Electronic copying machine having a line sensor in which the cha

Details Electronic copying machine having a line sensor in which the cha Electronic copying machine having a line sensor in which the cha

1990-04-02

1990-12-25

Reynolds, Bruce A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821319, 358483, 358494, 346 76PH, H04N 1028, H04N 315, H04N 5335, B41J 232, G01D 1510

Patent

active

049807765

ABSTRACT:
An electronic copying machine has an image line sensor whose charge storage time is controlled individually for each line of the image such that the charge storage time for the next line is determined according to the average detected brightness of the line immediately preceding that next line, based on the image signals thereof.

REFERENCES:
patent: 4471228 (1984-09-01), Nishizawa
patent: 4634885 (1987-01-01), Inoue
patent: 4635126 (1987-01-01), Kinoshita
patent: 4651226 (1987-03-01), Motoori
patent: 4809061 (1989-02-01), Suzuki
patent: 4839735 (1989-06-01), Kyomasu
patent: 4843474 (1989-06-01), Suzuki
patent: 4890166 (1989-12-01), Kimura

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