Image forming apparatus for selective copying of segmented areas

Details Image forming apparatus for selective copying of segmented areas Image forming apparatus for selective copying of segmented areas

1988-01-26

1989-12-19

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355218, 355244, G03G 1500

Patent

active

048886157

ABSTRACT:
An image forming apparatus having an original exposure device for exposing an original in a predetermined exposure area, a specific area designating device for selectively designating a specific area to be edited having a certain size in the exposure area, the specific area including a plurality of sectional blocks, a sectional block designating device for designating at least one desired sectional block from the plurality of blocks, and an image forming device for erasing an image of the original corresponding to the designated sectional block inside the specific area and reproducing the rest of the original image. As each of the designated specific area includes the same number of the sectional blocks, a convenient block size may be obtained by selecting the specific areas having different sizes. Also, it may be conveniently selected whether to copy or erase the original image outside the selected specific area.

REFERENCES:
patent: 4017173 (1977-04-01), Komori et al.
patent: 4068948 (1978-01-01), Ritzerfeld
patent: 4256400 (1981-03-01), Komori et al.
patent: 4582417 (1986-04-01), Yagasaki et al.
patent: 4627707 (1986-12-01), Tani et al.
patent: 4653899 (1987-03-01), Watanabe
patent: 4740818 (1988-04-01), Tsilibes et al.
patent: 4752809 (1988-06-01), Ito

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