Image reading apparatus with image magnification and scanning sp

Details Image reading apparatus with image magnification and scanning sp Image reading apparatus with image magnification and scanning sp

1996-03-18

1996-10-22

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358487, 358494, H04N 1393, H04N 1047

Patent

active

055682731

ABSTRACT:
An image reading apparatus comprises a light source for illuminating an image of a document sheet, an image pickup element for photo-electrically converting a light from said document sheet image, a display unit for displaying said document sheet image, an input unit for inputting an instruction to extract a desired area of said document sheet image, and an adjusting unit for adjusting a focus of an optical member for directing a light image from said document sheet image to said image pickup element. The adjusting unit adjusts the focus of said optical member when said input unit inputs the extraction instruction, and said display unit thereafter displays said document sheet image.

REFERENCES:
patent: 4751376 (1988-06-01), Sugiura et al.
patent: 4833544 (1989-05-01), Sato et al.
patent: 4922087 (1990-05-01), Nakajima et al.
patent: 5173789 (1992-12-01), Renner et al.
patent: 5276534 (1994-01-01), Mutze et al.

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