US 7,394,578 B2
Facsimile device reading lines of image data divisively in a sub-scanning direction
Nobuhiro Itoh, Saitama (Japan)
Assigned to Ricoh Company, Ltd., Tokyo (Japan)
Filed on Jan. 21, 2002, as Appl. No. 10/54,147.
Claims priority of application No. 2001-014980 (JP), filed on Jan. 23, 2001.
Prior Publication US 2002/0097443 A1, Jul. 25, 2002
Int. Cl. H04N 1/04 (2006.01)
U.S. Cl. 358—474  [358/539; 358/540; 358/450; 358/426.07; 358/442; 382/284; 382/199; 382/217] 12 Claims
OG exemplary drawing
 
1. A facsimile device comprising:
inputting means including scanner means to scan a large-sized subject copy having a size larger than A3-size and generate large-sized copy image data based on the scanning of said subject copy;
dividing means for automatically dividing in a sub-scanning direction said large-sized copy image data of said subject copy of the size larger than the A3-size into a plurality of read areas according to a specified overlapping width, each read area including divisional lines of data having a predetermined width;
image rotating means for performing an image rotation with respect to each of said divisional lines of data so as to supply rotated divisional lines;
encoding means for encoding each of said rotated divisional lines into encoded data; and
outputting means for outputting said encoded data.