Photocopying – Contact printing – Light boxes
Patent
1990-04-02
1991-10-08
Moses, R. L.
Photocopying
Contact printing
Light boxes
358 80, 346157, 355218, G03G 1501
Patent
active
050558862
ABSTRACT:
An image forming apparatus which includes an exposing device for projecting light onto an original so as to form an electrostatic latent image of an original image on a photosensitive surface of a photoreceptor, a reading device for reading the original image through separation per predetermined color in a reading picture element unit, a designating device for designating the color to be erased, an erasing device for erasing desired region of the electrostatic latent image on the photosensitive surface of the photoreceptor per erasing picture element unit, a converting device for converting color data in the reading picture element unit into color data in the erasing picture element unit, a display device for displaying the region to be erased based on the color data in the erasing picture element unit, and a control device for controlling the erasing device based on the color data in the erasing picture element unit obtained through conversion of the color designated by the designating device, by the converting device.
REFERENCES:
patent: 4922335 (1990-05-01), Outa et al.
patent: 4954888 (1990-09-01), Fogaroli et al.
Kishi Masamichi
Nakatani Munehiro
Sugawa Hiroya
Minolta Camera Kabushiki Kaisha
Moses R. L.
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