US PATENT SUBCLASS 310 / 348
.~.~ With mounting or support means

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}
348.~.~ With mounting or support means {3}
349  DF  .~.~.~> Air gap {1}
351  DF  .~.~.~> Suspended by thin member {2}
354  DF  .~.~.~> Clamped {1}

DEFINITION

Classification: 310/348

With mounting or support means:

(under subclass 311) Subject matter having means to spatially position the piezoelectric element relative to some reference structure or reference point.

(1) Note. This subclass and those indented hereunder include, for example, means for mounting piezoelectric elements that function merely as resonators, filters, or other circuit element types of devices, i.e., an electrical-to-mechanical-back-to-electrical type of transducer. The devices may be viewed as "passive" in that they don't perform mechanical work on something, or receive mechanical energy from something.