Electronic Shut-Off Device and Method for Shutting Off an Appliance
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United States of America Patent
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Issued Date -
Mar 11, 2021
app pub date -
Sep 9, 2020
filing date -
Sep 10, 2019
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Abstract
An electronic shut-off device includes an acoustic sensor to detect an acoustic signal from a signaling device, a logic circuit to distinguish the acoustic signal from other sounds, and a trigger to output a shut-off signal as soon as the logic circuit has detected the acoustic signal.
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