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AsiaHaptics 2018: Haptic Interaction pp 92–94Cite as

Circular Lateral Modulation in Airborne Ultrasound Tactile Display

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 535))

Abstract

Airborne Ultrasound Tactile Display (AUTD) can present tactile stimulus on the skin, but the generated pressure is too small in many cases to be perceived on the hairy part. In a previous paper, we proposed a lateral modulation (LM) method where the ultrasound focus was reciprocated along the skin surface instead of amplitude modulation (AM). LM provided clear vibrotactile stimuli even on the hairy skin. In this research, we examine a new modulation named LMc where the ultrasound focus follows a circumference on the skin. In this method, the frequency of the pressure received by each skin receptor is constant regardless of the position. The conference participants experience the difference among AM, LM, and LMc.

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References

  1. Iwamoto, T., Tatezono, M., Shinoda, H.: Non-contact method for producing tactile sensation using airborne ultrasound. In: Proceedings of EuroHaptics 2008, pp. 504–513 (2008)

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Author information

Authors and Affiliations

  1. The University of Tokyo, Tokyo, Japan

    Ryoko Takahashi, Saya Mizutani, Keisuke Hasegawa, Masahiro Fujiwara & Hiroyuki Shinoda

Authors
  1. Ryoko Takahashi
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  2. Saya Mizutani
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  3. Keisuke Hasegawa
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  4. Masahiro Fujiwara
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  5. Hiroyuki Shinoda
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Corresponding author

Correspondence to Ryoko Takahashi .

Editor information

Editors and Affiliations

  1. Department of Informatics, The University of Electro-Communications, Chofu, Tokyo, Japan

    Hiroyuki Kajimoto

  2. School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, Korea (Republic of)

    Dongjun Lee

  3. Korea University of Technology and Education, Cheonan-si, Ch´ungch´ong-namdo, Korea (Republic of)

    Sang-Youn Kim

  4. Tohoku University, Miyagi, Miyagi, Japan

    Masashi Konyo

  5. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea (Republic of)

    Ki-Uk Kyung

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© 2019 Springer Nature Singapore Pte Ltd.

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Cite this paper

Takahashi, R., Mizutani, S., Hasegawa, K., Fujiwara, M., Shinoda, H. (2019). Circular Lateral Modulation in Airborne Ultrasound Tactile Display. In: Kajimoto, H., Lee, D., Kim, SY., Konyo, M., Kyung, KU. (eds) Haptic Interaction. AsiaHaptics 2018. Lecture Notes in Electrical Engineering, vol 535. Springer, Singapore. https://doi.org/10.1007/978-981-13-3194-7_20

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