Two-color electrostatic printing apparatus

Details Two-color electrostatic printing apparatus Two-color electrostatic printing apparatus

1977-03-28

1979-04-03

Lucas, Jay P.

Recorders

Electric recording

Electrochemical

346154, G03G 1502

Patent

active

041480430

ABSTRACT:
A two-color electrostatic printing apparatus capable of producing two-color images printed on a sheet of paper with two colored toners. The apparatus comprises a paper feed mechanism for driving the paper at a predetermined speed, a charging part for selectively forming positive and negative electrostatic latent images on the paper, a developing part for attracting positive-charged and negative-charged two colored toners simultaneously onto the latent images so as to render the latent images visible, and a fixing part for thermally fusing the toners attracted onto the electrostatic latent images.

REFERENCES:
patent: 3045644 (1962-07-01), Schwertz
patent: 3069681 (1962-12-01), Sloan
patent: 3094429 (1963-06-01), Howell
patent: 3430254 (1969-02-01), Schwertz
patent: 3480963 (1969-11-01), Stowell

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