Flat-bed image reading apparatus

Details Flat-bed image reading apparatus Flat-bed image reading apparatus

1998-01-02

2000-07-25

Nguyen, Madeleine

Image analysis

Image sensing

Hand-held

358488, 358498, G06K 922, H04N 104

Patent

active

060945125

ABSTRACT:
An image reading apparatus that includes an image scanning module in which an image sensor device is provided. The image reading apparatus includes an upper housing and a pattern located on the bottom surface of the upper housing and positioned at a position x with reference to the edge of the opening. The upper housing has a bottom surface and is provided with an opening for mounting a transparent platen adapted for supporting a document to be scanned. The opening defines an edge. Responsive to detection of the pattern by the image sensor device, the image reading apparatus determines the distance required to move by the scanning module to reach a predetermined positioning line.

REFERENCES:
patent: 5467102 (1995-11-01), Kuno et al.
patent: 5786590 (1998-07-01), Lin
patent: 5936747 (1999-08-01), Lin et al.

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