Image input device and a method of correcting input signals of t

Details Image input device and a method of correcting input signals of t Image input device and a method of correcting input signals of t

1986-03-20

1987-09-01

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358284, 382 50, H04N 140

Patent

active

046912401

ABSTRACT:
Reference data for correction are obtained by performing main scanning of a reference plane by a photosensor in a defocusing manner through a lens system, to be stored in memories. Image data of the original read by the photosensor through the lens system are corrected through the reference data for correction stored in the memories. Thus, the original can be read in high fidelity.

REFERENCES:
patent: 4520395 (1985-05-01), Abe
patent: 4554593 (1985-11-01), Fox et al.
patent: 4578711 (1986-03-01), White et al.
patent: 4578715 (1986-03-01), Yamaguchi
patent: 4589034 (1986-05-01), Yokomizo
patent: 4601058 (1986-07-01), Seto

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