VacuumTouch

Hachisu, Taku; Fukumoto, Masaaki

doi:10.1145/2556288.2557252

Cited by 16 publications

(3 citation statements)

References 32 publications

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“…Similarly, Yamaoka et al reproduced the sensation of touching an adhesive surface by using the adhesive force of air suction (Yamaoka et al, 2008). In addition, Hachisu et al developed a table-top suction tactile presentation device and demonstrated that it is possible to modulate the sense of friction (Hachisu and Fukumoto, 2014).…”

Section: Suction-type Tactile Devicesmentioning

confidence: 99%

Design of Suction-Type Tactile Presentation Mechanism to Be Embedded in HMD

Kameoka¹,

Kajimoto²

2022

Front. Virtual Real.

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To enrich the virtual reality experience and improve realism, many studies have proposed embedding tactile devices into head-mounted displays (HMDs). However, although thermal and vibrotactile cues have become commonplace, presentation of the constant pressure necessary for softness expression remains relatively rare. In this study, we propose a suction-type tactile presentation method that addresses this issue. Through subjective evaluation and simulation using the finite element method, we verified that the proposed suction-type tactile presentation method is suitable for use with HMDs and that by increasing the number and density of the suction holes, a stronger tactile sensation can be created.

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Section: Suction-type Tactile Devicesmentioning

confidence: 99%

Design of Suction-Type Tactile Presentation Mechanism to Be Embedded in HMD

Kameoka¹,

Kajimoto²

2022

Front. Virtual Real.

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“…However, air jets can give users force feedback an a top-projected interactive surface by releasing compressed air through nozzles built into the surface (e.g., to impart force onto a handheld tool shaped like a cup) [35]. In the reverse direction air suction can provide force feedback through a perforated projection sheet through which a vacuum pump attracts the user's finger [14].…”

Section: Air Vertices and Air Suctionmentioning

confidence: 99%

“…For example, the touchpad-sized prototype can be turned into a top-projected display using a diffuser surface perforated at the location of the pins [14]. Alternatively, transparent electrodes can be placed on a diffuser surface for rear-projection [23], or on an LCD.…”

Section: Instrumentation For a Displaymentioning

confidence: 99%

Sparkle

Spelmezan

Sahoo

Subramanian

2017

Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems

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Many finger sensing input devices now support proximity input, enabling users to perform in-air gestures. While nearsurface interactions increase the input vocabulary, they lack tactile feedback, making it hard for users to perform gestures or to know when the interaction takes place. Sparkle stimulates the fingertip with touchable electric arcs above a hover sensing device to give users in-air tactile or thermal feedback, sharper and more feelable than acoustic mid-air haptic devices. We present the design of a high voltage resonant transformer with a low-loss soft ferrite core and self-tuning driver circuit, with which we create electric arcs 6 mm in length, and combine this technology with infrared proximity sensing in two proof-of-concept devices with form factor and functionality similar to a button and a touchpad. We provide design guidelines for Sparkle devices and examples of stimuli in application scenarios, and report the results of a user study on the perceived sensations. Sparkle is the first step towards providing a new type of hover feedback, and it does not require users to wear tactile stimulators.

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