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Ultrasonic Microphone and Ultrasonic Acoustic Radio
Ultrasonic Microphone and Ultrasonic Acoustic Radio
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机译:超声波麦克风和超声波声学收音机
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摘要
This disclosure provides systems, methods, and apparatus related to an ultrasonic microphone and an ultrasonic acoustic radio. In one aspect a system includes a transmitter and a receiver. The receiver comprises a membrane. The membrane comprises a single layer or multiple layers of a two-dimensional material. The receiver is operable to receive sound waves in a frequency range, with the frequency range being the ultrasonic frequency range.
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