Vibration/acceleration sensor
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United States of America Patent
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-
Apr 2, 1991
Grant Date -
N/A
app pub date -
Dec 26, 1989
filing date -
Dec 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vibration/acceleration sensor is provided which includes a basic sensor unit fixed to a casing adapted to be mounted on a body the vibrations of which are to be detected. The sensor unit is surrounded by a resinous material having a low heat transfer coefficient. The sensor unit includes a vibration detecting unit including a piezoelectric bending vibrator, thin plates each formed of, for example, a resinous material having a low heat transfer coefficient, provided respectively on the upper and lower surfaces of the vibration detecting unit, and a signal processing circuit formed on the upper thin plate.
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