Fundamental development of ultrasonic communication system for wearable devices

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This study is about the communication system using modulated ultrasonic waves and human body as a transmission path. This system is applied to the communication of the wearable device, which is electronic hardware installed computing and wireless communication functions with wearable size. The transmission speed is attained about 250 kbps. In the process, it is discovered that electric field is generated, when ultrasonic wave is output. Future plan, the system will be expanded hybrid communication using both of ultrasonic wave and electric field.