Printer RF line control

Details Printer RF line control Printer RF line control

1990-04-04

1991-02-05

Miller, Jr., George H.

Recorders

Electric recording

Electrochemical

346159, G01D 1506

Patent

active

049909428

ABSTRACT:
An improved controller for a printhead having crossed first and second sets of electrodes determines whether any electrode of the second set is to be activated, and disables an electrode of the first set if it determines that no second electrode is active. By reducing the number of times the first electrodes are actuated printhead life and print quality are improved. In one embodiment, the controller ORs the second electrode control signals to develop an output which enables the first electrodes.

REFERENCES:
patent: 4160257 (1979-07-01), Carrish
patent: 4628227 (1986-12-01), Briere
patent: 4719481 (1988-01-01), Tuan et al.
patent: 4841313 (1989-06-01), Weiner
patent: 4891656 (1990-01-01), Kubelik

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