for the three components and computes a final weighted motion sickness score.
  • A storage unit that saves matching information between final scores and VR content playback times, and a control unit that generates and sends alerts to the simulator.
  • A VR simulator that displays an on-screen warning a preset time before the content playback duration expires.

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Incheon National University
Jaehyun Park | Munkyung Choi
Document
Date of application:
2018-07-23
|
Patent registration number:
10-2168219
Industry
IT•internet
games•entertainment
Technology
Human-machine interface
Computer
Country
Korea
Family Patent

N/A

Price
7000000
Fixed price
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