Document-reading apparatus and method for the same

Details Document-reading apparatus and method for the same Document-reading apparatus and method for the same

2006-10-31

2006-10-31

Williams, Kimberly (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S486000, C382S312000

Reexamination Certificate

active

07130077

ABSTRACT:
An apparatus for simultaneously reading images on both sides of the document sheet as the sheet having images on both sides is moved through the apparatus, one side read by a CCD sensor and the other side read by a contacted image sensor. An image synthesizing unit synthesizes image data from the CCD sensor and image data from the contacted image within one cycle of main scanning by the two image reading units. Furthermore, image processing circuits in the subsequent steps perform specific modes of processing on the data within one cycle of main scanning. That permits simultaneous reading of both sides of the sheet document without reducing document reading speed and expansion of the image processing unit.

REFERENCES:
patent: 5488485 (1996-01-01), Amemiya
patent: 5579419 (1996-11-01), Yaguchi et al.
patent: 5889596 (1999-03-01), Yaguchi et al.
patent: 6323959 (2001-11-01), Toyama et al.
patent: 11-027444 (1999-01-01), None

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