US PATENT SUBCLASS 400 / 124.16
.~.~.~.~ Electrostrictive, magnetostrictive, or piezoelectric

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

118.2  DF  TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE {3}
124.01  DF  .~ Character formation by impact (e.g., wire matrix) {4}
124.11  DF  .~.~ Printhead {6}
124.14  DF  .~.~.~ With actuator {3}
124.16.~.~.~.~ Electrostrictive, magnetostrictive, or piezoelectric

DEFINITION

Classification: 400/124.16

Electrostrictive, magnetostrictive, or piezoelectric:

(under subclass 124.14) Subject matter wherein the percussive force is produced in the actuator by periodic deformation of a dielectric body as a result of an applied electric or magnetic field or electric voltage.

SEE OR SEARCH CLASS

310, Electric Generator or Motor Structure,

311+, for specifics of general purpose piezoelectric actuators.