Color image forming apparatus with plural photoconductor drums

Details Color image forming apparatus with plural photoconductor drums Color image forming apparatus with plural photoconductor drums

1993-02-19

1994-11-15

Miller, Jr., George H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346157, 346160, G01D 942, G01D 1514, G03G 1501

Patent

active

053652584

ABSTRACT:
A color image forming apparatus with plural photoconductor drums has a plurality of color image forming arrangements, each arrangement includes an image signal processor for processing an image signal for one of black, cyan, magenta and yellow, and for producing a modulated image signal, a semiconductor laser diode for emitting laser beam in accordance with the modulated image signal, a scanning device for scanning the laser beams on a photoconductor surface. The laser beam passes through a slit or an elongated opening provided between the semiconductor laser diode and the photoconductor surface for reforming the laser beam to have a cross-section shape of an ellipse with its short axis parallel to the laser scanning direction.

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patent: 5191361 (1993-03-01), Abe
patent: 5241400 (1993-08-01), Itagaki

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