SENSOR DEVICES
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Jun 30, 2023
filing date -
Apr 23, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
One of the embodiments of the present disclosure provides a sensor device, including: a housing and a transducer unit, wherein the housing has an accommodating cavity inside, the transducer unit includes a vibration pickup structure configured to pick up a vibration of the housing and produce an electrical signal, and the transducer unit in the accommodating cavity separates the accommodating cavity to form a front cavity and a rear cavity on opposite sides of the vibration pickup structure. At least one cavity of the front cavity and the rear cavity is filled with liquid, the liquid is in contact with the vibration pickup structure, and an air cavity is formed between the liquid and the housing.
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