Acceleration sensor

Details Acceleration sensor Acceleration sensor

1998-06-03

2000-04-18

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73 138, G01P 1509, G01P 2100

Patent

active

060501448

ABSTRACT:
An acceleration sensor has a piezoelectric element which includes a piezoelectric member layer in which a plurality of piezoelectric members are stacked and electrodes which are disposed in major opposed surfaces of the piezoelectric member layer; and a support member for supporting the piezoelectric element, wherein some piezoelectric members of the piezoelectric member layer are polarized, the electrodes are disposed in the both surfaces of the polarized piezoelectric members, capacitors which are formed by the polarized piezoelectric members and the electrodes in the both surfaces of the polarized piezoelectric members are connected parallel to each other.

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patent: 5452612 (1995-09-01), Smith et al.
patent: 5473930 (1995-12-01), Gademann et al.
patent: 5515725 (1996-05-01), Tabota et al.
patent: 5631421 (1997-05-01), Ohgke et al.
patent: 5734107 (1998-03-01), Boehm et al.

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