Electronic copying machine

Details Electronic copying machine Electronic copying machine

1991-10-28

1993-06-15

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Image reproduction system

358474, H04N 140, H04N 104

Patent

active

052204367

ABSTRACT:
An electronic copying machine for making a hard copy of a remote surface has a taking lens for forming an image of the remote surface and an image sensor which scans the image to provide video signals. The electronic copying machine is provided with a scanning area projecting device for projecting a frame onto the remote surface which defines an area of the image of the remote surface to be scanned. The scanning area projecting device comprises a frame slit plate formed with a plurality of frame slits for forming different sizes of slit frame images, a masking plate for selectively masking the frame slits and a source of illumination for illuminating the slit plate so as to project onto the remote surface a frame image of a size selected by the masking plate.

REFERENCES:
patent: 4626925 (1986-12-01), Toyoda
patent: 4736251 (1988-04-01), Sasaoko
patent: 4807041 (1989-02-01), Kishi et al.
patent: 4812913 (1989-03-01), Knop et al.
patent: 4907091 (1990-03-01), Yoshida et al.
patent: 4939588 (1990-07-01), Ushiro et al.
patent: 5067028 (1991-11-01), Ogura et al.

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