Power control system for a printer

Details Power control system for a printer Power control system for a printer

1994-03-31

1996-05-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 57, B41J 207

Patent

active

055194176

ABSTRACT:
A control system for a printer having at least one heating element for producing spots applies one of a plurality of voltage levels to at least one heating element disposed on a printhead. A voltage supply supplies a voltage to a first one of a plurality of switches connected in series with a last one of the switches being connected to the at least one heating element. At least one of the switches defines a first path and a second path having different voltage drops. A controller coupled to the plurality of switches selectively actuates the switches to apply one of a plurality of predetermined voltages to the at least one heating element.

REFERENCES:
patent: 5017948 (1991-05-01), Koizumi et al.
patent: 5057855 (1991-10-01), Damouth
patent: 5083137 (1992-01-01), Badyal et al.
patent: 5223853 (1993-06-01), Wysocki et al.
patent: 5300968 (1994-04-01), Hawkins

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