US PATENT SUBCLASS 347 / 56
.~.~.~ With thermal force ejection

Current as of: June, 1999
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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}
56.~.~.~ With thermal force ejection {6}
57  DF  .~.~.~.~> Drive signal application {1}
60  DF  .~.~.~.~> Preheat
61  DF  .~.~.~.~> Thermal force generators {1}
63  DF  .~.~.~.~> Composite ejector {2}
66  DF  .~.~.~.~> Head separate from fluid supply
67  DF  .~.~.~.~> With additional feature

DEFINITION

Classification: 347/56

With thermal force ejection:

(under subclass 54) Subject matter wherein the source of intermittent energization is thermal energy (e.g., heat).

(1) Note. Bubble ink jets are included in this subclass.