Apparatus for scanning sheet-shaped recording medium

Details Apparatus for scanning sheet-shaped recording medium Apparatus for scanning sheet-shaped recording medium

1984-11-20

1987-12-08

Fields, Carolyn E.

Radiant energy

Automatic/serial detection of similar sources

378173, G03C 516

Patent

active

047120096

ABSTRACT:
An apparatus for scanning a sheet-shaped recording medium comprises a conveyance system provided with a conveying roller and a plurality of nip rollers for conveying the recording medium in co-operation with the conveying roller, and a scanning optical system for scanning the conveyed recording medium by a light beam in a scanning direction normal to the conveyance direction. One of the conveying roller and the nip rollers is fabricated as edge rollers contacting the other of said conveying roller and said nip rollers only near both end portions of the other. The scanning optical system is positioned on the side of the edge rollers.

REFERENCES:
patent: 3967130 (1976-06-01), Decker
patent: 4245835 (1981-01-01), Turner
patent: 4417260 (1983-11-01), Kawai et al.
patent: 4456239 (1984-01-01), Yamaguchi
patent: 4500783 (1985-02-01), Kato

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