Piezoelectric polymer composite article and system

Details Piezoelectric polymer composite article and system Piezoelectric polymer composite article and system

2006-03-03

2008-10-28

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S357000, C310S800000

Reexamination Certificate

active

07443082

ABSTRACT:
The subject invention provides composite articles (20, 120) and associated systems (32, 132). A first composite article (20) includes a piezoelectric layer (22) having a piezoelectric property. The piezoelectric layer (22) is sandwiched between a first conductive layer (28) and a second conductive layer (30). At least one of the conductive layers (28, 30) is a conductive polymer having an electrically conductive property. A second composite article (120) includes first and second piezoelectric layers (122, 124) having a piezoelectric property. The first and second piezoelectric layers sandwich an insulating layer (126). A first system (32) and a second system (132) each include a control device (34) electrically connected to the first composite article (20) or the second composite article (120), respectively. The control device (34) measures an electrical signal generated by the respective piezoelectric layers (22, 122, 124) and/orproduces an electrical signal to actuate the respective piezoelectric layers (22, 122, 124).

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