Fig. 2: Sensing mechanism of BM-HMI.
From: Body-coupled minimalist human-machine interface for multifunctional touch detection
a Schematic diagram of the body-coupled sensing mechanism using power-frequency electric and magnetic field as energy. b Equivalent circuit diagram of the body-coupled sensing mechanism using power-frequency electric and magnetic field as energy. c Schematic diagram of the microscale body-coupled sensing mechanism triggered by the finger contact with the BM-HMI. d Schematic diagram of signal transmission in the BM-HMI triggered by the finger contact. e Output signal when the finger slides on BM-HMI
