Power control system for a thermal ink-jet printer

Details Power control system for a thermal ink-jet printer Power control system for a thermal ink-jet printer

1995-07-31

1996-10-08

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 14, 307113, B41J 205

Patent

active

055636357

ABSTRACT:
A power control system in a thermal ink-jet printer facilitates practically instantaneous voltage changes to a heating element. A first set of selectably-actuable voltage lines is operatively connected in parallel to a first terminal of the heating element, each line having associated therewith a predetermined voltage output. A second set of selectably-actuable voltage lines is operatively connected in parallel to a second terminal of the heating element, each line having associated therewith a predetermined voltage output. One of the first set of selectably-actuable voltage lines and one of the second set of selectably-actuable voltage lines are activated as required.

REFERENCES:
patent: 5017948 (1991-05-01), Koizumi et al.
patent: 5083137 (1992-01-01), Badyal et al.
patent: 5144336 (1992-09-01), Yeung
patent: 5300968 (1994-04-01), Hawkins

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