Ink jet recording apparatus with trial run at side

Details Ink jet recording apparatus with trial run at side Ink jet recording apparatus with trial run at side

1979-03-23

1980-07-29

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1518

Patent

active

042153530

ABSTRACT:
An ink jet recording apparatus which effects nonimpact recording by the application of a jet of ink to a recording medium while the amount of ink to be jetted towards the recording medium is controlled to render it proportional to the recording velocity. For this purpose, the ink jet recording apparatus is provided with a feed-back loop system through which an electrical signal indicative of the pressure acting on the ink within an ink tank is fed back to a comparator to control operation of a compressed air source from which the pressure is applied to compensate for reduction in static pressure of the ink within the ink tank resulting from consumption of the ink. For maintaining the amount of the ink jetted proportional to the recording velocity, various arrangements are disclosed.

REFERENCES:
patent: 3945020 (1976-03-01), Kraus et al.
patent: 3968498 (1976-07-01), Uchiyama

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