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. 2017 Dec 5;7:16963. doi: 10.1038/s41598-017-17277-2

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Performance of remote tactile sensing system integrated with magnetic synapse in different applications. (a) Different pitches of pattern recognition by the remote tactile sensing system (pattern diameter: 500 μm). (b) Different heights of pattern recognition by the remote tactile sensing system (pattern height: 250 μm, 500 μm, 750 μm, and 1,000 μm). (c) Sensing signals of the remote tactile sensing system operating in air and water. The inset shows the touch tip attached to fingers holding a baseball in water, and the LED indicates the magnitude of the applied pressure in steps of 50 kPa. (d) Measurement results of heart rate and relative blood pressure using the developed remote tactile sensing system under two different conditions: at rest and after exercise. The inset shows the remote tactile sensing system attached to a robot hand (Allegro Hand) to measure the pulse signal automatically in real time.