Image reading apparatus which corrects for a reading error cause

Details Image reading apparatus which corrects for a reading error cause Image reading apparatus which corrects for a reading error cause

1987-12-16

1990-02-06

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 77, 358483, 358494, H04N 1393, H04N 1028, H04N 110, H04N 112

Patent

active

048992267

ABSTRACT:
An image reading apparatus which has position deviated line sensors. The line sensors are formed by charge coupled devices which are arranged in two staggered rows. The signal from one of the charge coupled devices is delayed for a predetermined period corresponding to the distance between the rows, the speed of scanning and the reading density of the original. An actual timing deviation is calculated to delay one signal relative to the other so that the two signals will be output at the same time.

REFERENCES:
patent: 4146786 (1979-03-01), Agulnek
patent: 4149090 (1979-04-01), Agulnek
patent: 4149091 (1979-04-01), Crean et al.
patent: 4532551 (1985-07-01), Kurata et al.
patent: 4691114 (1987-09-01), Hasegawa et al.
patent: 4734787 (1988-03-01), Hayashi
patent: 4742240 (1988-05-01), Yamanishi et al.
patent: 4750048 (1988-06-01), Satoh et al.

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