ULTRASONIC MICROPHONE AND ULTRASONIC ACOUSTIC RADIO
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Dec 8, 2023
filing date -
Mar 16, 2015
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Abstract
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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