SmartTouch: electric skin to touch the untouchable

Kajimoto, Hiroyuki; Kawakami, Naoki; Tachi, Susumu; İnami, Masahiko

doi:10.1109/mcg.2004.1255807

Cited by 144 publications

(103 citation statements)

References 13 publications

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“…Our work is strongly related to electrotactile stimulation with which current is directly transmitted from a surface electrode into the skin to stimulate the cutaneous nerves [17,18]. Unlike electrotactile feedback, electrovibration creates a tactile sensation indirectly through electrostatic attraction forces [4] or through reverse electrovibration for which a weak electrical signal is directly injected into the user's body [5].…”

Section: Electrotactile and Electrovibration Stimulationmentioning

confidence: 99%

“…A coaxial electrode can elicit vague pressure or vibratory sensations when the center electrode is used as cathode or anode, respectively [18]. Other findings indicate that direct current stimulation causes a sensation of warmth and tingling, which can persist when the current is turned off, suggesting that the nerves are excited by biochemical changes in the tissue [22].…”

Section: Sensationsmentioning

confidence: 99%

“…The mechanism of stimulation with electric arcs is similar to electrotactile feedback for which electric current is directly transmitted into the skin to stimulate the nerves [17,18]. The main parameters used for controlling electrotactile sensations are current magnitude and pulse frequency [2], and polarity of the electrode [18].…”

Section: Control Parameters For Electric Arcsmentioning

confidence: 99%

“…The main parameters used for controlling electrotactile sensations are current magnitude and pulse frequency [2], and polarity of the electrode [18]. To create sensations from bodycarried electrostatic charge only the voltage can be controlled to change the intensity of the electric shock [26].…”

Section: Control Parameters For Electric Arcsmentioning

confidence: 99%

“…Then, they selected from a list nouns that best described the sensations. We chose nouns based on known descriptions of electrical stimuli (e.g., tingling, prickling, warm, and hot [9,10,17,18]). Finally, they rated the characteristics of the arcs on a 5-point Likert scale (perceptibility, intensity, comfort, pain, and stress to touch the arcs).…”

Section: Data Collectedmentioning

confidence: 99%

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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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Section: Electrotactile and Electrovibration Stimulationmentioning

confidence: 99%

Section: Sensationsmentioning

confidence: 99%

Section: Control Parameters For Electric Arcsmentioning

confidence: 99%

Section: Control Parameters For Electric Arcsmentioning

confidence: 99%

Section: Data Collectedmentioning

confidence: 99%

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Sparkle

Spelmezan

Sahoo

Subramanian

2017

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

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Tactile Stimulation

Poletto¹

2006

Encyclopedia of Medical Devices and Instrumentation

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Tactile stimulators manipulate sensors in the skin to produce sensations such as light touch, vibration, pressure, shape, and texture. The wide variety of applications for tactile stimulation include sensory substitution and augmentation, telepresence and telerobotic sensory feedback, improved immersion in virtual environments, and general information communication through the skin senses. This article discusses the three primary classes of tactile stimulation technologies: vibrotaction, dynamic mechanical shape arrays, and electrocutaneous stimulation. An overview of basic mechanoreceptor physiology is provided, including implications for stimulator design parameters. Predictions for the future development of tactile stimulation are presented, including the emerging applications in wearable computers.

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Haptic Aspects

Riener

Harders

2012

Virtual Reality in Medicine

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SmartTouch: electric skin to touch the untouchable

Cited by 144 publications

References 13 publications

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