Abstract
This paper describes a new tactile device which produces stress fields in 3D space. Combined with 3D stereoscopic displays, this device is expected to provide high-fidelity tactile feedback for the interaction with 3D visual objects. The principle is based on a non-linear phenomenon of ultrasound, acoustic radiation pressure. We fabricated a prototype device to confirm the feasibility as a tactile display. The prototype consists of 91 airborne ultrasound transducers packed in the hexagonal arrangement, a 12 channel driving circuit, and a PC. The transducers which were in the same distance from the center of the transducer array were connected to form a 12 channel annular array. The measured total output force within the focal region was 0.8 gf. The spatial resolution was 20 mm. The prototype could produce sufficient vibrations up to 1 kHz.
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© 2008 Springer-Verlag Berlin Heidelberg
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Iwamoto, T., Tatezono, M., Shinoda, H. (2008). Non-contact Method for Producing Tactile Sensation Using Airborne Ultrasound. In: Ferre, M. (eds) Haptics: Perception, Devices and Scenarios. EuroHaptics 2008. Lecture Notes in Computer Science, vol 5024. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69057-3_64
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DOI: https://doi.org/10.1007/978-3-540-69057-3_64
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-69056-6
Online ISBN: 978-3-540-69057-3
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