Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Patent
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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Kagata Hiroshi
Kato Jun-ichi
Kawakita Kouji
Kawasaki Osamu
Moritoki Katsunori
Chapman John E.
Matsushita Electric - Industrial Co., Ltd.
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