Image forming apparatus having a high .gamma. photoreceptor

Details Image forming apparatus having a high .gamma. photoreceptor Image forming apparatus having a high .gamma. photoreceptor

1991-04-09

1993-10-19

Reinhart, Mark J.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

H04N 121

Patent

active

052550141

ABSTRACT:
The invention provides an apparatus for forming an image in which there is provided a photoreceptor includes an imaging surface for forming an electrostatic latent image thereon in response to an exposure light The photoreceptor has a light decay characteristic so that the potential of the imaging surface is not decayed in an initial period of exposure and the potential of the imaging surface is sharply decayed in a middle period of exposure. A laser beam generator is used for scanning and exposing the imaging surface with a laser beam to write the latent image on the imaging surface. A generator drive circuit includes a signal generator for generating a reference wave signal and is adapted to receive an image density signal, to modulate the image density signal on the basis of the reference wave signal and to drive the laser beam generator in accordance with the modulated image density signal.

REFERENCES:
patent: 5017944 (1991-05-01), Kitamura et al.
patent: 5025272 (1991-06-01), Haneda et al.

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