Ink mist type high speed printer

Details Ink mist type high speed printer Ink mist type high speed printer

1974-12-03

1977-03-22

Fisher, J. Reed

Printing

Embossing or penetrating

Special-article machines

101DIG13, 346153, G03G 1504

Patent

active

040130045

ABSTRACT:
A conductive shield board for protecting an aperture board from discharge is mounted between a positive electrode and said aperture board in an ink mist type high speed printer.
The ink mist type printer operates on the principle that an ion stream modulated by an aperture board according to the pattern of the character to be printed, charges the ink mist, which is then attracted by an electric field, to the surface of the paper. However, a high potential on a positive electrode for generating said ion stream sometimes causes an undesirable discharge between the positive electrode and the aperture board.
In order to avoid said undesirable discharge, a conductive shield board is inserted between the positive electrode and the aperture board.

REFERENCES:
patent: 3370212 (1968-02-01), Frank
patent: 3370529 (1968-02-01), Michalchik
patent: 3402658 (1968-09-01), Opdycke
patent: 3521558 (1970-07-01), Fisher et al.
patent: 3625604 (1971-12-01), Pressman
patent: 3647291 (1972-03-01), Pressman
patent: 3689935 (1972-09-01), Pressman
patent: 3779166 (1973-12-01), Pressman

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