Vibration/acceleration sensor

Details Vibration/acceleration sensor Vibration/acceleration sensor

1989-12-26

1991-04-02

Williams, Hezron E.

Measuring and testing

Vibration

Sensing apparatus

73517R, 73DIG4, 310331, G01D 2100

Patent

active

050038249

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.

REFERENCES:
patent: 3167668 (1965-01-01), Nesh
patent: 4364259 (1982-12-01), Muranaka et al.
patent: 4713573 (1987-12-01), Gansert et al.

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