Ink jet stimulation monitoring

Details Ink jet stimulation monitoring Ink jet stimulation monitoring

1993-05-12

1995-01-24

Miller, Jr., George H.

Incremental printing of symbolic information

Ink jet

Controller

B41J 2025

Patent

active

053845838

ABSTRACT:
An ink jet printing device has a drop generator for producing continuous streams of ink drops from at least one orifice and further has stimulation control electronics for maintaining desired stimulation conditions in response to a feedback from the drop generator. First and second feedback transducers measure the stimulation amplitude in the drop generator and generate feedback output signals in response to the stimulation. The feedback output signals are approximately equal in magnitude and opposite in sign to each other when the stimulation amplitude in the drop generator is a desired stimulation mode. An amplifier, whose inputs are the feedback output signals, provides an amplifier output signal to the stimulation control electronics which is the difference between the two feedback output signals.

REFERENCES:
patent: 4473830 (1984-09-01), Piatt et al.
patent: 4631549 (1986-12-01), Braun et al.
patent: 4897666 (1990-01-01), Katerberg et al.

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