US PATENT SUBCLASS 347 / 68
.~.~.~ With piezoelectric force ejection


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

1  DF  INK JET {6}
20  DF  .~ Ejector mechanism (i.e., print head) {13}
54  DF  .~.~ Drop-on-demand {3}
68.~.~.~ With piezoelectric force ejection {3}
69  DF  .~.~.~.~> Shear mode
70  DF  .~.~.~.~> With vibratory plate
71  DF  .~.~.~.~> Layers, plates {1}


DEFINITION

Classification: 347/68

With piezoelectric force ejection:

(under subclass 54) Subject matter wherein the source of intermittent energization is a piezoelectric element.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

311+, for piezoelectric elements and devices.