Liquid jet recorder

Details Liquid jet recorder Liquid jet recorder

1974-09-30

1976-03-16

Hartary, Joseph W.

Recorders

Record receiver deforming

346140R, G01D 1518, B41J 304

Patent

active

039450210

ABSTRACT:
A liquid jet recorder having at least one jet nozzle which is connected to a pressure means conduit for the ejection of an electrically-conductive recording liquid onto a recording carrier; having at least one control electrode encompassing the liquid jet which is disintegrating into drops, which is formed of porous material which communicates with a suction conduit for the recording liquid; and a signal source adapted to be switched between the control electrode and the liquid jet for charging of the drops so that the latter mutually repel each other and disintegrate into a vapor cloud adapted to be aspirated into the control electrode. The recorder includes a suction pump, including circuitry which will activate the suction pump prior to the commencement of a recording. In the liquid jet recorder, any possible residues of the recording liquid adhering to the control electrode are aspirated prior to commencement of a recording. Thus, any dirtying of the recording carrier by means of such residues is no longer possible. Delay means may be provided in the novel circuitry whereby, after completion of a recording sequence, the residues of the recording liquid on the control electrode are collected so as to prevent the dirtying of the recording carrier.

REFERENCES:
patent: 3416153 (1968-12-01), Hertz et al.
patent: 3673601 (1972-06-01), Hertz

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