Acceleration sensor

Details Acceleration sensor Acceleration sensor

1989-12-22

1992-03-17

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73654, G01P 1509

Patent

active

050957511

ABSTRACT:
An acceleration sensor is disclosed which includes a weight, piezoelectric element(s), a charge amplifier, an insulation plate and a conductive casing. The insulation plate fixedly mounts the weight and piezoelectric element(s) and is fixed to the conductive casing which is maintained at the earth potential. Input terminals of the charge amplifier are connected to the output electrodes of the element(s) and a grounding circuit of the amplifier is connected to the conductive casing so that the input terminals of the amplifier are floated from the earth potential.

REFERENCES:
patent: 4085349 (1978-04-01), Farstad
patent: 4417476 (1983-11-01), Knowlton
patent: 4441370 (1984-04-01), Sakurada
patent: 4620442 (1986-11-01), MacGugan et al.
patent: 4801838 (1989-01-01), Beauducel
patent: 4816713 (1989-03-01), Change

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