Ink mist type high speed printer

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

1974-11-22

1976-06-15

Oechsle, Anton O.

Printing

Embossing or penetrating

Special-article machines

101DIG13, 346 75, G01D 1516

Patent

active

039629694

ABSTRACT:
A conductive protection board for protecting an aperture board from dust is mounted 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. If an aperture of said aperture board is obstructed, a portion of the printed character will not be evident. In order to avoid the obstruction of an aperture the conductive protection board which has a plurality of apertures, each of which corresponds to each aperture of the aperture board, is placed very close to said aperture board.

REFERENCES:
patent: 2577894 (1951-12-01), Jacob
patent: 2676868 (1954-04-01), Jacob
patent: 3177800 (1965-04-01), Welsh
patent: 3273496 (1966-09-01), Melmon
patent: 3653065 (1972-03-01), Brown
patent: 3769627 (1973-10-01), Stone
patent: 3779166 (1973-12-01), Pressman et al.
patent: 3832719 (1974-08-01), Meier et al.

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