Image forming apparatus

Details Image forming apparatus Image forming apparatus

1995-05-04

1997-12-16

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 35, G03B 2772, G03B 2780

Patent

active

056991444

ABSTRACT:
An image forming apparatus has a scan exposure unit for performing a slit scan exposure on a light-sensitive material, a line sensor that is provided in an optical path branching from the optical path of slit exposing light and that reads the original image prior to the slit scan exposure of the light-sensitive material, a memory for storing image signals, a monitor for displaying a monitor image using the stored image signals, a device for designating the principal area of the original image from the monitor image, and an exposure computing unit for computing the conditions for proper exposure using both the information on the principal area and the image signals stored in said memory.

REFERENCES:
patent: 4589766 (1986-05-01), Fursich et al.
patent: 4984013 (1991-01-01), Terashita
patent: 5053807 (1991-10-01), Uryu
patent: 5053808 (1991-10-01), Takagi
patent: 5063407 (1991-11-01), Takagi
patent: 5162841 (1992-11-01), Terashita
patent: 5400115 (1995-03-01), Muench
Patent Abstracts of Japan, vol. 13, No. 480 (P-952), Oct. 31, 1989, JP-A-01 191129.

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