US PATENT SUBCLASS 310 / 331
.~.~.~.~ Plural elements

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

300  DF  NON-DYNAMOELECTRIC {4}
311  DF  .~ Piezoelectric elements and devices {17}
328  DF  .~.~ With mechanical energy coupling means {6}
330  DF  .~.~.~ Bending type {1}
331.~.~.~.~ Plural elements {1}
332  DF  .~.~.~.~.~> Multimorph

DEFINITION

Classification: 310/331

Plural elements:

(under subclass 330) Subject matter having two or more piezoelectric elements and wherein bending type mechanical stresses are produced in at least one of the elements.