Coupling sensor information to an optical cable using ultrasonic vibrations
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United States of America Patent
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Nov 30, 2021
Grant Date -
May 14, 2020
app pub date -
Jan 12, 2020
filing date -
Jul 13, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus includes an electronic circuit, an electro-acoustic transducer and a coupler. The electronic circuit is configured to receive data to be transmitted over an optical cable, and to convert the data into a modulating signal. The electro-acoustic transducer is configured to convert the modulating signal into an acoustic wave. The coupler is configured to be mechanically coupled to a section of the optical cable, and to apply to the section a longitudinal stretching force that varies responsively to the acoustic wave, so as to modulate the data onto an optical carrier traversing the optical cable.
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