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Demonstrating Touch&Fold: A Foldable Haptic Actuator for Rendering Touch in Mixed Reality

Published: 06 August 2021 Publication History

Abstract

We propose a nail-mounted foldable haptic device that provides tactile feedback to mixed reality (MR) environments by pressing against the user's fingerpad when a user touches a virtual object. What is novel in our device is that it quickly tucks away when the user interacts with real-world objects. Its design allows it to fold back on top of the user's nail when not in use, keeping the user's fingerpad free to, for instance, manipulate handheld tools and other objects while in MR. To achieve this, we engineered a wireless and self-contained haptic device, which measures 24×24×41 mm and weighs 9.5 g. Furthermore, our foldable end-effector also features a linear resonant actuator, allowing it to render not only touch contacts (i.e., pressure) but also textures (i.e., vibrations). We demonstrate how our device renders contacts with MR surfaces, buttons, low- and high-frequency textures.

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References

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Hideyuki Ando, Eisuke Kusachi, and Junji Watanabe. 2007. Nail-mounted Tactile Display for Boundary/Texture Augmentation. In Proceedings of the International Conference on Advances in Computer Entertainment Technology (ACE ’07), 292–293. https://doi.org/10.1145/1255047.1255131
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Inrak Choi and Sean Follmer. 2016. Wolverine: A Wearable Haptic Interface for Grasping in VR. In Proceedings of the 29th Annual Symposium on User Interface Software and Technology (UIST ’16 Adjunct), 117–119. https://doi.org/10.1145/2984751.2985725
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Teng Han, Fraser Anderson, Pourang Irani, and Tovi Grossman. 2018. HydroRing: Supporting Mixed Reality Haptics Using Liquid Flow. In Proceedings of the 31st Annual ACM Symposium on User Interface Software and Technology (UIST ’18), 913–925. https://doi.org/10.1145/3242587.3242667
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Hiroyuki Kajimoto. 2012. Electrotactile Display with Real-Time Impedance Feedback Using Pulse Width Modulation. IEEE Transactions on Haptics 5, 2: 184–188. https://doi.org/10.1109/TOH.2011.39
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Hwan Kim, Minhwan Kim, and Woohun Lee. 2016. HapThimble: A Wearable Haptic Device Towards Usable Virtual Touch Screen. In Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI ’16), 3694–3705. https://doi.org/10.1145/2858036.2858196
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Pedro Lopes, Sijing You, Alexandra Ion, and Patrick Baudisch. 2018. Adding Force Feedback to Mixed Reality Experiences and Games Using Electrical Muscle Stimulation. In Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems (CHI ’18), 446:1-446:13. https://doi.org/10.1145/3173574.3174020
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Aditya Shekhar Nittala, Klaus Kruttwig, Jaeyeon Lee, Roland Bennewitz, Eduard Arzt, and Jürgen Steimle. 2019. Like A Second Skin: Understanding How Epidermal Devices Affect Human Tactile Perception. In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI ’19), 380:1-380:16. https://doi.org/10.1145/3290605.3300610
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Shan-Yuan Teng, Pengyu Li, Romain Nith, Jersey Fonseca, and Pedro Lopes. 2021. Touch&Fold: A Foldable Haptic Actuator for Rendering Touch in Mixed Reality. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (CHI ’21). https://doi.org/10.1145/3411764.3445099
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Anusha Withana, Daniel Groeger, and Jürgen Steimle. 2018. Tacttoo: A Thin and Feel-Through Tattoo for On-Skin Tactile Output. In Proceedings of the 31st Annual ACM Symposium on User Interface Software and Technology (UIST ’18), 365–378. https://doi.org/10.1145/3242587.3242645
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Cited By

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  • (2024)vARitouch: Back of the Finger Device for Adding Variable Compliance to Rigid ObjectsProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642828(1-20)Online publication date: 11-May-2024
  • (2024)Augmenting the Texture Perception of Tangible Surfaces in Augmented Reality Using Vibrotactile HapticsHaptics: Understanding Touch; Technology and Systems; Applications and Interaction10.1007/978-3-031-70061-3_39(469-484)Online publication date: 3-Nov-2024

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cover image ACM Conferences
SIGGRAPH '21: ACM SIGGRAPH 2021 Emerging Technologies
August 2021
53 pages
ISBN:9781450383646
DOI:10.1145/3450550
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Published: 06 August 2021

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View all
  • (2024)vARitouch: Back of the Finger Device for Adding Variable Compliance to Rigid ObjectsProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642828(1-20)Online publication date: 11-May-2024
  • (2024)Augmenting the Texture Perception of Tangible Surfaces in Augmented Reality Using Vibrotactile HapticsHaptics: Understanding Touch; Technology and Systems; Applications and Interaction10.1007/978-3-031-70061-3_39(469-484)Online publication date: 3-Nov-2024

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