Document scan apparatus, imaging forming apparatus having the do

Details Document scan apparatus, imaging forming apparatus having the do Document scan apparatus, imaging forming apparatus having the do

1998-03-23

1999-12-28

Pendegrass, Joan

Electrophotography

Document handling

Original

271 314, 271902, 358496, G03G 1500, B65H 500

Patent

active

06009303&

ABSTRACT:
A document scan apparatus comprises a document scanner unit 1 which scans a document by illuminating the document with light, a feed path 10 which extends from a document stack portion 4 to a document discharge portion 8 through the document scan portion 7 of the document scan unit 1, driving units 15, 16, 17, 18, 19 and 20 which drive the document on the document path and document size detection units 23 and 24. The document size detection units 23 and 24 detect the document size during the document is carried by the driving units 15, 16, 17, 18, 19 and 20. Then, the documents 4 are fed to the document scan position 7 without passing the document discharge portion 8.

REFERENCES:
patent: 4445682 (1984-05-01), Uchida
patent: 4739369 (1988-04-01), Yoshiura et al.
patent: 4791451 (1988-12-01), Hirose et al.
patent: 4972235 (1990-11-01), Iwamoto et al.

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