Method and apparatus for controlling the electric charge on drop

Details Method and apparatus for controlling the electric charge on drop Method and apparatus for controlling the electric charge on drop

1980-12-02

1982-08-24

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, 118624, G01D 1518

Patent

active

043463878

ABSTRACT:
Method and apparatus for controlling the electric charge on droplets formed by the breaking up of a pressurized liquid stream at a drop formation point located within an electric field. The field is provided to have an electric potential gradient and means are provided to effect drop formation at a point in the field corresponding to the desired predetermined charge to be placed on the droplets at the point of their formation. The location of the drop formation point within the charging field may be controlled by one or more signals applied to various components of the apparatus. The method and apparatus are particularly suited to ink-jet recording systems.

REFERENCES:
patent: 3060429 (1962-10-01), Winston
patent: 3579245 (1971-05-01), Berry
patent: 3769625 (1973-10-01), Gunn
patent: 4231047 (1980-10-01), Iwasaki

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