Abstract:Vibrational communication is a suitable method for exchanging important personal information between information technology devices. Since the vibration propagates only through the vibration medium, the information signal is spatially limited, and it prevents any eavesdropping. However, it has proven slow and unreliable. Therefore, we proposed a vibrational communication method using the ultrasonic band. The characteristics of the vibration propagation were measured using piezoelectric elements as the transmit… Show more
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