Vibration detecting sensor with temperature compensating piezoel

Details Vibration detecting sensor with temperature compensating piezoel Vibration detecting sensor with temperature compensating piezoel

1996-10-18

1999-01-26

Chapman, John E.

Measuring and testing

Vibration

Sensing apparatus

73766, 310315, G01H 1108

Patent

active

058640665

ABSTRACT:
A vibration detecting sensor includes a vibrating plate, a vibration detecting piezo-electric element attached to the upper surface of the vibrating plate, a temperature compensating piezo-electric element attached to the upper surface of a second plate, covering members for covering the respective plates, and lead-in wires connected electrically to the respective piezo-electric elements.

REFERENCES:
patent: 3877308 (1975-04-01), Taylor
patent: 3940974 (1976-03-01), Taylor
patent: 4052979 (1977-10-01), Scherr et al.
patent: 4531267 (1985-07-01), Royer
patent: 4705981 (1987-11-01), Inoue et al.
patent: 4755975 (1988-07-01), Ito et al.
patent: 5551437 (1996-09-01), Lotscher

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