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Detection of Human Microvibration Transmitted along Solid Using Pico‐Tesla Magneto‐Impedance Sensor

Human microvibration waveforms are sensitively detected using a newly developed pico‐Tesla magneto‐impedance sensor (pT‐MI sensor) when the human skin is touched directly or indirectly via transmission solid by the sensor head. The origin of the microvibration is discussed, considering the cellular Ca2+ flow oscillation for the smooth muscle autonomous vibration. Copyright © 2010 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.