Method and apparatus for positioning a scanning starting...

Details Method and apparatus for positioning a scanning starting... Method and apparatus for positioning a scanning starting...

2005-08-30

2005-08-30

Coles, Edward (Department: 2622)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S497000, C358S488000, C358S482000, C358S483000, C358S406000, C358S494000, C358S504000, C358S506000

Reexamination Certificate

active

06937369

ABSTRACT:
An apparatus for positioning a scanning starting point of an image scanning apparatus includes a platen, carriage, and a number of marks. The X-Y coordinate system defined by the platen has an X-axis defined by a first wide margin of the platen and a Y-axis defined by a first long margin of the platen. The carriage moves along the Y direction. The marks inside the image scanning apparatus indicate different Y coordinate values. The method for positioning a scanning starting point of an image scanning apparatus is as follows: the nearest mark to the document to be scanned is first chosen as a reference point. The vector from an image starting point of the document to be scanned to the reference point is then obtained. The carriage finally moves to the reference point chosen as a starting point and proceeds to scan.

REFERENCES:
patent: 6229629 (2001-05-01), Tsai
patent: 6392762 (2002-05-01), Tsai et al.

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